ran isabelle update_op on all sources
authornipkow
Wed, 10 Jan 2018 15:25:09 +0100
changeset 67399 eab6ce8368fa
parent 67398 5eb932e604a2
child 67400 bbed46f40cf5
ran isabelle update_op on all sources
src/Benchmarks/Quickcheck_Benchmark/Needham_Schroeder_Base.thy
src/Benchmarks/Quickcheck_Benchmark/Needham_Schroeder_Guided_Attacker_Example.thy
src/Benchmarks/Quickcheck_Benchmark/Needham_Schroeder_Unguided_Attacker_Example.thy
src/Benchmarks/Record_Benchmark/Record_Benchmark.thy
src/CTT/CTT.thy
src/Doc/Corec/Corec.thy
src/Doc/Datatypes/Datatypes.thy
src/Doc/Eisbach/Preface.thy
src/Doc/How_to_Prove_it/How_to_Prove_it.thy
src/Doc/Isar_Ref/Framework.thy
src/Doc/Isar_Ref/Generic.thy
src/Doc/Isar_Ref/HOL_Specific.thy
src/Doc/Isar_Ref/Proof_Script.thy
src/Doc/Isar_Ref/Symbols.thy
src/Doc/JEdit/JEdit.thy
src/Doc/Locales/Examples1.thy
src/Doc/Locales/Examples2.thy
src/Doc/Main/Main_Doc.thy
src/Doc/Prog_Prove/Basics.thy
src/Doc/Prog_Prove/LaTeXsugar.thy
src/Doc/System/Environment.thy
src/Doc/System/Misc.thy
src/Doc/System/Presentation.thy
src/Doc/Tutorial/Types/Pairs.thy
src/FOL/ex/Locale_Test/Locale_Test1.thy
src/FOLP/IFOLP.thy
src/HOL/Algebra/Complete_Lattice.thy
src/HOL/Algebra/Divisibility.thy
src/HOL/Algebra/Group.thy
src/HOL/Algebra/IntRing.thy
src/HOL/Algebra/Multiplicative_Group.thy
src/HOL/Algebra/Order.thy
src/HOL/Algebra/QuotRing.thy
src/HOL/Algebra/Sylow.thy
src/HOL/Algebra/UnivPoly.thy
src/HOL/Analysis/Ball_Volume.thy
src/HOL/Analysis/Binary_Product_Measure.thy
src/HOL/Analysis/Bochner_Integration.thy
src/HOL/Analysis/Borel_Space.thy
src/HOL/Analysis/Bounded_Linear_Function.thy
src/HOL/Analysis/Brouwer_Fixpoint.thy
src/HOL/Analysis/Cartesian_Euclidean_Space.thy
src/HOL/Analysis/Cauchy_Integral_Theorem.thy
src/HOL/Analysis/Complex_Analysis_Basics.thy
src/HOL/Analysis/Conformal_Mappings.thy
src/HOL/Analysis/Connected.thy
src/HOL/Analysis/Convex_Euclidean_Space.thy
src/HOL/Analysis/Derivative.thy
src/HOL/Analysis/Determinants.thy
src/HOL/Analysis/Embed_Measure.thy
src/HOL/Analysis/Equivalence_Lebesgue_Henstock_Integration.thy
src/HOL/Analysis/Euclidean_Space.thy
src/HOL/Analysis/Finite_Cartesian_Product.thy
src/HOL/Analysis/Finite_Product_Measure.thy
src/HOL/Analysis/Further_Topology.thy
src/HOL/Analysis/Gamma_Function.thy
src/HOL/Analysis/Great_Picard.thy
src/HOL/Analysis/Harmonic_Numbers.thy
src/HOL/Analysis/Henstock_Kurzweil_Integration.thy
src/HOL/Analysis/Homeomorphism.thy
src/HOL/Analysis/Improper_Integral.thy
src/HOL/Analysis/Inner_Product.thy
src/HOL/Analysis/Lebesgue_Measure.thy
src/HOL/Analysis/Linear_Algebra.thy
src/HOL/Analysis/Measure_Space.thy
src/HOL/Analysis/Nonnegative_Lebesgue_Integration.thy
src/HOL/Analysis/Path_Connected.thy
src/HOL/Analysis/Polytope.thy
src/HOL/Analysis/Riemann_Mapping.thy
src/HOL/Analysis/Set_Integral.thy
src/HOL/Analysis/Sigma_Algebra.thy
src/HOL/Analysis/Starlike.thy
src/HOL/Analysis/Tagged_Division.thy
src/HOL/Analysis/Topology_Euclidean_Space.thy
src/HOL/Analysis/ex/Approximations.thy
src/HOL/Analysis/normarith.ML
src/HOL/BNF_Composition.thy
src/HOL/BNF_Def.thy
src/HOL/BNF_Fixpoint_Base.thy
src/HOL/Bali/AxCompl.thy
src/HOL/Bali/AxExample.thy
src/HOL/Bali/AxSem.thy
src/HOL/Bali/State.thy
src/HOL/Basic_BNF_LFPs.thy
src/HOL/Basic_BNFs.thy
src/HOL/Binomial.thy
src/HOL/Cardinals/Bounded_Set.thy
src/HOL/Code_Numeral.thy
src/HOL/Complete_Lattices.thy
src/HOL/Complete_Partial_Order.thy
src/HOL/Computational_Algebra/Euclidean_Algorithm.thy
src/HOL/Computational_Algebra/Formal_Power_Series.thy
src/HOL/Computational_Algebra/Nth_Powers.thy
src/HOL/Computational_Algebra/Polynomial.thy
src/HOL/Computational_Algebra/Polynomial_FPS.thy
src/HOL/Computational_Algebra/Squarefree.thy
src/HOL/Corec_Examples/Tests/GPV_Bare_Bones.thy
src/HOL/Corec_Examples/Tests/Iterate_GPV.thy
src/HOL/Corec_Examples/Tests/Misc_Mono.thy
src/HOL/Data_Structures/Base_FDS.thy
src/HOL/Data_Structures/Binomial_Heap.thy
src/HOL/Data_Structures/Sorted_Less.thy
src/HOL/Datatype_Examples/Derivation_Trees/DTree.thy
src/HOL/Datatype_Examples/Derivation_Trees/Parallel_Composition.thy
src/HOL/Datatype_Examples/Stream_Processor.thy
src/HOL/Decision_Procs/Algebra_Aux.thy
src/HOL/Decision_Procs/Cooper.thy
src/HOL/Decision_Procs/Ferrack.thy
src/HOL/Decision_Procs/MIR.thy
src/HOL/Decision_Procs/Parametric_Ferrante_Rackoff.thy
src/HOL/Decision_Procs/Polynomial_List.thy
src/HOL/Decision_Procs/approximation.ML
src/HOL/Decision_Procs/langford.ML
src/HOL/Deriv.thy
src/HOL/Enum.thy
src/HOL/Equiv_Relations.thy
src/HOL/Factorial.thy
src/HOL/Filter.thy
src/HOL/Fun.thy
src/HOL/GCD.thy
src/HOL/Groups_List.thy
src/HOL/HOL.thy
src/HOL/HOLCF/Cpodef.thy
src/HOL/HOLCF/Discrete.thy
src/HOL/HOLCF/Domain.thy
src/HOL/HOLCF/Fun_Cpo.thy
src/HOL/HOLCF/Library/List_Cpo.thy
src/HOL/HOLCF/Product_Cpo.thy
src/HOL/HOLCF/Universal.thy
src/HOL/HOLCF/Up.thy
src/HOL/IMP/Abs_Int2_ivl.thy
src/HOL/IMP/Abs_Int3.thy
src/HOL/IMP/Abs_State.thy
src/HOL/IMP/Collecting.thy
src/HOL/IMP/Compiler2.thy
src/HOL/Imperative_HOL/Heap_Monad.thy
src/HOL/Import/HOL_Light_Maps.thy
src/HOL/Int.thy
src/HOL/Lattices.thy
src/HOL/Library/BNF_Corec.thy
src/HOL/Library/Cancellation.thy
src/HOL/Library/Cardinality.thy
src/HOL/Library/Char_ord.thy
src/HOL/Library/Code_Real_Approx_By_Float.thy
src/HOL/Library/Complete_Partial_Order2.thy
src/HOL/Library/Conditional_Parametricity.thy
src/HOL/Library/Countable.thy
src/HOL/Library/Countable_Set.thy
src/HOL/Library/Countable_Set_Type.thy
src/HOL/Library/DAList_Multiset.thy
src/HOL/Library/Diagonal_Subsequence.thy
src/HOL/Library/Discrete.thy
src/HOL/Library/Disjoint_Sets.thy
src/HOL/Library/Dlist.thy
src/HOL/Library/Extended_Nonnegative_Real.thy
src/HOL/Library/FSet.thy
src/HOL/Library/Finite_Map.thy
src/HOL/Library/Float.thy
src/HOL/Library/LaTeXsugar.thy
src/HOL/Library/Linear_Temporal_Logic_on_Streams.thy
src/HOL/Library/ListVector.thy
src/HOL/Library/Mapping.thy
src/HOL/Library/More_List.thy
src/HOL/Library/Multiset_Permutations.thy
src/HOL/Library/Nat_Bijection.thy
src/HOL/Library/Numeral_Type.thy
src/HOL/Library/Open_State_Syntax.thy
src/HOL/Library/Pattern_Aliases.thy
src/HOL/Library/Perm.thy
src/HOL/Library/Permutations.thy
src/HOL/Library/Predicate_Compile_Alternative_Defs.thy
src/HOL/Library/Quotient_List.thy
src/HOL/Library/Quotient_Product.thy
src/HOL/Library/Quotient_Set.thy
src/HOL/Library/Quotient_Sum.thy
src/HOL/Library/RBT_Set.thy
src/HOL/Library/State_Monad.thy
src/HOL/Library/Stream.thy
src/HOL/Library/Sublist.thy
src/HOL/Library/Subseq_Order.thy
src/HOL/Library/Sum_of_Squares/sum_of_squares.ML
src/HOL/Library/Tree.thy
src/HOL/Library/Tree_Real.thy
src/HOL/Library/Uprod.thy
src/HOL/Library/conditional_parametricity.ML
src/HOL/Library/positivstellensatz.ML
src/HOL/Library/refute.ML
src/HOL/Lifting.thy
src/HOL/Lifting_Set.thy
src/HOL/Limits.thy
src/HOL/List.thy
src/HOL/Matrix_LP/Cplex_tools.ML
src/HOL/Matrix_LP/Matrix.thy
src/HOL/Metis_Examples/Abstraction.thy
src/HOL/Metis_Examples/Proxies.thy
src/HOL/MicroJava/BV/BVExample.thy
src/HOL/MicroJava/BV/Typing_Framework_JVM.thy
src/HOL/MicroJava/DFA/Listn.thy
src/HOL/Mirabelle/Tools/mirabelle_quickcheck.ML
src/HOL/Mirabelle/Tools/mirabelle_sledgehammer.ML
src/HOL/NanoJava/Equivalence.thy
src/HOL/Nat.thy
src/HOL/Nitpick.thy
src/HOL/Nitpick_Examples/Core_Nits.thy
src/HOL/Nitpick_Examples/Manual_Nits.thy
src/HOL/Nitpick_Examples/Mini_Nits.thy
src/HOL/Nitpick_Examples/Mono_Nits.thy
src/HOL/Nitpick_Examples/Refute_Nits.thy
src/HOL/Nominal/Examples/Standardization.thy
src/HOL/Nominal/nominal_datatype.ML
src/HOL/Nominal/nominal_inductive.ML
src/HOL/Nominal/nominal_inductive2.ML
src/HOL/Nonstandard_Analysis/Free_Ultrafilter.thy
src/HOL/Nonstandard_Analysis/HDeriv.thy
src/HOL/Nonstandard_Analysis/HLog.thy
src/HOL/Nonstandard_Analysis/HyperDef.thy
src/HOL/Nonstandard_Analysis/NatStar.thy
src/HOL/Nonstandard_Analysis/StarDef.thy
src/HOL/Num.thy
src/HOL/Number_Theory/Gauss.thy
src/HOL/Number_Theory/Pocklington.thy
src/HOL/Number_Theory/Totient.thy
src/HOL/Option.thy
src/HOL/Partial_Function.thy
src/HOL/Predicate.thy
src/HOL/Predicate_Compile_Examples/Hotel_Example_Prolog.thy
src/HOL/Predicate_Compile_Examples/Hotel_Example_Small_Generator.thy
src/HOL/Predicate_Compile_Examples/Predicate_Compile_Tests.thy
src/HOL/Probability/Distributions.thy
src/HOL/Probability/Fin_Map.thy
src/HOL/Probability/Giry_Monad.thy
src/HOL/Probability/Helly_Selection.thy
src/HOL/Probability/Independent_Family.thy
src/HOL/Probability/Infinite_Product_Measure.thy
src/HOL/Probability/PMF_Impl.thy
src/HOL/Probability/Probability_Mass_Function.thy
src/HOL/Probability/Probability_Measure.thy
src/HOL/Probability/Projective_Limit.thy
src/HOL/Probability/Random_Permutations.thy
src/HOL/Probability/SPMF.thy
src/HOL/Probability/Stream_Space.thy
src/HOL/Probability/ex/Dining_Cryptographers.thy
src/HOL/Probability/ex/Koepf_Duermuth_Countermeasure.thy
src/HOL/Probability/ex/Measure_Not_CCC.thy
src/HOL/Prolog/Test.thy
src/HOL/Proofs/Extraction/Higman_Extraction.thy
src/HOL/Proofs/Lambda/ListApplication.thy
src/HOL/Proofs/Lambda/Standardization.thy
src/HOL/Proofs/ex/Proof_Terms.thy
src/HOL/Quickcheck_Examples/Quickcheck_Examples.thy
src/HOL/Quickcheck_Narrowing.thy
src/HOL/Quickcheck_Random.thy
src/HOL/Quotient.thy
src/HOL/Quotient_Examples/Lift_FSet.thy
src/HOL/Quotient_Examples/Lift_Fun.thy
src/HOL/Quotient_Examples/Quotient_FSet.thy
src/HOL/Quotient_Examples/Quotient_Int.thy
src/HOL/Quotient_Examples/Quotient_Rat.thy
src/HOL/Real.thy
src/HOL/Real_Vector_Spaces.thy
src/HOL/Relation.thy
src/HOL/SMT.thy
src/HOL/SMT_Examples/SMT_Examples.thy
src/HOL/SMT_Examples/boogie.ML
src/HOL/SPARK/SPARK.thy
src/HOL/Set_Interval.thy
src/HOL/String.thy
src/HOL/TLA/Intensional.thy
src/HOL/TPTP/TPTP_Parser/tptp_reconstruct_library.ML
src/HOL/TPTP/TPTP_Proof_Reconstruction.thy
src/HOL/TPTP/TPTP_Proof_Reconstruction_Test.thy
src/HOL/TPTP/TPTP_Proof_Reconstruction_Test_Units.thy
src/HOL/Tools/ATP/atp_problem.ML
src/HOL/Tools/ATP/atp_problem_generate.ML
src/HOL/Tools/BNF/bnf_def_tactics.ML
src/HOL/Tools/BNF/bnf_fp_def_sugar_tactics.ML
src/HOL/Tools/BNF/bnf_fp_n2m_tactics.ML
src/HOL/Tools/BNF/bnf_fp_util_tactics.ML
src/HOL/Tools/BNF/bnf_gfp.ML
src/HOL/Tools/BNF/bnf_gfp_tactics.ML
src/HOL/Tools/BNF/bnf_lfp.ML
src/HOL/Tools/BNF/bnf_lfp_tactics.ML
src/HOL/Tools/Ctr_Sugar/ctr_sugar.ML
src/HOL/Tools/Lifting/lifting_info.ML
src/HOL/Tools/Nitpick/nitpick_commands.ML
src/HOL/Tools/Nitpick/nitpick_mono.ML
src/HOL/Tools/Nunchaku/nunchaku_collect.ML
src/HOL/Tools/Nunchaku/nunchaku_commands.ML
src/HOL/Tools/Nunchaku/nunchaku_reconstruct.ML
src/HOL/Tools/Predicate_Compile/code_prolog.ML
src/HOL/Tools/Predicate_Compile/core_data.ML
src/HOL/Tools/Predicate_Compile/predicate_compile_aux.ML
src/HOL/Tools/Qelim/cooper.ML
src/HOL/Tools/SMT/smt_systems.ML
src/HOL/Tools/SMT/smtlib.ML
src/HOL/Tools/SMT/smtlib_interface.ML
src/HOL/Tools/Sledgehammer/sledgehammer_commands.ML
src/HOL/Tools/Sledgehammer/sledgehammer_isar_proof.ML
src/HOL/Tools/Transfer/transfer.ML
src/HOL/Tools/datatype_realizer.ML
src/HOL/Tools/functor.ML
src/HOL/Tools/groebner.ML
src/HOL/Tools/rewrite_hol_proof.ML
src/HOL/Tools/sat_solver.ML
src/HOL/Tools/semiring_normalizer.ML
src/HOL/Tools/set_comprehension_pointfree.ML
src/HOL/Transcendental.thy
src/HOL/Transfer.thy
src/HOL/Transitive_Closure.thy
src/HOL/Types_To_Sets/Examples/Finite.thy
src/HOL/Types_To_Sets/Examples/T2_Spaces.thy
src/HOL/Wellfounded.thy
src/HOL/Word/Bool_List_Representation.thy
src/HOL/Word/Misc_Typedef.thy
src/HOL/Word/Word.thy
src/HOL/Word/WordBitwise.thy
src/HOL/Zorn.thy
src/HOL/ex/Ballot.thy
src/HOL/ex/Coercion_Examples.thy
src/HOL/ex/Conditional_Parametricity_Examples.thy
src/HOL/ex/Erdoes_Szekeres.thy
src/HOL/ex/LocaleTest2.thy
src/HOL/ex/Refute_Examples.thy
src/HOL/ex/Transfer_Debug.thy
src/HOL/ex/Transfer_Int_Nat.thy
src/HOL/ex/While_Combinator_Example.thy
src/ZF/Constructible/Rank.thy
src/ZF/Constructible/Rank_Separation.thy
src/ZF/Induct/FoldSet.thy
src/ZF/Order.thy
src/ZF/Perm.thy
src/ZF/UNITY/Follows.thy
src/ZF/UNITY/Monotonicity.thy
src/ZF/UNITY/MultisetSum.thy
src/ZF/UNITY/Mutex.thy
src/ZF/ex/Limit.thy
--- a/src/Benchmarks/Quickcheck_Benchmark/Needham_Schroeder_Base.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Benchmarks/Quickcheck_Benchmark/Needham_Schroeder_Base.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -193,4 +193,4 @@
 setup Exhaustive_Generators.setup_exhaustive_datatype_interpretation
 declare [[quickcheck_full_support = false]]
 
-end
\ No newline at end of file
+end
--- a/src/Benchmarks/Quickcheck_Benchmark/Needham_Schroeder_Guided_Attacker_Example.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Benchmarks/Quickcheck_Benchmark/Needham_Schroeder_Guided_Attacker_Example.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -97,4 +97,4 @@
     done
 qed
 
-end
\ No newline at end of file
+end
--- a/src/Benchmarks/Quickcheck_Benchmark/Needham_Schroeder_Unguided_Attacker_Example.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Benchmarks/Quickcheck_Benchmark/Needham_Schroeder_Unguided_Attacker_Example.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -93,4 +93,4 @@
     done
 qed
 
-end
\ No newline at end of file
+end
--- a/src/Benchmarks/Record_Benchmark/Record_Benchmark.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Benchmarks/Record_Benchmark/Record_Benchmark.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -424,4 +424,4 @@
 
 print_record many_B
 
-end
\ No newline at end of file
+end
--- a/src/CTT/CTT.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/CTT/CTT.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -434,7 +434,7 @@
 
 (*0 subgoals vs 1 or more*)
 val (safe0_brls, safep_brls) =
-    List.partition (curry (op =) 0 o subgoals_of_brl) safe_brls
+    List.partition (curry (=) 0 o subgoals_of_brl) safe_brls
 
 fun safestep_tac ctxt thms i =
     form_tac ctxt ORELSE
--- a/src/Doc/Corec/Corec.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Corec/Corec.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -280,7 +280,7 @@
 @{command corec}, @{command corecursive}, and @{command friend_of_corec}. In
 particular, nesting through the function type can be expressed using
 @{text \<lambda>}-abstractions and function applications rather than through composition
-(@{term "op \<circ>"}, the map function for @{text \<Rightarrow>}). For example:
+(@{term "(\<circ>)"}, the map function for @{text \<Rightarrow>}). For example:
 \<close>
 
     codatatype 'a language =
@@ -892,7 +892,7 @@
 
 text \<open>
 The @{method transfer_prover_eq} proof method replaces the equality relation
-@{term "op ="} with compound relator expressions according to
+@{term "(=)"} with compound relator expressions according to
 @{thm [source] relator_eq} before calling @{method transfer_prover} on the
 current subgoal. It tends to work better than plain @{method transfer_prover} on
 the parametricity proof obligations of @{command corecursive} and
--- a/src/Doc/Datatypes/Datatypes.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Datatypes/Datatypes.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1410,7 +1410,7 @@
 \noindent
 The same principle applies for arbitrary type constructors through which
 recursion is possible. Notably, the map function for the function type
-(@{text \<Rightarrow>}) is simply composition (@{text "op \<circ>"}):
+(@{text \<Rightarrow>}) is simply composition (@{text "(\<circ>)"}):
 \<close>
 
     primrec (*<*)(in early) (*>*)relabel_ft :: "('a \<Rightarrow> 'a) \<Rightarrow> 'a ftree \<Rightarrow> 'a ftree" where
@@ -1436,7 +1436,7 @@
 text \<open>
 \noindent
 For recursion through curried $n$-ary functions, $n$ applications of
-@{term "op \<circ>"} are necessary. The examples below illustrate the case where
+@{term "(\<circ>)"} are necessary. The examples below illustrate the case where
 $n = 2$:
 \<close>
 
@@ -1446,7 +1446,7 @@
 
     primrec (*<*)(in early) (*>*)relabel_ft2 :: "('a \<Rightarrow> 'a) \<Rightarrow> 'a ftree2 \<Rightarrow> 'a ftree2" where
       "relabel_ft2 f (FTLeaf2 x) = FTLeaf2 (f x)"
-    | "relabel_ft2 f (FTNode2 g) = FTNode2 (op \<circ> (op \<circ> (relabel_ft2 f)) g)"
+    | "relabel_ft2 f (FTNode2 g) = FTNode2 ((\<circ>) ((\<circ>) (relabel_ft2 f)) g)"
 
 text \<open>\blankline\<close>
 
@@ -2264,7 +2264,7 @@
 text \<open>
 \noindent
 The map function for the function type (@{text \<Rightarrow>}) is composition
-(@{text "op \<circ>"}). For convenience, corecursion through functions can
+(@{text "(\<circ>)"}). For convenience, corecursion through functions can
 also be expressed using $\lambda$-abstractions and function application rather
 than through composition. For example:
 \<close>
@@ -2291,7 +2291,7 @@
 text \<open>
 \noindent
 For recursion through curried $n$-ary functions, $n$ applications of
-@{term "op \<circ>"} are necessary. The examples below illustrate the case where
+@{term "(\<circ>)"} are necessary. The examples below illustrate the case where
 $n = 2$:
 \<close>
 
@@ -2303,7 +2303,7 @@
     primcorec
       (*<*)(in early) (*>*)sm2_of_dfa :: "('q \<Rightarrow> 'a \<Rightarrow> 'b \<Rightarrow> 'q) \<Rightarrow> 'q set \<Rightarrow> 'q \<Rightarrow> ('a, 'b) sm2"
     where
-      "sm2_of_dfa \<delta> F q = SM2 (q \<in> F) (op \<circ> (op \<circ> (sm2_of_dfa \<delta> F)) (\<delta> q))"
+      "sm2_of_dfa \<delta> F q = SM2 (q \<in> F) ((\<circ>) ((\<circ>) (sm2_of_dfa \<delta> F)) (\<delta> q))"
 
 text \<open>\blankline\<close>
 
@@ -2782,7 +2782,7 @@
 
 text \<open>\blankline\<close>
 
-    lift_definition map_fn :: "('a \<Rightarrow> 'b) \<Rightarrow> ('d, 'a) fn \<Rightarrow> ('d, 'b) fn" is "op \<circ>" .
+    lift_definition map_fn :: "('a \<Rightarrow> 'b) \<Rightarrow> ('d, 'a) fn \<Rightarrow> ('d, 'b) fn" is "(\<circ>)" .
     lift_definition set_fn :: "('d, 'a) fn \<Rightarrow> 'a set" is range .
 
 text \<open>\blankline\<close>
@@ -2795,7 +2795,7 @@
     lift_definition
       rel_fn :: "('a \<Rightarrow> 'b \<Rightarrow> bool) \<Rightarrow> ('d, 'a) fn \<Rightarrow> ('d, 'b) fn \<Rightarrow> bool"
     is
-      "rel_fun (op =)" .
+      "rel_fun (=)" .
 
 text \<open>\blankline\<close>
 
@@ -2819,7 +2819,7 @@
         by transfer auto
     next
       fix f :: "'a \<Rightarrow> 'b"
-      show "set_fn \<circ> map_fn f = op ` f \<circ> set_fn"
+      show "set_fn \<circ> map_fn f = (`) f \<circ> set_fn"
         by transfer (auto simp add: comp_def)
     next
       show "card_order (natLeq +c |UNIV :: 'd set| )"
--- a/src/Doc/Eisbach/Preface.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Eisbach/Preface.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -33,4 +33,4 @@
   with existing Isar concepts such as @{command named_theorems}.
 \<close>
 
-end
\ No newline at end of file
+end
--- a/src/Doc/How_to_Prove_it/How_to_Prove_it.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/How_to_Prove_it/How_to_Prove_it.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -131,4 +131,4 @@
 
 (*<*)
 end
-(*>*)
\ No newline at end of file
+(*>*)
--- a/src/Doc/Isar_Ref/Framework.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Isar_Ref/Framework.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1028,4 +1028,4 @@
   ..\<close>''.
 \<close>
 
-end
\ No newline at end of file
+end
--- a/src/Doc/Isar_Ref/Generic.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Isar_Ref/Generic.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -387,7 +387,7 @@
 lemma "0 + (x + 0) = x + 0 + 0" apply simp? oops
 
 text \<open>
-  The above attempt \<^emph>\<open>fails\<close>, because @{term "0"} and @{term "op +"} in the
+  The above attempt \<^emph>\<open>fails\<close>, because @{term "0"} and @{term "(+)"} in the
   HOL library are declared as generic type class operations, without stating
   any algebraic laws yet. More specific types are required to get access to
   certain standard simplifications of the theory context, e.g.\ like this:\<close>
--- a/src/Doc/Isar_Ref/HOL_Specific.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Isar_Ref/HOL_Specific.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1452,7 +1452,7 @@
   \<open>Quotient_thm\<close>). Optional theorems \<open>pcr_def\<close> and \<open>pcr_cr_eq_thm\<close> can be
   specified to register the parametrized correspondence relation for \<open>\<tau>\<close>.
   E.g.\ for @{typ "'a dlist"}, \<open>pcr_def\<close> is \<open>pcr_dlist A \<equiv> list_all2 A \<circ>\<circ>
-  cr_dlist\<close> and \<open>pcr_cr_eq_thm\<close> is \<open>pcr_dlist (op =) = (op =)\<close>. This attribute
+  cr_dlist\<close> and \<open>pcr_cr_eq_thm\<close> is \<open>pcr_dlist (=) = (=)\<close>. This attribute
   is rather used for low-level manipulation with set-up of the Lifting package
   because using of the bundle \<open>\<tau>.lifting\<close> together with the commands @{command
   (HOL) lifting_forget} and @{command (HOL) lifting_update} is preferred for
@@ -1539,7 +1539,7 @@
   Lemmas involving predicates on relations can also be registered using the
   same attribute. For example:
 
-    \<open>bi_unique A \<Longrightarrow> (list_all2 A ===> op =) distinct distinct\<close> \\
+    \<open>bi_unique A \<Longrightarrow> (list_all2 A ===> (=)) distinct distinct\<close> \\
     \<open>\<lbrakk>bi_unique A; bi_unique B\<rbrakk> \<Longrightarrow> bi_unique (rel_prod A B)\<close>
 
   Preservation of predicates on relations (\<open>bi_unique, bi_total, right_unique,
@@ -1555,7 +1555,7 @@
   quantifiers are transferred.
 
   \<^descr> @{attribute (HOL) relator_eq} attribute collects identity laws for
-  relators of various type constructors, e.g. @{term "rel_set (op =) = (op =)"}.
+  relators of various type constructors, e.g. @{term "rel_set (=) = (=)"}.
   The @{method (HOL) transfer} method uses these lemmas to infer
   transfer rules for non-polymorphic constants on the fly. For examples see
   \<^file>\<open>~~/src/HOL/Lifting_Set.thy\<close> or \<^file>\<open>~~/src/HOL/Lifting.thy\<close>. This property
@@ -1894,7 +1894,7 @@
     @{term "Quickcheck_Narrowing.sum (Quickcheck_Narrowing.cons [])
               (Quickcheck_Narrowing.apply
                 (Quickcheck_Narrowing.apply
-                  (Quickcheck_Narrowing.cons (op #))
+                  (Quickcheck_Narrowing.cons (#))
                   narrowing)
                 narrowing)"}.
     If a symbolic variable of type @{typ "_ list"} is evaluated, it is
@@ -1909,7 +1909,7 @@
     "Quickcheck_Narrowing.Narrowing_constructor i args"}, where @{term "i ::
     integer"} denotes the index in the sum of refinements. In the above
     example for lists, @{term "0"} corresponds to @{term "[]"} and @{term "1"}
-    to @{term "op #"}.
+    to @{term "(#)"}.
 
     The command @{command (HOL) "code_datatype"} sets up @{const
     partial_term_of} such that the @{term "i"}-th refinement is interpreted as
--- a/src/Doc/Isar_Ref/Proof_Script.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Isar_Ref/Proof_Script.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -278,4 +278,4 @@
   definitions, it should not never appear in production theories.
 \<close>
 
-end
\ No newline at end of file
+end
--- a/src/Doc/Isar_Ref/Symbols.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Isar_Ref/Symbols.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -37,4 +37,4 @@
   \end{center}
 \<close>
 
-end
\ No newline at end of file
+end
--- a/src/Doc/JEdit/JEdit.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/JEdit/JEdit.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -2171,4 +2171,4 @@
   which sometimes helps in low-memory situations.
 \<close>
 
-end
\ No newline at end of file
+end
--- a/src/Doc/Locales/Examples1.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Locales/Examples1.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -19,8 +19,8 @@
   Section~\ref{sec:local-interpretation}.
 
   As an example, consider the type of integers @{typ int}.  The
-  relation @{term "op \<le>"} is a total order over @{typ int}.  We start
-  with the interpretation that @{term "op \<le>"} is a partial order.  The
+  relation @{term "(\<le>)"} is a total order over @{typ int}.  We start
+  with the interpretation that @{term "(\<le>)"} is a partial order.  The
   facilities of the interpretation command are explored gradually in
   three versions.
 \<close>
@@ -32,11 +32,11 @@
 text \<open>
   The command \isakeyword{interpretation} is for the interpretation of
   locale in theories.  In the following example, the parameter of locale
-  @{text partial_order} is replaced by @{term "op \<le> :: int \<Rightarrow> int \<Rightarrow>
+  @{text partial_order} is replaced by @{term "(\<le>) :: int \<Rightarrow> int \<Rightarrow>
   bool"} and the locale instance is interpreted in the current
   theory.\<close>
 
-  interpretation %visible int: partial_order "op \<le> :: int \<Rightarrow> int \<Rightarrow> bool"
+  interpretation %visible int: partial_order "(\<le>) :: int \<Rightarrow> int \<Rightarrow> bool"
 txt \<open>\normalsize
   The argument of the command is a simple \emph{locale expression}
   consisting of the name of the interpreted locale, which is
@@ -70,17 +70,17 @@
   The prefix @{text int} is applied to all names introduced in locale
   conclusions including names introduced in definitions.  The
   qualified name @{text int.less} is short for
-  the interpretation of the definition, which is @{text "partial_order.less op \<le>"}.
+  the interpretation of the definition, which is @{text "partial_order.less (\<le>)"}.
   Qualified name and expanded form may be used almost
   interchangeably.%
-\footnote{Since @{term "op \<le>"} is polymorphic, for @{text "partial_order.less op \<le>"} a
+\footnote{Since @{term "(\<le>)"} is polymorphic, for @{text "partial_order.less (\<le>)"} a
   more general type will be inferred than for @{text int.less} which
   is over type @{typ int}.}
   The former is preferred on output, as for example in the theorem
   @{thm [source] int.less_le_trans}: @{thm [display, indent=2]
   int.less_le_trans}
   Both notations for the strict order are not satisfactory.  The
-  constant @{term "op <"} is the strict order for @{typ int}.
+  constant @{term "(<)"} is the strict order for @{typ int}.
   In order to allow for the desired replacement, interpretation
   accepts \emph{equations} in addition to the parameter instantiation.
   These follow the locale expression and are indicated with the
--- a/src/Doc/Locales/Examples2.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Locales/Examples2.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1,18 +1,18 @@
 theory Examples2
 imports Examples
 begin
-  interpretation %visible int: partial_order "op \<le> :: [int, int] \<Rightarrow> bool"
+  interpretation %visible int: partial_order "(\<le>) :: [int, int] \<Rightarrow> bool"
     rewrites "int.less x y = (x < y)"
   proof -
     txt \<open>\normalsize The goals are now:
       @{subgoals [display]}
       The proof that~@{text \<le>} is a partial order is as above.\<close>
-    show "partial_order (op \<le> :: int \<Rightarrow> int \<Rightarrow> bool)"
+    show "partial_order ((\<le>) :: int \<Rightarrow> int \<Rightarrow> bool)"
       by unfold_locales auto
     txt \<open>\normalsize The second goal is shown by unfolding the
       definition of @{term "partial_order.less"}.\<close>
-    show "partial_order.less op \<le> x y = (x < y)"
-      unfolding partial_order.less_def [OF \<open>partial_order (op \<le>)\<close>]
+    show "partial_order.less (\<le>) x y = (x < y)"
+      unfolding partial_order.less_def [OF \<open>partial_order (\<le>)\<close>]
       by auto
   qed
 
--- a/src/Doc/Main/Main_Doc.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Main/Main_Doc.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -297,7 +297,7 @@
 @{const Transitive_Closure.trancl} & @{term_type_only Transitive_Closure.trancl "('a*'a)set\<Rightarrow>('a*'a)set"}\\
 @{const Transitive_Closure.reflcl} & @{term_type_only Transitive_Closure.reflcl "('a*'a)set\<Rightarrow>('a*'a)set"}\\
 @{const Transitive_Closure.acyclic} & @{term_type_only Transitive_Closure.acyclic "('a*'a)set\<Rightarrow>bool"}\\
-@{const compower} & @{term_type_only "op ^^ :: ('a*'a)set\<Rightarrow>nat\<Rightarrow>('a*'a)set" "('a*'a)set\<Rightarrow>nat\<Rightarrow>('a*'a)set"}\\
+@{const compower} & @{term_type_only "(^^) :: ('a*'a)set\<Rightarrow>nat\<Rightarrow>('a*'a)set" "('a*'a)set\<Rightarrow>nat\<Rightarrow>('a*'a)set"}\\
 \end{tabular}
 
 \subsubsection*{Syntax}
@@ -345,15 +345,15 @@
 \<^bigskip>
 
 \begin{tabular}{@ {} lllllll @ {}}
-@{term "op + :: nat \<Rightarrow> nat \<Rightarrow> nat"} &
-@{term "op - :: nat \<Rightarrow> nat \<Rightarrow> nat"} &
-@{term "op * :: nat \<Rightarrow> nat \<Rightarrow> nat"} &
-@{term "op ^ :: nat \<Rightarrow> nat \<Rightarrow> nat"} &
-@{term "op div :: nat \<Rightarrow> nat \<Rightarrow> nat"}&
-@{term "op mod :: nat \<Rightarrow> nat \<Rightarrow> nat"}&
-@{term "op dvd :: nat \<Rightarrow> nat \<Rightarrow> bool"}\\
-@{term "op \<le> :: nat \<Rightarrow> nat \<Rightarrow> bool"} &
-@{term "op < :: nat \<Rightarrow> nat \<Rightarrow> bool"} &
+@{term "(+) :: nat \<Rightarrow> nat \<Rightarrow> nat"} &
+@{term "(-) :: nat \<Rightarrow> nat \<Rightarrow> nat"} &
+@{term "( * ) :: nat \<Rightarrow> nat \<Rightarrow> nat"} &
+@{term "(^) :: nat \<Rightarrow> nat \<Rightarrow> nat"} &
+@{term "(div) :: nat \<Rightarrow> nat \<Rightarrow> nat"}&
+@{term "(mod) :: nat \<Rightarrow> nat \<Rightarrow> nat"}&
+@{term "(dvd) :: nat \<Rightarrow> nat \<Rightarrow> bool"}\\
+@{term "(\<le>) :: nat \<Rightarrow> nat \<Rightarrow> bool"} &
+@{term "(<) :: nat \<Rightarrow> nat \<Rightarrow> bool"} &
 @{term "min :: nat \<Rightarrow> nat \<Rightarrow> nat"} &
 @{term "max :: nat \<Rightarrow> nat \<Rightarrow> nat"} &
 @{term "Min :: nat set \<Rightarrow> nat"} &
@@ -362,8 +362,8 @@
 
 \begin{tabular}{@ {} l @ {~::~} l @ {}}
 @{const Nat.of_nat} & @{typeof Nat.of_nat}\\
-@{term "op ^^ :: ('a \<Rightarrow> 'a) \<Rightarrow> nat \<Rightarrow> 'a \<Rightarrow> 'a"} &
-  @{term_type_only "op ^^ :: ('a \<Rightarrow> 'a) \<Rightarrow> nat \<Rightarrow> 'a \<Rightarrow> 'a" "('a \<Rightarrow> 'a) \<Rightarrow> nat \<Rightarrow> 'a \<Rightarrow> 'a"}
+@{term "(^^) :: ('a \<Rightarrow> 'a) \<Rightarrow> nat \<Rightarrow> 'a \<Rightarrow> 'a"} &
+  @{term_type_only "(^^) :: ('a \<Rightarrow> 'a) \<Rightarrow> nat \<Rightarrow> 'a \<Rightarrow> 'a" "('a \<Rightarrow> 'a) \<Rightarrow> nat \<Rightarrow> 'a \<Rightarrow> 'a"}
 \end{tabular}
 
 \section*{Int}
@@ -372,16 +372,16 @@
 \<^bigskip>
 
 \begin{tabular}{@ {} llllllll @ {}}
-@{term "op + :: int \<Rightarrow> int \<Rightarrow> int"} &
-@{term "op - :: int \<Rightarrow> int \<Rightarrow> int"} &
+@{term "(+) :: int \<Rightarrow> int \<Rightarrow> int"} &
+@{term "(-) :: int \<Rightarrow> int \<Rightarrow> int"} &
 @{term "uminus :: int \<Rightarrow> int"} &
-@{term "op * :: int \<Rightarrow> int \<Rightarrow> int"} &
-@{term "op ^ :: int \<Rightarrow> nat \<Rightarrow> int"} &
-@{term "op div :: int \<Rightarrow> int \<Rightarrow> int"}&
-@{term "op mod :: int \<Rightarrow> int \<Rightarrow> int"}&
-@{term "op dvd :: int \<Rightarrow> int \<Rightarrow> bool"}\\
-@{term "op \<le> :: int \<Rightarrow> int \<Rightarrow> bool"} &
-@{term "op < :: int \<Rightarrow> int \<Rightarrow> bool"} &
+@{term "( * ) :: int \<Rightarrow> int \<Rightarrow> int"} &
+@{term "(^) :: int \<Rightarrow> nat \<Rightarrow> int"} &
+@{term "(div) :: int \<Rightarrow> int \<Rightarrow> int"}&
+@{term "(mod) :: int \<Rightarrow> int \<Rightarrow> int"}&
+@{term "(dvd) :: int \<Rightarrow> int \<Rightarrow> bool"}\\
+@{term "(\<le>) :: int \<Rightarrow> int \<Rightarrow> bool"} &
+@{term "(<) :: int \<Rightarrow> int \<Rightarrow> bool"} &
 @{term "min :: int \<Rightarrow> int \<Rightarrow> int"} &
 @{term "max :: int \<Rightarrow> int \<Rightarrow> int"} &
 @{term "Min :: int set \<Rightarrow> int"} &
--- a/src/Doc/Prog_Prove/Basics.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Prog_Prove/Basics.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -40,9 +40,9 @@
 
 \begin{warn}
 There are many predefined infix symbols like @{text "+"} and @{text"\<le>"}.
-The name of the corresponding binary function is @{term"op +"},
+The name of the corresponding binary function is @{term"(+)"},
 not just @{text"+"}. That is, @{term"x + y"} is nice surface syntax
-(``syntactic sugar'') for \noquotes{@{term[source]"op + x y"}}.
+(``syntactic sugar'') for \noquotes{@{term[source]"(+) x y"}}.
 \end{warn}
 
 HOL also supports some basic constructs from functional programming:
@@ -152,4 +152,4 @@
 *}
 (*<*)
 end
-(*>*)
\ No newline at end of file
+(*>*)
--- a/src/Doc/Prog_Prove/LaTeXsugar.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Prog_Prove/LaTeXsugar.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -60,4 +60,4 @@
 *}
 
 end
-(*>*)
\ No newline at end of file
+(*>*)
--- a/src/Doc/System/Environment.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/System/Environment.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -505,4 +505,4 @@
   characters are \<open>\<^bold>X\<^bold>Y\<close>.
 \<close>
 
-end
\ No newline at end of file
+end
--- a/src/Doc/System/Misc.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/System/Misc.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -226,4 +226,4 @@
   id of the @{setting ISABELLE_HOME} directory.
 \<close>
 
-end
\ No newline at end of file
+end
--- a/src/Doc/System/Presentation.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/System/Presentation.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -286,4 +286,4 @@
 isabelle latex -o pdf\<close>}
 \<close>
 
-end
\ No newline at end of file
+end
--- a/src/Doc/Tutorial/Types/Pairs.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/Doc/Tutorial/Types/Pairs.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -110,7 +110,7 @@
 @{subgoals[display,indent=0]}
 Again, simplification produces a term suitable for @{thm[source]prod.split}
 as above. If you are worried about the strange form of the premise:
-@{text"case_prod (op =)"} is short for @{term"\<lambda>(x,y). x=y"}.
+@{text"case_prod (=)"} is short for @{term"\<lambda>(x,y). x=y"}.
 The same proof procedure works for
 *}
 
--- a/src/FOL/ex/Locale_Test/Locale_Test1.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/FOL/ex/Locale_Test/Locale_Test1.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -68,7 +68,7 @@
     and linv: "inv(x) ** x = one"
 print_locale! lgrp thm lgrp_def lgrp_axioms_def
 
-locale add_lgrp = semi "op ++" for sum (infixl "++" 60) +
+locale add_lgrp = semi "(++)" for sum (infixl "++" 60) +
   fixes zero and neg
   assumes lzero: "zero ++ x = x"
     and lneg: "neg(x) ++ x = zero"
@@ -106,7 +106,7 @@
 end
 print_locale! logic
 
-locale use_decl = l: logic + semi "op ||"
+locale use_decl = l: logic + semi "(||)"
 print_locale! use_decl thm use_decl_def
 
 locale extra_type =
@@ -376,7 +376,7 @@
 
 end
 
-sublocale order_with_def < dual: order' "op >>"
+sublocale order_with_def < dual: order' "(>>)"
   apply unfold_locales
   unfolding greater_def
   apply (rule refl) apply (blast intro: trans)
@@ -438,13 +438,13 @@
 
 subsection \<open>Sublocale, then interpretation in theory\<close>
 
-interpretation int?: lgrp "op +" "0" "minus"
+interpretation int?: lgrp "(+)" "0" "minus"
 proof unfold_locales
 qed (rule int_assoc int_zero int_minus)+
 
 thm int.assoc int.semi_axioms
 
-interpretation int2?: semi "op +"
+interpretation int2?: semi "(+)"
   by unfold_locales  (* subsumed, thm int2.assoc not generated *)
 
 ML \<open>(Global_Theory.get_thms @{theory} "int2.assoc";
@@ -457,7 +457,7 @@
 
 subsection \<open>Interpretation in theory, then sublocale\<close>
 
-interpretation fol: logic "op +" "minus"
+interpretation fol: logic "(+)" "minus"
   by unfold_locales (rule int_assoc int_minus2)+
 
 locale logic2 =
@@ -503,11 +503,11 @@
 
 end
 
-interpretation x: logic_o "op \<and>" "Not"
+interpretation x: logic_o "(\<and>)" "Not"
   rewrites bool_logic_o: "x.lor_o(x, y) \<longleftrightarrow> x \<or> y"
 proof -
-  show bool_logic_o: "PROP logic_o(op \<and>, Not)" by unfold_locales fast+
-  show "logic_o.lor_o(op \<and>, Not, x, y) \<longleftrightarrow> x \<or> y"
+  show bool_logic_o: "PROP logic_o((\<and>), Not)" by unfold_locales fast+
+  show "logic_o.lor_o((\<and>), Not, x, y) \<longleftrightarrow> x \<or> y"
     by (unfold logic_o.lor_o_def [OF bool_logic_o]) fast
 qed
 
@@ -759,8 +759,8 @@
 
 text \<open>Interpreted versions\<close>
 
-lemma "0 = glob_one ((op +))" by (rule int.def.one_def)
-lemma "- x = glob_inv(op +, x)" by (rule int.def.inv_def)
+lemma "0 = glob_one ((+))" by (rule int.def.one_def)
+lemma "- x = glob_inv((+), x)" by (rule int.def.inv_def)
 
 text \<open>Roundup applies rewrite morphisms at declaration level in DFS tree\<close>
 
@@ -792,18 +792,18 @@
 
 lemma True
 proof
-  interpret "local": lgrp "op +" "0" "minus"
+  interpret "local": lgrp "(+)" "0" "minus"
     by unfold_locales  (* subsumed *)
   {
     fix zero :: int
     assume "!!x. zero + x = x" "!!x. (-x) + x = zero"
-    then interpret local_fixed: lgrp "op +" zero "minus"
+    then interpret local_fixed: lgrp "(+)" zero "minus"
       by unfold_locales
     thm local_fixed.lone
-    print_dependencies! lgrp "op +" 0 minus + lgrp "op +" zero minus
+    print_dependencies! lgrp "(+)" 0 minus + lgrp "(+)" zero minus
   }
   assume "!!x zero. zero + x = x" "!!x zero. (-x) + x = zero"
-  then interpret local_free: lgrp "op +" zero "minus" for zero
+  then interpret local_free: lgrp "(+)" zero "minus" for zero
     by unfold_locales
   thm local_free.lone [where ?zero = 0]
 qed
--- a/src/FOLP/IFOLP.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/FOLP/IFOLP.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -259,7 +259,7 @@
           and concl = discard_proof (Logic.strip_assums_concl prem)
       in
           if exists (fn hyp => hyp aconv concl) hyps
-          then case distinct (op =) (filter (fn hyp => Term.could_unify (hyp, concl)) hyps) of
+          then case distinct (=) (filter (fn hyp => Term.could_unify (hyp, concl)) hyps) of
                    [_] => assume_tac ctxt i
                  |  _  => no_tac
           else no_tac
@@ -522,7 +522,7 @@
 lemmas pred_congs = pred1_cong pred2_cong pred3_cong
 
 (*special case for the equality predicate!*)
-lemmas eq_cong = pred2_cong [where P = "op ="]
+lemmas eq_cong = pred2_cong [where P = "(=)"]
 
 
 (*** Simplifications of assumed implications.
--- a/src/HOL/Algebra/Complete_Lattice.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Algebra/Complete_Lattice.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1171,7 +1171,7 @@
 subsubsection \<open>The Powerset of a Set is a Complete Lattice\<close>
 
 theorem powerset_is_complete_lattice:
-  "complete_lattice \<lparr>carrier = Pow A, eq = op =, le = (op \<subseteq>)\<rparr>"
+  "complete_lattice \<lparr>carrier = Pow A, eq = (=), le = (\<subseteq>)\<rparr>"
   (is "complete_lattice ?L")
 proof (rule partial_order.complete_latticeI)
   show "partial_order ?L"
--- a/src/HOL/Algebra/Divisibility.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Algebra/Divisibility.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -145,7 +145,7 @@
 definition associated :: "[_, 'a, 'a] \<Rightarrow> bool" (infix "\<sim>\<index>" 55)
   where "a \<sim>\<^bsub>G\<^esub> b \<longleftrightarrow> a divides\<^bsub>G\<^esub> b \<and> b divides\<^bsub>G\<^esub> a"
 
-abbreviation "division_rel G \<equiv> \<lparr>carrier = carrier G, eq = op \<sim>\<^bsub>G\<^esub>, le = (op divides\<^bsub>G\<^esub>)\<rparr>"
+abbreviation "division_rel G \<equiv> \<lparr>carrier = carrier G, eq = (\<sim>\<^bsub>G\<^esub>), le = (divides\<^bsub>G\<^esub>)\<rparr>"
 
 definition properfactor :: "[_, 'a, 'a] \<Rightarrow> bool"
   where "properfactor G a b \<longleftrightarrow> a divides\<^bsub>G\<^esub> b \<and> \<not>(b divides\<^bsub>G\<^esub> a)"
@@ -857,13 +857,13 @@
 subsubsection \<open>Function definitions\<close>
 
 definition factors :: "[_, 'a list, 'a] \<Rightarrow> bool"
-  where "factors G fs a \<longleftrightarrow> (\<forall>x \<in> (set fs). irreducible G x) \<and> foldr (op \<otimes>\<^bsub>G\<^esub>) fs \<one>\<^bsub>G\<^esub> = a"
+  where "factors G fs a \<longleftrightarrow> (\<forall>x \<in> (set fs). irreducible G x) \<and> foldr (\<otimes>\<^bsub>G\<^esub>) fs \<one>\<^bsub>G\<^esub> = a"
 
 definition wfactors ::"[_, 'a list, 'a] \<Rightarrow> bool"
-  where "wfactors G fs a \<longleftrightarrow> (\<forall>x \<in> (set fs). irreducible G x) \<and> foldr (op \<otimes>\<^bsub>G\<^esub>) fs \<one>\<^bsub>G\<^esub> \<sim>\<^bsub>G\<^esub> a"
+  where "wfactors G fs a \<longleftrightarrow> (\<forall>x \<in> (set fs). irreducible G x) \<and> foldr (\<otimes>\<^bsub>G\<^esub>) fs \<one>\<^bsub>G\<^esub> \<sim>\<^bsub>G\<^esub> a"
 
 abbreviation list_assoc :: "('a,_) monoid_scheme \<Rightarrow> 'a list \<Rightarrow> 'a list \<Rightarrow> bool" (infix "[\<sim>]\<index>" 44)
-  where "list_assoc G \<equiv> list_all2 (op \<sim>\<^bsub>G\<^esub>)"
+  where "list_assoc G \<equiv> list_all2 (\<sim>\<^bsub>G\<^esub>)"
 
 definition essentially_equal :: "[_, 'a list, 'a list] \<Rightarrow> bool"
   where "essentially_equal G fs1 fs2 \<longleftrightarrow> (\<exists>fs1'. fs1 <~~> fs1' \<and> fs1' [\<sim>]\<^bsub>G\<^esub> fs2)"
@@ -1043,12 +1043,12 @@
 
 lemma (in monoid) multlist_closed [simp, intro]:
   assumes ascarr: "set fs \<subseteq> carrier G"
-  shows "foldr (op \<otimes>) fs \<one> \<in> carrier G"
+  shows "foldr (\<otimes>) fs \<one> \<in> carrier G"
   using ascarr by (induct fs) simp_all
 
 lemma  (in comm_monoid) multlist_dividesI (*[intro]*):
   assumes "f \<in> set fs" and "f \<in> carrier G" and "set fs \<subseteq> carrier G"
-  shows "f divides (foldr (op \<otimes>) fs \<one>)"
+  shows "f divides (foldr (\<otimes>) fs \<one>)"
   using assms
   apply (induct fs)
    apply simp
@@ -1062,7 +1062,7 @@
 lemma (in comm_monoid_cancel) multlist_listassoc_cong:
   assumes "fs [\<sim>] fs'"
     and "set fs \<subseteq> carrier G" and "set fs' \<subseteq> carrier G"
-  shows "foldr (op \<otimes>) fs \<one> \<sim> foldr (op \<otimes>) fs' \<one>"
+  shows "foldr (\<otimes>) fs \<one> \<sim> foldr (\<otimes>) fs' \<one>"
   using assms
 proof (induct fs arbitrary: fs', simp)
   case (Cons a as fs')
@@ -1073,16 +1073,16 @@
     assume "a \<sim> b"
       and acarr: "a \<in> carrier G" and bcarr: "b \<in> carrier G"
       and ascarr: "set as \<subseteq> carrier G"
-    then have p: "a \<otimes> foldr op \<otimes> as \<one> \<sim> b \<otimes> foldr op \<otimes> as \<one>"
+    then have p: "a \<otimes> foldr (\<otimes>) as \<one> \<sim> b \<otimes> foldr (\<otimes>) as \<one>"
       by (fast intro: mult_cong_l)
     also
     assume "as [\<sim>] bs"
       and bscarr: "set bs \<subseteq> carrier G"
-      and "\<And>fs'. \<lbrakk>as [\<sim>] fs'; set fs' \<subseteq> carrier G\<rbrakk> \<Longrightarrow> foldr op \<otimes> as \<one> \<sim> foldr op \<otimes> fs' \<one>"
-    then have "foldr op \<otimes> as \<one> \<sim> foldr op \<otimes> bs \<one>" by simp
-    with ascarr bscarr bcarr have "b \<otimes> foldr op \<otimes> as \<one> \<sim> b \<otimes> foldr op \<otimes> bs \<one>"
+      and "\<And>fs'. \<lbrakk>as [\<sim>] fs'; set fs' \<subseteq> carrier G\<rbrakk> \<Longrightarrow> foldr (\<otimes>) as \<one> \<sim> foldr (\<otimes>) fs' \<one>"
+    then have "foldr (\<otimes>) as \<one> \<sim> foldr (\<otimes>) bs \<one>" by simp
+    with ascarr bscarr bcarr have "b \<otimes> foldr (\<otimes>) as \<one> \<sim> b \<otimes> foldr (\<otimes>) bs \<one>"
       by (fast intro: mult_cong_r)
-    finally show "a \<otimes> foldr op \<otimes> as \<one> \<sim> b \<otimes> foldr op \<otimes> bs \<one>"
+    finally show "a \<otimes> foldr (\<otimes>) as \<one> \<sim> b \<otimes> foldr (\<otimes>) bs \<one>"
       by (simp add: ascarr bscarr acarr bcarr)
   qed
 qed
@@ -1090,21 +1090,21 @@
 lemma (in comm_monoid) multlist_perm_cong:
   assumes prm: "as <~~> bs"
     and ascarr: "set as \<subseteq> carrier G"
-  shows "foldr (op \<otimes>) as \<one> = foldr (op \<otimes>) bs \<one>"
+  shows "foldr (\<otimes>) as \<one> = foldr (\<otimes>) bs \<one>"
   using prm ascarr
   apply (induct, simp, clarsimp simp add: m_ac, clarsimp)
 proof clarsimp
   fix xs ys zs
   assume "xs <~~> ys"  "set xs \<subseteq> carrier G"
   then have "set ys \<subseteq> carrier G" by (rule perm_closed)
-  moreover assume "set ys \<subseteq> carrier G \<Longrightarrow> foldr op \<otimes> ys \<one> = foldr op \<otimes> zs \<one>"
-  ultimately show "foldr op \<otimes> ys \<one> = foldr op \<otimes> zs \<one>" by simp
+  moreover assume "set ys \<subseteq> carrier G \<Longrightarrow> foldr (\<otimes>) ys \<one> = foldr (\<otimes>) zs \<one>"
+  ultimately show "foldr (\<otimes>) ys \<one> = foldr (\<otimes>) zs \<one>" by simp
 qed
 
 lemma (in comm_monoid_cancel) multlist_ee_cong:
   assumes "essentially_equal G fs fs'"
     and "set fs \<subseteq> carrier G" and "set fs' \<subseteq> carrier G"
-  shows "foldr (op \<otimes>) fs \<one> \<sim> foldr (op \<otimes>) fs' \<one>"
+  shows "foldr (\<otimes>) fs \<one> \<sim> foldr (\<otimes>) fs' \<one>"
   using assms
   apply (elim essentially_equalE)
   apply (simp add: multlist_perm_cong multlist_listassoc_cong perm_closed)
@@ -1116,27 +1116,27 @@
 lemma wfactorsI:
   fixes G (structure)
   assumes "\<forall>f\<in>set fs. irreducible G f"
-    and "foldr (op \<otimes>) fs \<one> \<sim> a"
+    and "foldr (\<otimes>) fs \<one> \<sim> a"
   shows "wfactors G fs a"
   using assms unfolding wfactors_def by simp
 
 lemma wfactorsE:
   fixes G (structure)
   assumes wf: "wfactors G fs a"
-    and e: "\<lbrakk>\<forall>f\<in>set fs. irreducible G f; foldr (op \<otimes>) fs \<one> \<sim> a\<rbrakk> \<Longrightarrow> P"
+    and e: "\<lbrakk>\<forall>f\<in>set fs. irreducible G f; foldr (\<otimes>) fs \<one> \<sim> a\<rbrakk> \<Longrightarrow> P"
   shows "P"
   using wf unfolding wfactors_def by (fast dest: e)
 
 lemma (in monoid) factorsI:
   assumes "\<forall>f\<in>set fs. irreducible G f"
-    and "foldr (op \<otimes>) fs \<one> = a"
+    and "foldr (\<otimes>) fs \<one> = a"
   shows "factors G fs a"
   using assms unfolding factors_def by simp
 
 lemma factorsE:
   fixes G (structure)
   assumes f: "factors G fs a"
-    and e: "\<lbrakk>\<forall>f\<in>set fs. irreducible G f; foldr (op \<otimes>) fs \<one> = a\<rbrakk> \<Longrightarrow> P"
+    and e: "\<lbrakk>\<forall>f\<in>set fs. irreducible G f; foldr (\<otimes>) fs \<one> = a\<rbrakk> \<Longrightarrow> P"
   shows "P"
   using f unfolding factors_def by (simp add: e)
 
@@ -1185,14 +1185,14 @@
   from fs wf have "irreducible G f" by (simp add: wfactors_def)
   then have fnunit: "f \<notin> Units G" by (fast elim: irreducibleE)
 
-  from fs wf have a: "f \<otimes> foldr (op \<otimes>) fs' \<one> \<sim> a" by (simp add: wfactors_def)
+  from fs wf have a: "f \<otimes> foldr (\<otimes>) fs' \<one> \<sim> a" by (simp add: wfactors_def)
 
   note aunit
   also from fs wf
-  have a: "f \<otimes> foldr (op \<otimes>) fs' \<one> \<sim> a" by (simp add: wfactors_def)
-  have "a \<sim> f \<otimes> foldr (op \<otimes>) fs' \<one>"
+  have a: "f \<otimes> foldr (\<otimes>) fs' \<one> \<sim> a" by (simp add: wfactors_def)
+  have "a \<sim> f \<otimes> foldr (\<otimes>) fs' \<one>"
     by (simp add: Units_closed[OF aunit] a[symmetric])
-  finally have "f \<otimes> foldr (op \<otimes>) fs' \<one> \<in> Units G" by simp
+  finally have "f \<otimes> foldr (\<otimes>) fs' \<one> \<in> Units G" by simp
   then have "f \<in> Units G" by (intro unit_factor[of f], simp+)
   with fnunit show ?thesis by contradiction
 qed
@@ -1209,10 +1209,10 @@
   apply (elim wfactorsE, intro wfactorsI)
    apply (metis assms(2) assms(4) assms(5) irrlist_listassoc_cong)
 proof -
-  from asc[symmetric] have "foldr op \<otimes> fs' \<one> \<sim> foldr op \<otimes> fs \<one>"
+  from asc[symmetric] have "foldr (\<otimes>) fs' \<one> \<sim> foldr (\<otimes>) fs \<one>"
     by (simp add: multlist_listassoc_cong carr)
-  also assume "foldr op \<otimes> fs \<one> \<sim> a"
-  finally show "foldr op \<otimes> fs' \<one> \<sim> a" by (simp add: carr)
+  also assume "foldr (\<otimes>) fs \<one> \<sim> a"
+  finally show "foldr (\<otimes>) fs' \<one> \<sim> a" by (simp add: carr)
 qed
 
 lemma (in comm_monoid) wfactors_perm_cong_l:
@@ -1251,8 +1251,8 @@
   shows "wfactors G fs a'"
   using fac
 proof (elim wfactorsE, intro wfactorsI)
-  assume "foldr op \<otimes> fs \<one> \<sim> a" also note aa'
-  finally show "foldr op \<otimes> fs \<one> \<sim> a'" by simp
+  assume "foldr (\<otimes>) fs \<one> \<sim> a" also note aa'
+  finally show "foldr (\<otimes>) fs \<one> \<sim> a'" by simp
 qed
 
 
@@ -1296,11 +1296,11 @@
   using afs bfs
 proof (elim wfactorsE)
   from prm have [simp]: "set bs \<subseteq> carrier G" by (simp add: perm_closed)
-  assume "foldr op \<otimes> as \<one> \<sim> a"
-  then have "a \<sim> foldr op \<otimes> as \<one>" by (rule associated_sym, simp+)
+  assume "foldr (\<otimes>) as \<one> \<sim> a"
+  then have "a \<sim> foldr (\<otimes>) as \<one>" by (rule associated_sym, simp+)
   also from prm
-  have "foldr op \<otimes> as \<one> = foldr op \<otimes> bs \<one>" by (rule multlist_perm_cong, simp)
-  also assume "foldr op \<otimes> bs \<one> \<sim> b"
+  have "foldr (\<otimes>) as \<one> = foldr (\<otimes>) bs \<one>" by (rule multlist_perm_cong, simp)
+  also assume "foldr (\<otimes>) bs \<one> \<sim> b"
   finally show "a \<sim> b" by simp
 qed
 
@@ -1313,11 +1313,11 @@
   shows "a \<sim> b"
   using afs bfs
 proof (elim wfactorsE)
-  assume "foldr op \<otimes> as \<one> \<sim> a"
-  then have "a \<sim> foldr op \<otimes> as \<one>" by (rule associated_sym, simp+)
+  assume "foldr (\<otimes>) as \<one> \<sim> a"
+  then have "a \<sim> foldr (\<otimes>) as \<one>" by (rule associated_sym, simp+)
   also from assoc
-  have "foldr op \<otimes> as \<one> \<sim> foldr op \<otimes> bs \<one>" by (rule multlist_listassoc_cong, simp+)
-  also assume "foldr op \<otimes> bs \<one> \<sim> b"
+  have "foldr (\<otimes>) as \<one> \<sim> foldr (\<otimes>) bs \<one>" by (rule multlist_listassoc_cong, simp+)
+  also assume "foldr (\<otimes>) bs \<one> \<sim> b"
   finally show "a \<sim> b" by simp
 qed
 
@@ -2912,10 +2912,10 @@
 lemma (in comm_monoid_cancel) multlist_prime_pos:
   assumes carr: "a \<in> carrier G"  "set as \<subseteq> carrier G"
     and aprime: "prime G a"
-    and "a divides (foldr (op \<otimes>) as \<one>)"
+    and "a divides (foldr (\<otimes>) as \<one>)"
   shows "\<exists>i<length as. a divides (as!i)"
 proof -
-  have r[rule_format]: "set as \<subseteq> carrier G \<and> a divides (foldr (op \<otimes>) as \<one>)
+  have r[rule_format]: "set as \<subseteq> carrier G \<and> a divides (foldr (\<otimes>) as \<one>)
     \<longrightarrow> (\<exists>i. i < length as \<and> a divides (as!i))"
     apply (induct as)
      apply clarsimp defer 1
@@ -2928,10 +2928,10 @@
       by (elim primeE, simp)
   next
     fix aa as
-    assume ih[rule_format]: "a divides foldr op \<otimes> as \<one> \<longrightarrow> (\<exists>i<length as. a divides as ! i)"
+    assume ih[rule_format]: "a divides foldr (\<otimes>) as \<one> \<longrightarrow> (\<exists>i<length as. a divides as ! i)"
       and carr': "aa \<in> carrier G"  "set as \<subseteq> carrier G"
-      and "a divides aa \<otimes> foldr op \<otimes> as \<one>"
-    with carr aprime have "a divides aa \<or> a divides foldr op \<otimes> as \<one>"
+      and "a divides aa \<otimes> foldr (\<otimes>) as \<one>"
+    with carr aprime have "a divides aa \<or> a divides foldr (\<otimes>) as \<one>"
       by (intro prime_divides) simp+
     then show "\<exists>i<Suc (length as). a divides (aa # as) ! i"
     proof
@@ -2940,7 +2940,7 @@
       have "0 < Suc (length as)" by simp
       with p1 show ?thesis by fast
     next
-      assume "a divides foldr op \<otimes> as \<one>"
+      assume "a divides foldr (\<otimes>) as \<one>"
       from ih [OF this] obtain i where "a divides as ! i" and len: "i < length as" by auto
       then have p1: "a divides (aa#as) ! (Suc i)" by simp
       from len have "Suc i < Suc (length as)" by simp
@@ -2998,9 +2998,9 @@
     note carr [simp] = acarr ahcarr ascarr as'carr a'carr
 
     note ahdvda
-    also from afs' have "a divides (foldr (op \<otimes>) as' \<one>)"
+    also from afs' have "a divides (foldr (\<otimes>) as' \<one>)"
       by (elim wfactorsE associatedE, simp)
-    finally have "ah divides (foldr (op \<otimes>) as' \<one>)"
+    finally have "ah divides (foldr (\<otimes>) as' \<one>)"
       by simp
     with ahprime have "\<exists>i<length as'. ah divides as'!i"
       by (intro multlist_prime_pos) simp_all
--- a/src/HOL/Algebra/Group.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Algebra/Group.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -676,7 +676,7 @@
 
 (* Contributed by Joachim Breitner *)
 lemma (in group) int_pow_is_hom:
-  "x \<in> carrier G \<Longrightarrow> (op[^] x) \<in> hom \<lparr> carrier = UNIV, mult = op +, one = 0::int \<rparr> G "
+  "x \<in> carrier G \<Longrightarrow> (([^]) x) \<in> hom \<lparr> carrier = UNIV, mult = (+), one = 0::int \<rparr> G "
   unfolding hom_def by (simp add: int_pow_mult)
 
 
@@ -773,7 +773,7 @@
 text_raw \<open>\label{sec:subgroup-lattice}\<close>
 
 theorem (in group) subgroups_partial_order:
-  "partial_order \<lparr>carrier = {H. subgroup H G}, eq = op =, le = (op \<subseteq>)\<rparr>"
+  "partial_order \<lparr>carrier = {H. subgroup H G}, eq = (=), le = (\<subseteq>)\<rparr>"
   by standard simp_all
 
 lemma (in group) subgroup_self:
@@ -818,7 +818,7 @@
 qed
 
 theorem (in group) subgroups_complete_lattice:
-  "complete_lattice \<lparr>carrier = {H. subgroup H G}, eq = op =, le = (op \<subseteq>)\<rparr>"
+  "complete_lattice \<lparr>carrier = {H. subgroup H G}, eq = (=), le = (\<subseteq>)\<rparr>"
     (is "complete_lattice ?L")
 proof (rule partial_order.complete_lattice_criterion1)
   show "partial_order ?L" by (rule subgroups_partial_order)
--- a/src/HOL/Algebra/IntRing.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Algebra/IntRing.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -23,7 +23,7 @@
 subsection \<open>\<open>\<Z>\<close>: The Set of Integers as Algebraic Structure\<close>
 
 abbreviation int_ring :: "int ring" ("\<Z>")
-  where "int_ring \<equiv> \<lparr>carrier = UNIV, mult = op *, one = 1, zero = 0, add = (op +)\<rparr>"
+  where "int_ring \<equiv> \<lparr>carrier = UNIV, mult = ( * ), one = 1, zero = 0, add = (+)\<rparr>"
 
 lemma int_Zcarr [intro!, simp]: "k \<in> carrier \<Z>"
   by simp
@@ -172,27 +172,27 @@
   by simp_all
 
 interpretation int (* FIXME [unfolded UNIV] *) :
-  partial_order "\<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr>"
-  rewrites "carrier \<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr> = UNIV"
-    and "le \<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr> x y = (x \<le> y)"
-    and "lless \<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr> x y = (x < y)"
+  partial_order "\<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr>"
+  rewrites "carrier \<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr> = UNIV"
+    and "le \<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr> x y = (x \<le> y)"
+    and "lless \<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr> x y = (x < y)"
 proof -
-  show "partial_order \<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr>"
+  show "partial_order \<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr>"
     by standard simp_all
-  show "carrier \<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr> = UNIV"
+  show "carrier \<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr> = UNIV"
     by simp
-  show "le \<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr> x y = (x \<le> y)"
+  show "le \<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr> x y = (x \<le> y)"
     by simp
-  show "lless \<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr> x y = (x < y)"
+  show "lless \<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr> x y = (x < y)"
     by (simp add: lless_def) auto
 qed
 
 interpretation int (* FIXME [unfolded UNIV] *) :
-  lattice "\<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr>"
-  rewrites "join \<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr> x y = max x y"
-    and "meet \<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr> x y = min x y"
+  lattice "\<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr>"
+  rewrites "join \<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr> x y = max x y"
+    and "meet \<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr> x y = min x y"
 proof -
-  let ?Z = "\<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr>"
+  let ?Z = "\<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr>"
   show "lattice ?Z"
     apply unfold_locales
     apply (simp add: least_def Upper_def)
@@ -214,7 +214,7 @@
 qed
 
 interpretation int (* [unfolded UNIV] *) :
-  total_order "\<lparr>carrier = UNIV::int set, eq = op =, le = (op \<le>)\<rparr>"
+  total_order "\<lparr>carrier = UNIV::int set, eq = (=), le = (\<le>)\<rparr>"
   by standard clarsimp
 
 
--- a/src/HOL/Algebra/Multiplicative_Group.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Algebra/Multiplicative_Group.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -580,7 +580,7 @@
 lemma mult_mult_of: "mult (mult_of R) = mult R"
  by (simp add: mult_of_def)
 
-lemma nat_pow_mult_of: "op [^]\<^bsub>mult_of R\<^esub> = (op [^]\<^bsub>R\<^esub> :: _ \<Rightarrow> nat \<Rightarrow> _)"
+lemma nat_pow_mult_of: "([^]\<^bsub>mult_of R\<^esub>) = (([^]\<^bsub>R\<^esub>) :: _ \<Rightarrow> nat \<Rightarrow> _)"
   by (simp add: mult_of_def fun_eq_iff nat_pow_def)
 
 lemma one_mult_of: "\<one>\<^bsub>mult_of R\<^esub> = \<one>\<^bsub>R\<^esub>"
@@ -762,7 +762,7 @@
   note mult_of_simps[simp]
   have finite': "finite (carrier (mult_of R))" using finite by (rule finite_mult_of)
 
-  interpret G:group "mult_of R" rewrites "op [^]\<^bsub>mult_of R\<^esub> = (op [^] :: _ \<Rightarrow> nat \<Rightarrow> _)" and "\<one>\<^bsub>mult_of R\<^esub> = \<one>"
+  interpret G:group "mult_of R" rewrites "([^]\<^bsub>mult_of R\<^esub>) = (([^]) :: _ \<Rightarrow> nat \<Rightarrow> _)" and "\<one>\<^bsub>mult_of R\<^esub> = \<one>"
     by (rule field_mult_group) simp_all
 
   from exists
@@ -826,7 +826,7 @@
   have finite': "finite (carrier (mult_of R))" using finite by (rule finite_mult_of)
 
   interpret G: group "mult_of R" rewrites
-      "op [^]\<^bsub>mult_of R\<^esub> = (op [^] :: _ \<Rightarrow> nat \<Rightarrow> _)" and "\<one>\<^bsub>mult_of R\<^esub> = \<one>"
+      "([^]\<^bsub>mult_of R\<^esub>) = (([^]) :: _ \<Rightarrow> nat \<Rightarrow> _)" and "\<one>\<^bsub>mult_of R\<^esub> = \<one>"
     by (rule field_mult_group) (simp_all add: fun_eq_iff nat_pow_def)
 
   let ?N = "\<lambda> x . card {a \<in> carrier (mult_of R). group.ord (mult_of R) a  = x}"
--- a/src/HOL/Algebra/Order.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Algebra/Order.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -22,7 +22,7 @@
 abbreviation inv_gorder :: "_ \<Rightarrow> 'a gorder" where
   "inv_gorder L \<equiv>
    \<lparr> carrier = carrier L,
-     eq = op .=\<^bsub>L\<^esub>,
+     eq = (.=\<^bsub>L\<^esub>),
      le = (\<lambda> x y. y \<sqsubseteq>\<^bsub>L \<^esub>x) \<rparr>"
 
 lemma inv_gorder_inv:
@@ -591,7 +591,7 @@
 subsection \<open>Partial orders where \<open>eq\<close> is the Equality\<close>
 
 locale partial_order = weak_partial_order +
-  assumes eq_is_equal: "op .= = op ="
+  assumes eq_is_equal: "(.=) = (=)"
 begin
 
 declare weak_le_antisym [rule del]
--- a/src/HOL/Algebra/QuotRing.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Algebra/QuotRing.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -115,7 +115,7 @@
 
 text \<open>This is a ring homomorphism\<close>
 
-lemma (in ideal) rcos_ring_hom: "(op +> I) \<in> ring_hom R (R Quot I)"
+lemma (in ideal) rcos_ring_hom: "((+>) I) \<in> ring_hom R (R Quot I)"
 apply (rule ring_hom_memI)
    apply (simp add: FactRing_def a_rcosetsI[OF a_subset])
   apply (simp add: FactRing_def rcoset_mult_add)
@@ -123,7 +123,7 @@
 apply (simp add: FactRing_def)
 done
 
-lemma (in ideal) rcos_ring_hom_ring: "ring_hom_ring R (R Quot I) (op +> I)"
+lemma (in ideal) rcos_ring_hom_ring: "ring_hom_ring R (R Quot I) ((+>) I)"
 apply (rule ring_hom_ringI)
      apply (rule is_ring, rule quotient_is_ring)
    apply (simp add: FactRing_def a_rcosetsI[OF a_subset])
@@ -151,7 +151,7 @@
 text \<open>Cosets as a ring homomorphism on crings\<close>
 lemma (in ideal) rcos_ring_hom_cring:
   assumes "cring R"
-  shows "ring_hom_cring R (R Quot I) (op +> I)"
+  shows "ring_hom_cring R (R Quot I) ((+>) I)"
 proof -
   interpret cring R by fact
   show ?thesis
@@ -203,7 +203,7 @@
 
 text \<open>Generating right cosets of a prime ideal is a homomorphism
         on commutative rings\<close>
-lemma (in primeideal) rcos_ring_hom_cring: "ring_hom_cring R (R Quot I) (op +> I)"
+lemma (in primeideal) rcos_ring_hom_cring: "ring_hom_cring R (R Quot I) ((+>) I)"
   by (rule rcos_ring_hom_cring) (rule is_cring)
 
 
--- a/src/HOL/Algebra/Sylow.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Algebra/Sylow.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -80,7 +80,7 @@
   proof
     show "inj_on (\<lambda>z\<in>H. m1 \<otimes> z) H"
       by (simp add: inj_on_def l_cancel [of m1 x y, THEN iffD1] H_def m1)
-    show "restrict (op \<otimes> m1) H \<in> H \<rightarrow> M1"
+    show "restrict ((\<otimes>) m1) H \<in> H \<rightarrow> M1"
     proof (rule restrictI)
       fix z
       assume zH: "z \<in> H"
--- a/src/HOL/Algebra/UnivPoly.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Algebra/UnivPoly.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1808,7 +1808,7 @@
 
 definition
   INTEG :: "int ring"
-  where "INTEG = \<lparr>carrier = UNIV, mult = op *, one = 1, zero = 0, add = (op +)\<rparr>"
+  where "INTEG = \<lparr>carrier = UNIV, mult = ( * ), one = 1, zero = 0, add = (+)\<rparr>"
 
 lemma INTEG_cring: "cring INTEG"
   by (unfold INTEG_def) (auto intro!: cringI abelian_groupI comm_monoidI
--- a/src/HOL/Analysis/Ball_Volume.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Ball_Volume.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -144,7 +144,7 @@
        (auto simp: mult_ac ennreal_mult' [symmetric] indicator_def intro!: nn_integral_cong)
   also have "(\<integral>\<^sup>+ (y::real). indicator {-r..r} y * (sqrt (r ^ 2 - y ^ 2)) ^ card A \<partial>lborel) =
                (\<integral>\<^sup>+ (y::real). r ^ card A * indicator {-1..1} y * (sqrt (1 - y ^ 2)) ^ card A  
-               \<partial>(distr lborel borel (op * (1/r))))" using \<open>r > 0\<close>
+               \<partial>(distr lborel borel (( * ) (1/r))))" using \<open>r > 0\<close>
     by (subst nn_integral_distr)
        (auto simp: indicator_def field_simps real_sqrt_divide intro!: nn_integral_cong)
   also have "\<dots> = (\<integral>\<^sup>+ x. ennreal (r ^ Suc (card A)) * 
--- a/src/HOL/Analysis/Binary_Product_Measure.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Binary_Product_Measure.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -163,7 +163,7 @@
 
 lemma measurable_split_conv:
   "(\<lambda>(x, y). f x y) \<in> measurable A B \<longleftrightarrow> (\<lambda>x. f (fst x) (snd x)) \<in> measurable A B"
-  by (intro arg_cong2[where f="op \<in>"]) auto
+  by (intro arg_cong2[where f="(\<in>)"]) auto
 
 lemma measurable_pair_swap': "(\<lambda>(x,y). (y, x)) \<in> measurable (M1 \<Otimes>\<^sub>M M2) (M2 \<Otimes>\<^sub>M M1)"
   by (auto intro!: measurable_Pair simp: measurable_split_conv)
--- a/src/HOL/Analysis/Bochner_Integration.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Bochner_Integration.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -497,7 +497,7 @@
   have "ennreal (norm (?s - ?t)) = norm (simple_bochner_integral M (\<lambda>x. s x - t x))"
     using s t by (subst simple_bochner_integral_diff) auto
   also have "\<dots> \<le> simple_bochner_integral M (\<lambda>x. norm (s x - t x))"
-    using simple_bochner_integrable_compose2[of "op -" M "s" "t"] s t
+    using simple_bochner_integrable_compose2[of "(-)" M "s" "t"] s t
     by (auto intro!: simple_bochner_integral_norm_bound)
   also have "\<dots> = (\<integral>\<^sup>+x. norm (s x - t x) \<partial>M)"
     using simple_bochner_integrable_compose2[of "\<lambda>x y. norm (x - y)" M "s" "t"] s t
@@ -1855,7 +1855,7 @@
 
   have sf[measurable]: "\<And>i. simple_function M (s' i)"
     unfolding s'_def using s(1)
-    by (intro simple_function_compose2[where h="op *\<^sub>R"] simple_function_indicator) auto
+    by (intro simple_function_compose2[where h="( *\<^sub>R)"] simple_function_indicator) auto
 
   { fix i
     have "\<And>z. {y. s' i z = y \<and> y \<in> s' i ` space M \<and> y \<noteq> 0 \<and> z \<in> space M} =
@@ -2282,7 +2282,7 @@
   shows "integrable (density M g) f \<longleftrightarrow> integrable M (\<lambda>x. g x *\<^sub>R f x)"
   unfolding integrable_iff_bounded using nn
   apply (simp add: nn_integral_density less_top[symmetric])
-  apply (intro arg_cong2[where f="op ="] refl nn_integral_cong_AE)
+  apply (intro arg_cong2[where f="(=)"] refl nn_integral_cong_AE)
   apply (auto simp: ennreal_mult)
   done
 
--- a/src/HOL/Analysis/Borel_Space.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Borel_Space.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -110,8 +110,8 @@
   show "eventually (\<lambda>h. (f (x + h) - f x) / h \<ge> 0) (at 0)"
   proof (subst eventually_at_topological, intro exI conjI ballI impI)
     have "open (interior A)" by simp
-    hence "open (op + (-x) ` interior A)" by (rule open_translation)
-    also have "(op + (-x) ` interior A) = ?A'" by auto
+    hence "open ((+) (-x) ` interior A)" by (rule open_translation)
+    also have "((+) (-x) ` interior A) = ?A'" by auto
     finally show "open ?A'" .
   next
     from \<open>x \<in> interior A\<close> show "0 \<in> ?A'" by auto
@@ -1701,7 +1701,7 @@
 
 definition [simp]: "is_borel f M \<longleftrightarrow> f \<in> borel_measurable M"
 
-lemma is_borel_transfer[transfer_rule]: "rel_fun (rel_fun op = pcr_ennreal) op = is_borel is_borel"
+lemma is_borel_transfer[transfer_rule]: "rel_fun (rel_fun (=) pcr_ennreal) (=) is_borel is_borel"
   unfolding is_borel_def[abs_def]
 proof (safe intro!: rel_funI ext dest!: rel_fun_eq_pcr_ennreal[THEN iffD1])
   fix f and M :: "'a measure"
--- a/src/HOL/Analysis/Bounded_Linear_Function.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Bounded_Linear_Function.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -569,7 +569,7 @@
 qed (auto simp: assms intro!: blinfun.comp)
 
 lemma transfer_bounded_bilinear_bounded_linear[transfer_rule]:
-  "(rel_fun (rel_fun op = (pcr_blinfun op = op =)) op =) bounded_bilinear bounded_linear"
+  "(rel_fun (rel_fun (=) (pcr_blinfun (=) (=))) (=)) bounded_bilinear bounded_linear"
   by (auto simp: pcr_blinfun_def cr_blinfun_def rel_fun_def OO_def
     intro!: transfer_bounded_bilinear_bounded_linearI)
 
@@ -623,7 +623,7 @@
 lift_definition blinfun_compose::
   "'a::real_normed_vector \<Rightarrow>\<^sub>L 'b::real_normed_vector \<Rightarrow>
     'c::real_normed_vector \<Rightarrow>\<^sub>L 'a \<Rightarrow>
-    'c \<Rightarrow>\<^sub>L 'b" (infixl "o\<^sub>L" 55) is "op o"
+    'c \<Rightarrow>\<^sub>L 'b" (infixl "o\<^sub>L" 55) is "(o)"
   parametric comp_transfer
   unfolding o_def
   by (rule bounded_linear_compose)
@@ -635,7 +635,7 @@
   "norm (f o\<^sub>L g) \<le> norm f * norm g"
   by transfer (rule onorm_compose)
 
-lemma bounded_bilinear_blinfun_compose[bounded_bilinear]: "bounded_bilinear op o\<^sub>L"
+lemma bounded_bilinear_blinfun_compose[bounded_bilinear]: "bounded_bilinear (o\<^sub>L)"
   by unfold_locales
     (auto intro!: blinfun_eqI exI[where x=1] simp: blinfun.bilinear_simps norm_blinfun_compose)
 
@@ -645,7 +645,7 @@
   by (auto simp: blinfun.bilinear_simps intro!: blinfun_eqI)
 
 
-lift_definition blinfun_inner_right::"'a::real_inner \<Rightarrow> 'a \<Rightarrow>\<^sub>L real" is "op \<bullet>"
+lift_definition blinfun_inner_right::"'a::real_inner \<Rightarrow> 'a \<Rightarrow>\<^sub>L real" is "(\<bullet>)"
   by (rule bounded_linear_inner_right)
 declare blinfun_inner_right.rep_eq[simp]
 
@@ -661,7 +661,7 @@
   by transfer (rule bounded_bilinear.flip[OF bounded_bilinear_inner])
 
 
-lift_definition blinfun_scaleR_right::"real \<Rightarrow> 'a \<Rightarrow>\<^sub>L 'a::real_normed_vector" is "op *\<^sub>R"
+lift_definition blinfun_scaleR_right::"real \<Rightarrow> 'a \<Rightarrow>\<^sub>L 'a::real_normed_vector" is "( *\<^sub>R)"
   by (rule bounded_linear_scaleR_right)
 declare blinfun_scaleR_right.rep_eq[simp]
 
@@ -677,7 +677,7 @@
   by transfer (rule bounded_bilinear.flip[OF bounded_bilinear_scaleR])
 
 
-lift_definition blinfun_mult_right::"'a \<Rightarrow> 'a \<Rightarrow>\<^sub>L 'a::real_normed_algebra" is "op *"
+lift_definition blinfun_mult_right::"'a \<Rightarrow> 'a \<Rightarrow>\<^sub>L 'a::real_normed_algebra" is "( * )"
   by (rule bounded_linear_mult_right)
 declare blinfun_mult_right.rep_eq[simp]
 
--- a/src/HOL/Analysis/Brouwer_Fixpoint.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Brouwer_Fixpoint.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -146,7 +146,7 @@
     by (subst card_Un_disjoint[symmetric])
        (auto simp: nF_def intro!: sum.cong arg_cong[where f=card])
   also have "\<dots> = 1 * card {f\<in>F. compo' f \<and> bnd f} + 2 * card {f\<in>F. compo' f \<and> \<not> bnd f}"
-    using assms(4,5) by (fastforce intro!: arg_cong2[where f="op +"] sum_multicount)
+    using assms(4,5) by (fastforce intro!: arg_cong2[where f="(+)"] sum_multicount)
   finally have "odd ((\<Sum>s | s \<in> S \<and> \<not> compo s. nF s) + card {s\<in>S. compo s})"
     using assms(6,8) by simp
   moreover have "(\<Sum>s | s \<in> S \<and> \<not> compo s. nF s) =
@@ -4221,13 +4221,13 @@
         show "ANR (C \<inter> \<Union>\<U>)"
           unfolding Int_Union
         proof (rule Suc)
-          show "finite (op \<inter> C ` \<U>)"
+          show "finite ((\<inter>) C ` \<U>)"
             by (simp add: insert.hyps(1))
-          show "\<And>Ca. Ca \<in> op \<inter> C ` \<U> \<Longrightarrow> closed Ca"
+          show "\<And>Ca. Ca \<in> (\<inter>) C ` \<U> \<Longrightarrow> closed Ca"
             by (metis (no_types, hide_lams) Suc.prems(2) closed_Int subsetD imageE insert.prems insertI1 insertI2)
-          show "\<And>Ca. Ca \<in> op \<inter> C ` \<U> \<Longrightarrow> convex Ca"
+          show "\<And>Ca. Ca \<in> (\<inter>) C ` \<U> \<Longrightarrow> convex Ca"
             by (metis (mono_tags, lifting) Suc.prems(3) convex_Int imageE insert.prems insert_subset subsetCE)
-          show "card (op \<inter> C ` \<U>) < n"
+          show "card ((\<inter>) C ` \<U>) < n"
           proof -
             have "card \<T> \<le> n"
               by (meson Suc.prems(4) not_less not_less_eq)
--- a/src/HOL/Analysis/Cartesian_Euclidean_Space.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Cartesian_Euclidean_Space.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -39,7 +39,7 @@
 instantiation vec :: (times, finite) times
 begin
 
-definition "op * \<equiv> (\<lambda> x y.  (\<chi> i. (x$i) * (y$i)))"
+definition "( * ) \<equiv> (\<lambda> x y.  (\<chi> i. (x$i) * (y$i)))"
 instance ..
 
 end
@@ -714,9 +714,9 @@
       unfolding matrix_vector_mul_assoc B matrix_vector_mul_lid . }
   moreover
   { assume A: "\<forall>x y. A *v x = A *v y \<longrightarrow> x = y"
-    hence i: "inj (op *v A)" unfolding inj_on_def by auto
+    hence i: "inj (( *v) A)" unfolding inj_on_def by auto
     from linear_injective_left_inverse[OF matrix_vector_mul_linear i]
-    obtain g where g: "linear g" "g \<circ> op *v A = id" by blast
+    obtain g where g: "linear g" "g \<circ> ( *v) A = id" by blast
     have "matrix g ** A = mat 1"
       unfolding matrix_eq matrix_vector_mul_lid matrix_vector_mul_assoc[symmetric] matrix_works[OF g(1)]
       using g(2) by (simp add: fun_eq_iff)
@@ -738,11 +738,11 @@
     { fix x :: "real ^ 'm"
       have "A *v (B *v x) = x"
         by (simp add: matrix_vector_mul_lid matrix_vector_mul_assoc AB) }
-    hence "surj (op *v A)" unfolding surj_def by metis }
+    hence "surj (( *v) A)" unfolding surj_def by metis }
   moreover
-  { assume sf: "surj (op *v A)"
+  { assume sf: "surj (( *v) A)"
     from linear_surjective_right_inverse[OF matrix_vector_mul_linear sf]
-    obtain g:: "real ^'m \<Rightarrow> real ^'n" where g: "linear g" "op *v A \<circ> g = id"
+    obtain g:: "real ^'m \<Rightarrow> real ^'n" where g: "linear g" "( *v) A \<circ> g = id"
       by blast
 
     have "A ** (matrix g) = mat 1"
@@ -878,7 +878,7 @@
 proof -
   { fix A A' :: "real ^'n^'n"
     assume AA': "A ** A' = mat 1"
-    have sA: "surj (op *v A)"
+    have sA: "surj (( *v) A)"
       unfolding surj_def
       apply clarify
       apply (rule_tac x="(A' *v y)" in exI)
@@ -1235,7 +1235,7 @@
     where "finite s" "cbox (x - (\<chi> i. d)) (x + (\<chi> i. d)) = convex hull s"
 proof -
   from assms obtain s where "finite s"
-    and "cbox (x - sum (op *\<^sub>R d) Basis) (x + sum (op *\<^sub>R d) Basis) = convex hull s"
+    and "cbox (x - sum (( *\<^sub>R) d) Basis) (x + sum (( *\<^sub>R) d) Basis) = convex hull s"
     by (rule cube_convex_hull)
   with that[of s] show thesis
     by (simp add: const_vector_cart)
--- a/src/HOL/Analysis/Cauchy_Integral_Theorem.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Cauchy_Integral_Theorem.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -236,7 +236,7 @@
 
 lemma continuous_on_joinpaths_D1:
     "continuous_on {0..1} (g1 +++ g2) \<Longrightarrow> continuous_on {0..1} g1"
-  apply (rule continuous_on_eq [of _ "(g1 +++ g2) o (op*(inverse 2))"])
+  apply (rule continuous_on_eq [of _ "(g1 +++ g2) o (( * )(inverse 2))"])
   apply (rule continuous_intros | simp)+
   apply (auto elim!: continuous_on_subset simp: joinpaths_def)
   done
@@ -251,10 +251,10 @@
 lemma piecewise_differentiable_D1:
     "(g1 +++ g2) piecewise_differentiable_on {0..1} \<Longrightarrow> g1 piecewise_differentiable_on {0..1}"
   apply (clarsimp simp add: piecewise_differentiable_on_def dest!: continuous_on_joinpaths_D1)
-  apply (rule_tac x="insert 1 ((op*2)`s)" in exI)
+  apply (rule_tac x="insert 1 ((( * )2)`s)" in exI)
   apply simp
   apply (intro ballI)
-  apply (rule_tac d="dist (x/2) (1/2)" and f = "(g1 +++ g2) o (op*(inverse 2))"
+  apply (rule_tac d="dist (x/2) (1/2)" and f = "(g1 +++ g2) o (( * )(inverse 2))"
        in differentiable_transform_within)
   apply (auto simp: dist_real_def joinpaths_def)
   apply (rule differentiable_chain_within derivative_intros | simp)+
@@ -537,40 +537,40 @@
              and co12: "continuous_on ({0..1} - s) (\<lambda>x. vector_derivative (g1 +++ g2) (at x))"
              and g12D: "\<forall>x\<in>{0..1} - s. g1 +++ g2 differentiable at x"
     using assms  by (auto simp: piecewise_C1_differentiable_on_def C1_differentiable_on_eq)
-  then have g1D: "g1 differentiable at x" if "x \<in> {0..1} - insert 1 (op * 2 ` s)" for x
-    apply (rule_tac d="dist (x/2) (1/2)" and f = "(g1 +++ g2) o (op*(inverse 2))" in differentiable_transform_within)
+  then have g1D: "g1 differentiable at x" if "x \<in> {0..1} - insert 1 (( * ) 2 ` s)" for x
+    apply (rule_tac d="dist (x/2) (1/2)" and f = "(g1 +++ g2) o (( * )(inverse 2))" in differentiable_transform_within)
     using that
     apply (simp_all add: dist_real_def joinpaths_def)
     apply (rule differentiable_chain_at derivative_intros | force)+
     done
-  have [simp]: "vector_derivative (g1 \<circ> op * 2) (at (x/2)) = 2 *\<^sub>R vector_derivative g1 (at x)"
-               if "x \<in> {0..1} - insert 1 (op * 2 ` s)" for x
+  have [simp]: "vector_derivative (g1 \<circ> ( * ) 2) (at (x/2)) = 2 *\<^sub>R vector_derivative g1 (at x)"
+               if "x \<in> {0..1} - insert 1 (( * ) 2 ` s)" for x
     apply (subst vector_derivative_chain_at)
     using that
     apply (rule derivative_eq_intros g1D | simp)+
     done
   have "continuous_on ({0..1/2} - insert (1/2) s) (\<lambda>x. vector_derivative (g1 +++ g2) (at x))"
     using co12 by (rule continuous_on_subset) force
-  then have coDhalf: "continuous_on ({0..1/2} - insert (1/2) s) (\<lambda>x. vector_derivative (g1 o op*2) (at x))"
+  then have coDhalf: "continuous_on ({0..1/2} - insert (1/2) s) (\<lambda>x. vector_derivative (g1 o ( * )2) (at x))"
     apply (rule continuous_on_eq [OF _ vector_derivative_at])
-    apply (rule_tac f="g1 o op*2" and d="dist x (1/2)" in has_vector_derivative_transform_within)
+    apply (rule_tac f="g1 o ( * )2" and d="dist x (1/2)" in has_vector_derivative_transform_within)
     apply (simp_all add: dist_norm joinpaths_def vector_derivative_works [symmetric])
     apply (force intro: g1D differentiable_chain_at)
     apply auto
     done
-  have "continuous_on ({0..1} - insert 1 (op * 2 ` s))
-                      ((\<lambda>x. 1/2 * vector_derivative (g1 o op*2) (at x)) o op*(1/2))"
+  have "continuous_on ({0..1} - insert 1 (( * ) 2 ` s))
+                      ((\<lambda>x. 1/2 * vector_derivative (g1 o ( * )2) (at x)) o ( * )(1/2))"
     apply (rule continuous_intros)+
     using coDhalf
     apply (simp add: scaleR_conv_of_real image_set_diff image_image)
     done
-  then have con_g1: "continuous_on ({0..1} - insert 1 (op * 2 ` s)) (\<lambda>x. vector_derivative g1 (at x))"
+  then have con_g1: "continuous_on ({0..1} - insert 1 (( * ) 2 ` s)) (\<lambda>x. vector_derivative g1 (at x))"
     by (rule continuous_on_eq) (simp add: scaleR_conv_of_real)
   have "continuous_on {0..1} g1"
     using continuous_on_joinpaths_D1 assms piecewise_C1_differentiable_on_def by blast
   with \<open>finite s\<close> show ?thesis
     apply (clarsimp simp add: piecewise_C1_differentiable_on_def C1_differentiable_on_eq)
-    apply (rule_tac x="insert 1 ((op*2)`s)" in exI)
+    apply (rule_tac x="insert 1 ((( * )2)`s)" in exI)
     apply (simp add: g1D con_g1)
   done
 qed
@@ -785,7 +785,7 @@
 proof -
   obtain s where "finite s" "g C1_differentiable_on ({0..1} - s)"
     using assms by (auto simp: valid_path_def piecewise_C1_differentiable_on_def)
-  then have "finite (op - 1 ` s)" "(reversepath g C1_differentiable_on ({0..1} - op - 1 ` s))"
+  then have "finite ((-) 1 ` s)" "(reversepath g C1_differentiable_on ({0..1} - (-) 1 ` s))"
     apply (auto simp: reversepath_def)
     apply (rule C1_differentiable_compose [of "\<lambda>x::real. 1-x" _ g, unfolded o_def])
     apply (auto simp: C1_differentiable_on_eq)
@@ -805,7 +805,7 @@
     shows "(f has_contour_integral (-i)) (reversepath g)"
 proof -
   { fix s x
-    assume xs: "g C1_differentiable_on ({0..1} - s)" "x \<notin> op - 1 ` s" "0 \<le> x" "x \<le> 1"
+    assume xs: "g C1_differentiable_on ({0..1} - s)" "x \<notin> (-) 1 ` s" "0 \<le> x" "x \<le> 1"
       have "vector_derivative (\<lambda>x. g (1 - x)) (at x within {0..1}) =
             - vector_derivative g (at (1 - x) within {0..1})"
       proof -
@@ -870,7 +870,7 @@
     using assms
     apply (auto simp: valid_path_def piecewise_C1_differentiable_on_def continuous_on_joinpaths)
     apply (rule continuous_intros | simp)+
-    apply (force intro: finite_vimageI [where h = "op*2"] inj_onI)
+    apply (force intro: finite_vimageI [where h = "( * )2"] inj_onI)
     done
   moreover have "(g2 o (\<lambda>x. 2*x-1)) piecewise_C1_differentiable_on {1/2..1}"
     apply (rule piecewise_C1_differentiable_compose)
@@ -941,9 +941,9 @@
     apply (auto simp: algebra_simps vector_derivative_works)
     done
   have "((\<lambda>x. f ((g1 +++ g2) x) * vector_derivative (g1 +++ g2) (at x)) has_integral i1) {0..1/2}"
-    apply (rule has_integral_spike_finite [OF _ _ i1, of "insert (1/2) (op*2 -` s1)"])
+    apply (rule has_integral_spike_finite [OF _ _ i1, of "insert (1/2) (( * )2 -` s1)"])
     using s1
-    apply (force intro: finite_vimageI [where h = "op*2"] inj_onI)
+    apply (force intro: finite_vimageI [where h = "( * )2"] inj_onI)
     apply (clarsimp simp add: joinpaths_def scaleR_conv_of_real mult_ac g1)
     done
   moreover have "((\<lambda>x. f ((g1 +++ g2) x) * vector_derivative (g1 +++ g2) (at x)) has_integral i2) {1/2..1}"
@@ -1437,7 +1437,7 @@
       by (simp add: has_vector_derivative_def scaleR_conv_of_real)
     have "(f has_field_derivative (f' (g x))) (at (g x) within g ` {a..b})"
       using assms by (metis a atLeastAtMost_iff b DERIV_subset image_subset_iff less_eq_real_def)
-    then have fdiff: "(f has_derivative op * (f' (g x))) (at (g x) within g ` {a..b})"
+    then have fdiff: "(f has_derivative ( * ) (f' (g x))) (at (g x) within g ` {a..b})"
       by (simp add: has_field_derivative_def)
     have "((\<lambda>x. f (g x)) has_vector_derivative f' (g x) * vector_derivative g (at x within {a..b})) (at x within {a..b})"
       using diff_chain_within [OF gdiff fdiff]
@@ -3589,11 +3589,11 @@
   assumes \<gamma>: "valid_path \<gamma>" and 0: "0 \<notin> path_image \<gamma>"
   shows "winding_number(uminus \<circ> \<gamma>) 0 = winding_number \<gamma> 0"
 proof -
-  have "op / 1 contour_integrable_on \<gamma>"
+  have "(/) 1 contour_integrable_on \<gamma>"
     using "0" \<gamma> contour_integrable_inversediff by fastforce
-  then have "((\<lambda>z. 1/z) has_contour_integral contour_integral \<gamma> (op / 1)) \<gamma>"
+  then have "((\<lambda>z. 1/z) has_contour_integral contour_integral \<gamma> ((/) 1)) \<gamma>"
     by (rule has_contour_integral_integral)
-  then have "((\<lambda>z. 1 / - z) has_contour_integral - contour_integral \<gamma> (op / 1)) \<gamma>"
+  then have "((\<lambda>z. 1 / - z) has_contour_integral - contour_integral \<gamma> ((/) 1)) \<gamma>"
     using has_contour_integral_neg by auto
   then show ?thesis
     using assms
@@ -5914,7 +5914,7 @@
   case 0 then show ?case by simp
 next
   case (Suc n z)
-  have holo0: "f holomorphic_on op * u ` s"
+  have holo0: "f holomorphic_on ( * ) u ` s"
     by (meson fg f holomorphic_on_subset image_subset_iff)
   have holo1: "(\<lambda>w. f (u * w)) holomorphic_on s"
     apply (rule holomorphic_on_compose [where g=f, unfolded o_def])
@@ -5942,7 +5942,7 @@
     apply (blast intro: fg)
     done
   also have "... = u * u ^ n * deriv ((deriv ^^ n) f) (u * z)"
-      apply (subst complex_derivative_chain [where g = "(deriv ^^ n) f" and f = "op* u", unfolded o_def])
+      apply (subst complex_derivative_chain [where g = "(deriv ^^ n) f" and f = "( * ) u", unfolded o_def])
       apply (rule derivative_intros)
       using Suc.prems field_differentiable_def f fg has_field_derivative_higher_deriv t apply blast
       apply (simp add: deriv_linear)
--- a/src/HOL/Analysis/Complex_Analysis_Basics.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Complex_Analysis_Basics.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -16,7 +16,7 @@
 
 lemma has_derivative_mult_right:
   fixes c:: "'a :: real_normed_algebra"
-  shows "((op * c) has_derivative (op * c)) F"
+  shows "((( * ) c) has_derivative (( * ) c)) F"
 by (rule has_derivative_mult_right [OF has_derivative_id])
 
 lemma has_derivative_of_real[derivative_intros, simp]:
@@ -25,7 +25,7 @@
 
 lemma has_vector_derivative_real_field:
   "DERIV f (of_real a) :> f' \<Longrightarrow> ((\<lambda>x. f (of_real x)) has_vector_derivative f') (at a within s)"
-  using has_derivative_compose[of of_real of_real a _ f "op * f'"]
+  using has_derivative_compose[of of_real of_real a _ f "( * ) f'"]
   by (simp add: scaleR_conv_of_real ac_simps has_vector_derivative_def has_field_derivative_def)
 lemmas has_vector_derivative_real_complex = has_vector_derivative_real_field
 
@@ -69,10 +69,10 @@
     shows  "b \<le> Im(l)"
   by (metis assms tendsto_le [OF _ _ tendsto_const]  tendsto_Im)
 
-lemma lambda_zero: "(\<lambda>h::'a::mult_zero. 0) = op * 0"
+lemma lambda_zero: "(\<lambda>h::'a::mult_zero. 0) = ( * ) 0"
   by auto
 
-lemma lambda_one: "(\<lambda>x::'a::monoid_mult. x) = op * 1"
+lemma lambda_one: "(\<lambda>x::'a::monoid_mult. x) = ( * ) 1"
   by auto
 
 lemma continuous_mult_left:
@@ -315,7 +315,7 @@
 lemma holomorphic_cong: "s = t ==> (\<And>x. x \<in> s \<Longrightarrow> f x = g x) \<Longrightarrow> f holomorphic_on s \<longleftrightarrow> g holomorphic_on t"
   by (metis holomorphic_transform)
 
-lemma holomorphic_on_linear [simp, holomorphic_intros]: "(op * c) holomorphic_on s"
+lemma holomorphic_on_linear [simp, holomorphic_intros]: "(( * ) c) holomorphic_on s"
   unfolding holomorphic_on_def by (metis field_differentiable_linear)
 
 lemma holomorphic_on_const [simp, holomorphic_intros]: "(\<lambda>z. c) holomorphic_on s"
@@ -570,7 +570,7 @@
   finally show ?thesis .
 qed
 
-lemma analytic_on_linear [analytic_intros,simp]: "(op * c) analytic_on s"
+lemma analytic_on_linear [analytic_intros,simp]: "(( * ) c) analytic_on s"
   by (auto simp add: analytic_on_holomorphic)
 
 lemma analytic_on_const [analytic_intros,simp]: "(\<lambda>z. c) analytic_on s"
@@ -839,7 +839,7 @@
   show ?thesis
   unfolding has_field_derivative_def
   proof (rule has_derivative_sequence [OF cvs _ _ x])
-    show "\<forall>n. \<forall>x\<in>s. (f n has_derivative (op * (f' n x))) (at x within s)"
+    show "\<forall>n. \<forall>x\<in>s. (f n has_derivative (( * ) (f' n x))) (at x within s)"
       by (metis has_field_derivative_def df)
   next show "(\<lambda>n. f n x) \<longlonglongrightarrow> l"
     by (rule tf)
@@ -906,9 +906,9 @@
   then obtain g where g: "\<And>x. x \<in> s \<Longrightarrow> (\<lambda>n. f n x) sums g x"
     "\<And>x. x \<in> s \<Longrightarrow> (g has_field_derivative g' x) (at x within s)" by blast
   from g[OF x] show "summable (\<lambda>n. f n x)" by (auto simp: summable_def)
-  from g(2)[OF x] have g': "(g has_derivative op * (g' x)) (at x)"
+  from g(2)[OF x] have g': "(g has_derivative ( * ) (g' x)) (at x)"
     by (simp add: has_field_derivative_def s)
-  have "((\<lambda>x. \<Sum>n. f n x) has_derivative op * (g' x)) (at x)"
+  have "((\<lambda>x. \<Sum>n. f n x) has_derivative ( * ) (g' x)) (at x)"
     by (rule has_derivative_transform_within_open[OF g' \<open>open s\<close> x])
        (insert g, auto simp: sums_iff)
   thus "(\<lambda>x. \<Sum>n. f n x) field_differentiable (at x)" unfolding differentiable_def
--- a/src/HOL/Analysis/Conformal_Mappings.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Conformal_Mappings.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1141,10 +1141,10 @@
       done
     with \<open>e>0\<close> show ?thesis by force
   qed
-  have "inj (op * (deriv f \<xi>))"
+  have "inj (( * ) (deriv f \<xi>))"
     using dnz by simp
-  then obtain g' where g': "linear g'" "g' \<circ> op * (deriv f \<xi>) = id"
-    using linear_injective_left_inverse [of "op * (deriv f \<xi>)"]
+  then obtain g' where g': "linear g'" "g' \<circ> ( * ) (deriv f \<xi>) = id"
+    using linear_injective_left_inverse [of "( * ) (deriv f \<xi>)"]
     by (auto simp: linear_times)
   show ?thesis
     apply (rule has_derivative_locally_injective [OF S, where f=f and f' = "\<lambda>z h. deriv f z * h" and g' = g'])
@@ -2093,10 +2093,10 @@
     apply (simp add: C_def False fo)
     apply (simp add: derivative_intros dfa complex_derivative_chain)
     done
-  have sb1: "op * (C * r) ` (\<lambda>z. f (a + of_real r * z) / (C * r)) ` ball 0 1
+  have sb1: "( * ) (C * r) ` (\<lambda>z. f (a + of_real r * z) / (C * r)) ` ball 0 1
              \<subseteq> f ` ball a r"
     using \<open>0 < r\<close> by (auto simp: dist_norm norm_mult C_def False)
-  have sb2: "ball (C * r * b) r' \<subseteq> op * (C * r) ` ball b t"
+  have sb2: "ball (C * r * b) r' \<subseteq> ( * ) (C * r) ` ball b t"
              if "1 / 12 < t" for b t
   proof -
     have *: "r * cmod (deriv f a) / 12 \<le> r * (t * cmod (deriv f a))"
@@ -2602,7 +2602,7 @@
     by (metis DiffD2 Ints_cases insertI1 subset_eq valid_path_imp_path)
   define p_circ where "p_circ \<equiv> circlepath p (h p)"
   define p_circ_pt where "p_circ_pt \<equiv> linepath (p+h p) (p+h p)"
-  define n_circ where "n_circ \<equiv> \<lambda>n. (op +++ p_circ ^^ n) p_circ_pt"
+  define n_circ where "n_circ \<equiv> \<lambda>n. ((+++) p_circ ^^ n) p_circ_pt"
   define cp where "cp \<equiv> if n\<ge>0 then reversepath (n_circ (nat n)) else n_circ (nat (- n))"
   have n_circ:"valid_path (n_circ k)"
       "winding_number (n_circ k) p = k"
@@ -3861,7 +3861,7 @@
           then show "h field_differentiable at (\<gamma> x)" 
             unfolding t_def field_differentiable_def by blast
         qed
-      then have " (op / 1 has_contour_integral 0) (h \<circ> \<gamma>)
+      then have " ((/) 1 has_contour_integral 0) (h \<circ> \<gamma>)
           = ((\<lambda>x. deriv h x / h x) has_contour_integral 0) \<gamma>"
         unfolding has_contour_integral
         apply (intro has_integral_spike_eq[OF negligible_finite, OF \<open>finite spikes\<close>])
--- a/src/HOL/Analysis/Connected.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Connected.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -2165,14 +2165,14 @@
         unfolding dist_norm
         using norm_scaleR[of c "(1 / c) *\<^sub>R y - x", unfolded scaleR_right_diff_distrib, unfolded scaleR_scaleR] assms(1)
           assms(1)[unfolded zero_less_abs_iff[symmetric]] by (simp del:zero_less_abs_iff)
-      then have "y \<in> op *\<^sub>R c ` s"
-        using rev_image_eqI[of "(1 / c) *\<^sub>R y" s y "op *\<^sub>R c"]
+      then have "y \<in> ( *\<^sub>R) c ` s"
+        using rev_image_eqI[of "(1 / c) *\<^sub>R y" s y "( *\<^sub>R) c"]
         using e[THEN spec[where x="(1 / c) *\<^sub>R y"]]
         using assms(1)
         unfolding dist_norm scaleR_scaleR
         by auto
     }
-    ultimately have "\<exists>e>0. \<forall>x'. dist x' (c *\<^sub>R x) < e \<longrightarrow> x' \<in> op *\<^sub>R c ` s"
+    ultimately have "\<exists>e>0. \<forall>x'. dist x' (c *\<^sub>R x) < e \<longrightarrow> x' \<in> ( *\<^sub>R) c ` s"
       apply (rule_tac x="e * \<bar>c\<bar>" in exI, auto)
       done
   }
@@ -2199,7 +2199,7 @@
     have "continuous (at x) (\<lambda>x. x - a)"
       by (intro continuous_diff continuous_ident continuous_const)
   }
-  moreover have "{x. x - a \<in> S} = op + a ` S"
+  moreover have "{x. x - a \<in> S} = (+) a ` S"
     by force
   ultimately show ?thesis
     by (metis assms continuous_open_vimage vimage_def)
@@ -2212,10 +2212,10 @@
 proof -
   have *: "(\<lambda>x. a + c *\<^sub>R x) = (\<lambda>x. a + x) \<circ> (\<lambda>x. c *\<^sub>R x)"
     unfolding o_def ..
-  have "op + a ` op *\<^sub>R c ` S = (op + a \<circ> op *\<^sub>R c) ` S"
+  have "(+) a ` ( *\<^sub>R) c ` S = ((+) a \<circ> ( *\<^sub>R) c) ` S"
     by auto
   then show ?thesis
-    using assms open_translation[of "op *\<^sub>R c ` S" a]
+    using assms open_translation[of "( *\<^sub>R) c ` S" a]
     unfolding *
     by auto
 qed
@@ -2225,13 +2225,13 @@
   shows "interior ((\<lambda>x. a + x) ` S) = (\<lambda>x. a + x) ` (interior S)"
 proof (rule set_eqI, rule)
   fix x
-  assume "x \<in> interior (op + a ` S)"
-  then obtain e where "e > 0" and e: "ball x e \<subseteq> op + a ` S"
+  assume "x \<in> interior ((+) a ` S)"
+  then obtain e where "e > 0" and e: "ball x e \<subseteq> (+) a ` S"
     unfolding mem_interior by auto
   then have "ball (x - a) e \<subseteq> S"
     unfolding subset_eq Ball_def mem_ball dist_norm
     by (auto simp: diff_diff_eq)
-  then show "x \<in> op + a ` interior S"
+  then show "x \<in> (+) a ` interior S"
     unfolding image_iff
     apply (rule_tac x="x - a" in bexI)
     unfolding mem_interior
@@ -2240,7 +2240,7 @@
     done
 next
   fix x
-  assume "x \<in> op + a ` interior S"
+  assume "x \<in> (+) a ` interior S"
   then obtain y e where "e > 0" and e: "ball y e \<subseteq> S" and y: "x = a + y"
     unfolding image_iff Bex_def mem_interior by auto
   {
@@ -2251,12 +2251,12 @@
       using e[unfolded subset_eq, THEN bspec[where x="z - a"]]
       unfolding mem_ball dist_norm y group_add_class.diff_diff_eq2 *
       by auto
-    then have "z \<in> op + a ` S"
+    then have "z \<in> (+) a ` S"
       unfolding image_iff by (auto intro!: bexI[where x="z - a"])
   }
-  then have "ball x e \<subseteq> op + a ` S"
+  then have "ball x e \<subseteq> (+) a ` S"
     unfolding subset_eq by auto
-  then show "x \<in> interior (op + a ` S)"
+  then show "x \<in> interior ((+) a ` S)"
     unfolding mem_interior using \<open>e > 0\<close> by auto
 qed
 
@@ -2574,7 +2574,7 @@
   assumes "compact s"
   shows "compact ((\<lambda>x. a + c *\<^sub>R x) ` s)"
 proof -
-  have "op + a ` op *\<^sub>R c ` s = (\<lambda>x. a + c *\<^sub>R x) ` s"
+  have "(+) a ` ( *\<^sub>R) c ` s = (\<lambda>x. a + c *\<^sub>R x) ` s"
     by auto
   then show ?thesis
     using compact_translation[OF compact_scaling[OF assms], of a c] by auto
@@ -3007,7 +3007,7 @@
   assumes "closed S"
   shows "closed ((\<lambda>x. a + x) ` S)"
 proof -
-  have "(\<Union>x\<in> {a}. \<Union>y \<in> S. {x + y}) = (op + a ` S)" by auto
+  have "(\<Union>x\<in> {a}. \<Union>y \<in> S. {x + y}) = ((+) a ` S)" by auto
   then show ?thesis
     using compact_closed_sums[OF compact_sing[of a] assms] by auto
 qed
@@ -3038,7 +3038,7 @@
   fixes a :: "'a::real_normed_vector"
   shows "closure ((\<lambda>x. a + x) ` s) = (\<lambda>x. a + x) ` (closure s)"
 proof -
-  have *: "op + a ` (- s) = - op + a ` s"
+  have *: "(+) a ` (- s) = - (+) a ` s"
     apply auto
     unfolding image_iff
     apply (rule_tac x="x - a" in bexI, auto)
@@ -3058,7 +3058,7 @@
 
 lemma sphere_translation:
   fixes a :: "'n::euclidean_space"
-  shows "sphere (a+c) r = op+ a ` sphere c r"
+  shows "sphere (a+c) r = (+) a ` sphere c r"
 apply safe
 apply (rule_tac x="x-a" in image_eqI)
 apply (auto simp: dist_norm algebra_simps)
@@ -3066,7 +3066,7 @@
 
 lemma cball_translation:
   fixes a :: "'n::euclidean_space"
-  shows "cball (a+c) r = op+ a ` cball c r"
+  shows "cball (a+c) r = (+) a ` cball c r"
 apply safe
 apply (rule_tac x="x-a" in image_eqI)
 apply (auto simp: dist_norm algebra_simps)
@@ -3074,7 +3074,7 @@
 
 lemma ball_translation:
   fixes a :: "'n::euclidean_space"
-  shows "ball (a+c) r = op+ a ` ball c r"
+  shows "ball (a+c) r = (+) a ` ball c r"
 apply safe
 apply (rule_tac x="x-a" in image_eqI)
 apply (auto simp: dist_norm algebra_simps)
@@ -3420,7 +3420,7 @@
 
 lemma homeomorphism_translation:
   fixes a :: "'a :: real_normed_vector"
-  shows "homeomorphism (op + a ` S) S (op + (- a)) (op + a)"
+  shows "homeomorphism ((+) a ` S) S ((+) (- a)) ((+) a)"
 unfolding homeomorphism_def by (auto simp: algebra_simps continuous_intros)
 
 lemma homeomorphism_ident: "homeomorphism T T (\<lambda>a. a) (\<lambda>a. a)"
@@ -3639,7 +3639,7 @@
   assumes "c \<noteq> 0"
   shows "s homeomorphic ((\<lambda>x. a + c *\<^sub>R x) ` s)"
 proof -
-  have *: "op + a ` op *\<^sub>R c ` s = (\<lambda>x. a + c *\<^sub>R x) ` s" by auto
+  have *: "(+) a ` ( *\<^sub>R) c ` s = (\<lambda>x. a + c *\<^sub>R x) ` s" by auto
   show ?thesis
     using homeomorphic_trans
     using homeomorphic_scaling[OF assms, of s]
@@ -4540,9 +4540,9 @@
     proof
       show "countable ((\<lambda>C. S \<inter> C) ` \<C>)"
         by (simp add: \<open>countable \<C>\<close>)
-      show "\<And>C. C \<in> op \<inter> S ` \<C> \<Longrightarrow> openin (subtopology euclidean S) C"
+      show "\<And>C. C \<in> (\<inter>) S ` \<C> \<Longrightarrow> openin (subtopology euclidean S) C"
         using ope by auto
-      show "\<And>T. openin (subtopology euclidean S) T \<Longrightarrow> \<exists>\<U>\<subseteq>op \<inter> S ` \<C>. T = \<Union>\<U>"
+      show "\<And>T. openin (subtopology euclidean S) T \<Longrightarrow> \<exists>\<U>\<subseteq>(\<inter>) S ` \<C>. T = \<Union>\<U>"
         by (metis \<C> image_mono inf_Sup openin_open)
     qed
   qed
--- a/src/HOL/Analysis/Convex_Euclidean_Space.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Convex_Euclidean_Space.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -124,7 +124,7 @@
   by (rule ccontr) auto
 
 lemma subset_translation_eq [simp]:
-    fixes a :: "'a::real_vector" shows "op + a ` s \<subseteq> op + a ` t \<longleftrightarrow> s \<subseteq> t"
+    fixes a :: "'a::real_vector" shows "(+) a ` s \<subseteq> (+) a ` t \<longleftrightarrow> s \<subseteq> t"
   by auto
 
 lemma translate_inj_on:
@@ -714,7 +714,7 @@
   assumes "convex S"
   shows "convex ((\<lambda>x. a + c *\<^sub>R x) ` S)"
 proof -
-  have "(\<lambda>x. a + c *\<^sub>R x) ` S = op + a ` op *\<^sub>R c ` S"
+  have "(\<lambda>x. a + c *\<^sub>R x) ` S = (+) a ` ( *\<^sub>R) c ` S"
     by auto
   then show ?thesis
     using convex_translation[OF convex_scaling[OF assms], of a c] by auto
@@ -1330,12 +1330,12 @@
 
 lemma closure_scaleR:
   fixes S :: "'a::real_normed_vector set"
-  shows "(op *\<^sub>R c) ` (closure S) = closure ((op *\<^sub>R c) ` S)"
+  shows "(( *\<^sub>R) c) ` (closure S) = closure ((( *\<^sub>R) c) ` S)"
 proof
-  show "(op *\<^sub>R c) ` (closure S) \<subseteq> closure ((op *\<^sub>R c) ` S)"
+  show "(( *\<^sub>R) c) ` (closure S) \<subseteq> closure ((( *\<^sub>R) c) ` S)"
     using bounded_linear_scaleR_right
     by (rule closure_bounded_linear_image_subset)
-  show "closure ((op *\<^sub>R c) ` S) \<subseteq> (op *\<^sub>R c) ` (closure S)"
+  show "closure ((( *\<^sub>R) c) ` S) \<subseteq> (( *\<^sub>R) c) ` (closure S)"
     by (intro closure_minimal image_mono closure_subset closed_scaling closed_closure)
 qed
 
@@ -2154,7 +2154,7 @@
 
 lemma cone_iff:
   assumes "S \<noteq> {}"
-  shows "cone S \<longleftrightarrow> 0 \<in> S \<and> (\<forall>c. c > 0 \<longrightarrow> (op *\<^sub>R c) ` S = S)"
+  shows "cone S \<longleftrightarrow> 0 \<in> S \<and> (\<forall>c. c > 0 \<longrightarrow> (( *\<^sub>R) c) ` S = S)"
 proof -
   {
     assume "cone S"
@@ -2164,7 +2164,7 @@
       {
         fix x
         assume "x \<in> S"
-        then have "x \<in> (op *\<^sub>R c) ` S"
+        then have "x \<in> (( *\<^sub>R) c) ` S"
           unfolding image_def
           using \<open>cone S\<close> \<open>c>0\<close> mem_cone[of S x "1/c"]
             exI[of "(\<lambda>t. t \<in> S \<and> x = c *\<^sub>R t)" "(1 / c) *\<^sub>R x"]
@@ -2173,19 +2173,19 @@
       moreover
       {
         fix x
-        assume "x \<in> (op *\<^sub>R c) ` S"
+        assume "x \<in> (( *\<^sub>R) c) ` S"
         then have "x \<in> S"
           using \<open>cone S\<close> \<open>c > 0\<close>
           unfolding cone_def image_def \<open>c > 0\<close> by auto
       }
-      ultimately have "(op *\<^sub>R c) ` S = S" by auto
+      ultimately have "(( *\<^sub>R) c) ` S = S" by auto
     }
-    then have "0 \<in> S \<and> (\<forall>c. c > 0 \<longrightarrow> (op *\<^sub>R c) ` S = S)"
+    then have "0 \<in> S \<and> (\<forall>c. c > 0 \<longrightarrow> (( *\<^sub>R) c) ` S = S)"
       using \<open>cone S\<close> cone_contains_0[of S] assms by auto
   }
   moreover
   {
-    assume a: "0 \<in> S \<and> (\<forall>c. c > 0 \<longrightarrow> (op *\<^sub>R c) ` S = S)"
+    assume a: "0 \<in> S \<and> (\<forall>c. c > 0 \<longrightarrow> (( *\<^sub>R) c) ` S = S)"
     {
       fix x
       assume "x \<in> S"
@@ -2271,9 +2271,9 @@
   then show ?thesis by auto
 next
   case False
-  then have "0 \<in> S \<and> (\<forall>c. c > 0 \<longrightarrow> op *\<^sub>R c ` S = S)"
+  then have "0 \<in> S \<and> (\<forall>c. c > 0 \<longrightarrow> ( *\<^sub>R) c ` S = S)"
     using cone_iff[of S] assms by auto
-  then have "0 \<in> closure S \<and> (\<forall>c. c > 0 \<longrightarrow> op *\<^sub>R c ` closure S = closure S)"
+  then have "0 \<in> closure S \<and> (\<forall>c. c > 0 \<longrightarrow> ( *\<^sub>R) c ` closure S = closure S)"
     using closure_subset by (auto simp add: closure_scaleR)
   then show ?thesis
     using False cone_iff[of "closure S"] by auto
@@ -3344,7 +3344,7 @@
 proof -
   obtain x where x: "x \<in> S \<and> x \<in> affine hull (S - {x})"
     using assms affine_dependent_def by auto
-  have "op + a ` (S - {x}) = op + a ` S - {a + x}"
+  have "(+) a ` (S - {x}) = (+) a ` S - {a + x}"
     by auto
   then have "a + x \<in> affine hull ((\<lambda>x. a + x) ` S - {a + x})"
     using affine_hull_translation[of a "S - {x}"] x by auto
@@ -3409,7 +3409,7 @@
   assumes "a \<notin> S"
   shows "affine_dependent (insert a S) \<longleftrightarrow> dependent ((\<lambda>x. -a + x) ` S)"
 proof -
-  have "(op + (- a) ` S) = {x - a| x . x : S}" by auto
+  have "((+) (- a) ` S) = {x - a| x . x : S}" by auto
   then show ?thesis
     using affine_dependent_translation_eq[of "(insert a S)" "-a"]
       affine_dependent_imp_dependent2 assms
@@ -3448,7 +3448,7 @@
     then have "insert 0 ((\<lambda>x. -a+x) ` (s - {a})) = (\<lambda>x. -a+x) ` s"
       by auto
     then have "span ((\<lambda>x. -a+x) ` (s - {a}))=span ((\<lambda>x. -a+x) ` s)"
-      using span_insert_0[of "op + (- a) ` (s - {a})"] by (auto simp del: uminus_add_conv_diff)
+      using span_insert_0[of "(+) (- a) ` (s - {a})"] by (auto simp del: uminus_add_conv_diff)
     moreover have "{x - a |x. x \<in> (s - {a})} = ((\<lambda>x. -a+x) ` (s - {a}))"
       by auto
     moreover have "insert a (s - {a}) = insert a s"
@@ -4024,14 +4024,14 @@
   case False
   then obtain c S' where "c \<notin> S'" "S = insert c S'"
     by (meson equals0I mk_disjoint_insert)
-  have "dim (op + (-c) ` S) < DIM('a)"
+  have "dim ((+) (-c) ` S) < DIM('a)"
     by (metis \<open>S = insert c S'\<close> aff_dim_eq_dim assms hull_inc insertI1 of_nat_less_imp_less)
-  then obtain a where "a \<noteq> 0" "span (op + (-c) ` S) \<subseteq> {x. a \<bullet> x = 0}"
+  then obtain a where "a \<noteq> 0" "span ((+) (-c) ` S) \<subseteq> {x. a \<bullet> x = 0}"
     using lowdim_subset_hyperplane by blast
   moreover
-  have "a \<bullet> w = a \<bullet> c" if "span (op + (- c) ` S) \<subseteq> {x. a \<bullet> x = 0}" "w \<in> S" for w
+  have "a \<bullet> w = a \<bullet> c" if "span ((+) (- c) ` S) \<subseteq> {x. a \<bullet> x = 0}" "w \<in> S" for w
   proof -
-    have "w-c \<in> span (op + (- c) ` S)"
+    have "w-c \<in> span ((+) (- c) ` S)"
       by (simp add: span_superset \<open>w \<in> S\<close>)
     with that have "w-c \<in> {x. a \<bullet> x = 0}"
       by blast
@@ -4235,7 +4235,7 @@
     unfolding cball_def dist_norm by auto
   then have "aff_dim (cball (0 :: 'n::euclidean_space) e) \<le> aff_dim (cball a e)"
     using aff_dim_translation_eq[of a "cball 0 e"]
-          aff_dim_subset[of "op + a ` cball 0 e" "cball a e"]
+          aff_dim_subset[of "(+) a ` cball 0 e" "cball a e"]
     by auto
   moreover have "aff_dim (cball (0 :: 'n::euclidean_space) e) = int (DIM('n))"
     using hull_inc[of "(0 :: 'n::euclidean_space)" "cball 0 e"]
@@ -4805,7 +4805,7 @@
     assume "S \<noteq> {}"
     then obtain L where L: "subspace L" "affine_parallel S L"
       using assms affine_parallel_subspace[of S] by auto
-    then obtain a where a: "S = (op + a ` L)"
+    then obtain a where a: "S = ((+) a ` L)"
       using affine_parallel_def[of L S] affine_parallel_commut by auto
     from L have "closed L" using closed_subspace by auto
     then have "closed S"
@@ -5000,7 +5000,7 @@
       translation_assoc[of "-a" "a"]
     by auto
   then have "((\<lambda>x. a + x) ` rel_interior S) \<supseteq> rel_interior ((\<lambda>x. a + x) ` S)"
-    using translation_inverse_subset[of a "rel_interior (op + a ` S)" "rel_interior S"]
+    using translation_inverse_subset[of a "rel_interior ((+) a ` S)" "rel_interior S"]
     by auto
   then show ?thesis
     using rel_interior_translation_aux[of a S] by auto
@@ -5141,7 +5141,7 @@
   shows "affine hull (insert 0 d) = {x::'a::euclidean_space. \<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x\<bullet>i = 0}"
   (is "affine hull (insert 0 ?A) = ?B")
 proof -
-  have *: "\<And>A. op + (0::'a) ` A = A" "\<And>A. op + (- (0::'a)) ` A = A"
+  have *: "\<And>A. (+) (0::'a) ` A = A" "\<And>A. (+) (- (0::'a)) ` A = A"
     by auto
   show ?thesis
     unfolding affine_hull_insert_span_gen span_substd_basis[OF assms,symmetric] * ..
@@ -5982,7 +5982,7 @@
       unfolding k_def
     proof (subst less_cSUP_iff)
       show "T \<noteq> {}" by fact
-      show "bdd_above (op \<bullet> a ` T)"
+      show "bdd_above ((\<bullet>) a ` T)"
         using ab[rule_format, of y] \<open>y \<in> S\<close>
         by (intro bdd_aboveI2[where M="inner a y - b"]) (auto simp: field_simps intro: less_imp_le)
     qed (auto intro!: bexI[of _ x] \<open>0<b\<close>)
@@ -6073,7 +6073,7 @@
     using assms(3-5) by fastforce
   then have *: "\<And>x y. x \<in> t \<Longrightarrow> y \<in> s \<Longrightarrow> inner a y \<le> inner a x"
     by (force simp add: inner_diff)
-  then have bdd: "bdd_above ((op \<bullet> a)`s)"
+  then have bdd: "bdd_above (((\<bullet>) a)`s)"
     using \<open>t \<noteq> {}\<close> by (auto intro: bdd_aboveI2[OF *])
   show ?thesis
     using \<open>a\<noteq>0\<close>
@@ -6209,19 +6209,19 @@
   then show ?thesis by auto
 next
   case False
-  then have *: "0 \<in> S \<and> (\<forall>c. c > 0 \<longrightarrow> op *\<^sub>R c ` S = S)"
+  then have *: "0 \<in> S \<and> (\<forall>c. c > 0 \<longrightarrow> ( *\<^sub>R) c ` S = S)"
     using cone_iff[of S] assms by auto
   {
     fix c :: real
     assume "c > 0"
-    then have "op *\<^sub>R c ` (convex hull S) = convex hull (op *\<^sub>R c ` S)"
+    then have "( *\<^sub>R) c ` (convex hull S) = convex hull (( *\<^sub>R) c ` S)"
       using convex_hull_scaling[of _ S] by auto
     also have "\<dots> = convex hull S"
       using * \<open>c > 0\<close> by auto
-    finally have "op *\<^sub>R c ` (convex hull S) = convex hull S"
+    finally have "( *\<^sub>R) c ` (convex hull S) = convex hull S"
       by auto
   }
-  then have "0 \<in> convex hull S" "\<And>c. c > 0 \<Longrightarrow> (op *\<^sub>R c ` (convex hull S)) = (convex hull S)"
+  then have "0 \<in> convex hull S" "\<And>c. c > 0 \<Longrightarrow> (( *\<^sub>R) c ` (convex hull S)) = (convex hull S)"
     using * hull_subset[of S convex] by auto
   then show ?thesis
     using \<open>S \<noteq> {}\<close> cone_iff[of "convex hull S"] by auto
@@ -7030,7 +7030,7 @@
   fixes a :: "'a::euclidean_space"
   assumes "cbox a b \<noteq> {}"
     shows "cbox a b =
-           op + a ` (\<lambda>x. \<Sum>k\<in>Basis. ((b \<bullet> k - a \<bullet> k) * (x \<bullet> k)) *\<^sub>R k) ` cbox 0 One"
+           (+) a ` (\<lambda>x. \<Sum>k\<in>Basis. ((b \<bullet> k - a \<bullet> k) * (x \<bullet> k)) *\<^sub>R k) ` cbox 0 One"
 using assms
 apply (simp add: box_ne_empty image_stretch_interval cbox_translation [symmetric])
 apply (simp add: min_def max_def algebra_simps sum_subtractf euclidean_representation)
@@ -7048,7 +7048,7 @@
     by (blast intro: unit_cube_convex_hull)
   have lin: "linear (\<lambda>x. \<Sum>k\<in>Basis. ((b \<bullet> k - a \<bullet> k) * (x \<bullet> k)) *\<^sub>R k)"
     by (rule linear_compose_sum) (auto simp: algebra_simps linearI)
-  have "finite (op + a ` (\<lambda>x. \<Sum>k\<in>Basis. ((b \<bullet> k - a \<bullet> k) * (x \<bullet> k)) *\<^sub>R k) ` s)"
+  have "finite ((+) a ` (\<lambda>x. \<Sum>k\<in>Basis. ((b \<bullet> k - a \<bullet> k) * (x \<bullet> k)) *\<^sub>R k) ` s)"
     by (rule finite_imageI \<open>finite s\<close>)+
   then show ?thesis
     apply (rule that)
--- a/src/HOL/Analysis/Derivative.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Derivative.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -91,7 +91,7 @@
 lemma has_derivative_right:
   fixes f :: "real \<Rightarrow> real"
     and y :: "real"
-  shows "(f has_derivative (op * y)) (at x within ({x <..} \<inter> I)) \<longleftrightarrow>
+  shows "(f has_derivative (( * ) y)) (at x within ({x <..} \<inter> I)) \<longleftrightarrow>
     ((\<lambda>t. (f x - f t) / (x - t)) \<longlongrightarrow> y) (at x within ({x <..} \<inter> I))"
 proof -
   have "((\<lambda>t. (f t - (f x + y * (t - x))) / \<bar>t - x\<bar>) \<longlongrightarrow> 0) (at x within ({x<..} \<inter> I)) \<longleftrightarrow>
@@ -245,7 +245,7 @@
 
 lemma has_derivative_sqnorm_at [derivative_intros, simp]:
    "((\<lambda>x. (norm x)\<^sup>2) has_derivative (\<lambda>x. 2 *\<^sub>R (a \<bullet> x))) (at a)"
-using has_derivative_bilinear_at [of id id a id id "op  \<bullet>"]
+using has_derivative_bilinear_at [of id id a id id "(\<bullet>)"]
 by (auto simp: inner_commute dot_square_norm bounded_bilinear_inner)
 
 lemma differentiable_sqnorm_at [derivative_intros, simp]:
@@ -1112,7 +1112,7 @@
   shows "norm (f (x0 + a) - f x0) \<le> norm a * B"
 proof -
   let ?G = "(\<lambda>x. x0 + x *\<^sub>R a) ` {0..1}"
-  have "?G = op + x0 ` (\<lambda>x. x *\<^sub>R a) ` {0..1}" by auto
+  have "?G = (+) x0 ` (\<lambda>x. x *\<^sub>R a) ` {0..1}" by auto
   also have "convex \<dots>"
     by (intro convex_translation convex_scaled convex_real_interval)
   finally have "convex ?G" .
@@ -1164,7 +1164,7 @@
   assumes "convex s" "\<And>x. x \<in> s \<Longrightarrow> (f has_field_derivative 0) (at x within s)"
   shows   "\<exists>c. \<forall>x\<in>s. f (x) = (c :: 'a :: real_normed_field)"
 proof (rule has_derivative_zero_constant)
-  have A: "op * 0 = (\<lambda>_. 0 :: 'a)" by (intro ext) simp
+  have A: "( * ) 0 = (\<lambda>_. 0 :: 'a)" by (intro ext) simp
   fix x assume "x \<in> s" thus "(f has_derivative (\<lambda>h. 0)) (at x within s)"
     using assms(2)[of x] by (simp add: has_field_derivative_def A)
 qed fact
@@ -2292,9 +2292,9 @@
   then obtain g where g: "\<And>x. x \<in> s \<Longrightarrow> (\<lambda>n. f n x) sums g x"
     "\<And>x. x \<in> s \<Longrightarrow> (g has_field_derivative g' x) (at x within s)" by blast
   from g[OF x] show "summable (\<lambda>n. f n x)" by (auto simp: summable_def)
-  from g(2)[OF x] have g': "(g has_derivative op * (g' x)) (at x)"
+  from g(2)[OF x] have g': "(g has_derivative ( * ) (g' x)) (at x)"
     by (simp add: has_field_derivative_def s)
-  have "((\<lambda>x. \<Sum>n. f n x) has_derivative op * (g' x)) (at x)"
+  have "((\<lambda>x. \<Sum>n. f n x) has_derivative ( * ) (g' x)) (at x)"
     by (rule has_derivative_transform_within_open[OF g' \<open>open s\<close> x])
        (insert g, auto simp: sums_iff)
   thus "(\<lambda>x. \<Sum>n. f n x) differentiable (at x)" unfolding differentiable_def
@@ -2645,7 +2645,7 @@
   unfolding field_differentiable_def
   by (metis DERIV_subset top_greatest)
 
-lemma field_differentiable_linear [simp,derivative_intros]: "(op * c) field_differentiable F"
+lemma field_differentiable_linear [simp,derivative_intros]: "(( * ) c) field_differentiable F"
 proof -
   show ?thesis
     unfolding field_differentiable_def has_field_derivative_def mult_commute_abs
@@ -2675,7 +2675,7 @@
   by (metis field_differentiable_add)
 
 lemma field_differentiable_add_const [simp,derivative_intros]:
-     "op + c field_differentiable F"
+     "(+) c field_differentiable F"
   by (simp add: field_differentiable_add)
 
 lemma field_differentiable_sum [derivative_intros]:
--- a/src/HOL/Analysis/Determinants.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Determinants.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -819,7 +819,7 @@
       unfolding matrix_right_invertible_independent_rows
       by blast
     have *: "\<And>(a::real^'n) b. a + b = 0 \<Longrightarrow> -a = b"
-      apply (drule_tac f="op + (- a)" in cong[OF refl])
+      apply (drule_tac f="(+) (- a)" in cong[OF refl])
       apply (simp only: ab_left_minus add.assoc[symmetric])
       apply simp
       done
--- a/src/HOL/Analysis/Embed_Measure.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Embed_Measure.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -159,15 +159,15 @@
   from assms(1) interpret sigma_finite_measure M .
   from sigma_finite_countable obtain A where
       A_props: "countable A" "A \<subseteq> sets M" "\<Union>A = space M" "\<And>X. X\<in>A \<Longrightarrow> emeasure M X \<noteq> \<infinity>" by blast
-  from A_props have "countable (op ` f`A)" by auto
+  from A_props have "countable ((`) f`A)" by auto
   moreover
-  from inj and A_props have "op ` f`A \<subseteq> sets (embed_measure M f)"
+  from inj and A_props have "(`) f`A \<subseteq> sets (embed_measure M f)"
     by (auto simp: sets_embed_measure)
   moreover
-  from A_props and inj have "\<Union>(op ` f`A) = space (embed_measure M f)"
+  from A_props and inj have "\<Union>((`) f`A) = space (embed_measure M f)"
     by (auto simp: space_embed_measure intro!: imageI)
   moreover
-  from A_props and inj have "\<forall>a\<in>op ` f ` A. emeasure (embed_measure M f) a \<noteq> \<infinity>"
+  from A_props and inj have "\<forall>a\<in>(`) f ` A. emeasure (embed_measure M f) a \<noteq> \<infinity>"
     by (intro ballI, subst emeasure_embed_measure)
        (auto simp: inj_vimage_image_eq intro: in_sets_embed_measure)
   ultimately show ?thesis by - (standard, blast)
@@ -189,7 +189,7 @@
   by(rule embed_measure_count_space')(erule subset_inj_on, simp)
 
 lemma sets_embed_measure_alt:
-    "inj f \<Longrightarrow> sets (embed_measure M f) = (op` f) ` sets M"
+    "inj f \<Longrightarrow> sets (embed_measure M f) = ((`) f) ` sets M"
   by (auto simp: sets_embed_measure)
 
 lemma emeasure_embed_measure_image':
@@ -210,7 +210,7 @@
   assumes "inj f"
   shows "embed_measure A f = embed_measure B f \<longleftrightarrow> A = B" (is "?M = ?N \<longleftrightarrow> _")
 proof
-  from assms have I: "inj (op` f)" by (auto intro: injI dest: injD)
+  from assms have I: "inj ((`) f)" by (auto intro: injI dest: injD)
   assume asm: "?M = ?N"
   hence "sets (embed_measure A f) = sets (embed_measure B f)" by simp
   with assms have "sets A = sets B" by (simp only: I inj_image_eq_iff sets_embed_measure_alt)
@@ -369,7 +369,7 @@
 lemma nn_integral_monotone_convergence_SUP_countable:
   fixes f :: "'a \<Rightarrow> 'b \<Rightarrow> ennreal"
   assumes nonempty: "Y \<noteq> {}"
-  and chain: "Complete_Partial_Order.chain op \<le> (f ` Y)"
+  and chain: "Complete_Partial_Order.chain (\<le>) (f ` Y)"
   and countable: "countable B"
   shows "(\<integral>\<^sup>+ x. (SUP i:Y. f i x) \<partial>count_space B) = (SUP i:Y. (\<integral>\<^sup>+ x. f i x \<partial>count_space B))"
   (is "?lhs = ?rhs")
@@ -383,7 +383,7 @@
     by(simp add: nn_integral_count_space_indicator ennreal_indicator[symmetric] SUP_mult_right_ennreal nonempty)
   also have "\<dots> = (SUP i:Y. \<integral>\<^sup>+ x. ?f i x \<partial>count_space UNIV)"
   proof(rule nn_integral_monotone_convergence_SUP_nat)
-    show "Complete_Partial_Order.chain op \<le> (?f ` Y)"
+    show "Complete_Partial_Order.chain (\<le>) (?f ` Y)"
       by(rule chain_imageI[OF chain, unfolded image_image])(auto intro!: le_funI split: split_indicator dest: le_funD)
   qed fact
   also have "\<dots> = (SUP i:Y. \<integral>\<^sup>+ x. f i (from_nat_into B x) \<partial>count_space (to_nat_on B ` B))"
--- a/src/HOL/Analysis/Equivalence_Lebesgue_Henstock_Integration.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Equivalence_Lebesgue_Henstock_Integration.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1041,10 +1041,10 @@
       and eq1: "\<And>c x. \<lbrakk>(a + c *\<^sub>R x) \<in> S; 0 \<le> c; a + x \<in> S\<rbrakk> \<Longrightarrow> c = 1"
     shows "negligible S"
 proof -
-  have "negligible (op + (-a) ` S)"
+  have "negligible ((+) (-a) ` S)"
   proof (subst negligible_on_intervals, intro allI)
     fix u v
-    show "negligible (op + (- a) ` S \<inter> cbox u v)"
+    show "negligible ((+) (- a) ` S \<inter> cbox u v)"
       unfolding negligible_iff_null_sets
       apply (rule starlike_negligible_compact)
        apply (simp add: assms closed_translation closed_Int_compact, clarify)
@@ -1831,7 +1831,7 @@
           qed
           also have "\<dots> = (\<Sum>(i,l) \<in> d \<times> snd ` p. norm (integral (i\<inter>l) f))"
             by (simp add: sum.cartesian_product)
-          also have "\<dots> = (\<Sum>x \<in> d \<times> snd ` p. norm (integral (case_prod op \<inter> x) f))"
+          also have "\<dots> = (\<Sum>x \<in> d \<times> snd ` p. norm (integral (case_prod (\<inter>) x) f))"
             by (force simp: split_def intro!: sum.cong)
           also have "\<dots> = (\<Sum>k\<in>{i \<inter> l |i l. i \<in> d \<and> l \<in> snd ` p}. norm (integral k f))"
           proof -
--- a/src/HOL/Analysis/Euclidean_Space.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Euclidean_Space.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -242,7 +242,7 @@
 
 lemma DIM_prod[simp]: "DIM('a \<times> 'b) = DIM('a) + DIM('b)"
   unfolding Basis_prod_def
-  by (subst card_Un_disjoint) (auto intro!: card_image arg_cong2[where f="op +"] inj_onI)
+  by (subst card_Un_disjoint) (auto intro!: card_image arg_cong2[where f="(+)"] inj_onI)
 
 end
 
--- a/src/HOL/Analysis/Finite_Cartesian_Product.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Finite_Cartesian_Product.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -142,13 +142,13 @@
 
 instantiation vec :: (plus, finite) plus
 begin
-  definition "op + \<equiv> (\<lambda> x y. (\<chi> i. x$i + y$i))"
+  definition "(+) \<equiv> (\<lambda> x y. (\<chi> i. x$i + y$i))"
   instance ..
 end
 
 instantiation vec :: (minus, finite) minus
 begin
-  definition "op - \<equiv> (\<lambda> x y. (\<chi> i. x$i - y$i))"
+  definition "(-) \<equiv> (\<lambda> x y. (\<chi> i. x$i - y$i))"
   instance ..
 end
 
--- a/src/HOL/Analysis/Finite_Product_Measure.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Finite_Product_Measure.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -929,7 +929,7 @@
       using E by (subst insert) (auto intro!: prod.cong)
     also have "(\<Prod>j\<in>I. if j \<in> J - {i} then emeasure (M j) (E j) else emeasure (M j) (space (M j))) *
        emeasure (M i) (if i \<in> J then E i else space (M i)) = (\<Prod>j\<in>insert i I. ?f J E j)"
-      using insert by (auto simp: mult.commute intro!: arg_cong2[where f="op *"] prod.cong)
+      using insert by (auto simp: mult.commute intro!: arg_cong2[where f="( * )"] prod.cong)
     also have "\<dots> = (\<Prod>j\<in>J \<union> ?I. ?f J E j)"
       using insert(1,2) J E by (intro prod.mono_neutral_right) auto
     finally show "?\<mu> ?p = \<dots>" .
--- a/src/HOL/Analysis/Further_Topology.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Further_Topology.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -527,7 +527,7 @@
                         and gh: "\<And>x. x \<in> rel_frontier D \<Longrightarrow> g x = h x"
           by (metis *)
         have "D \<inter> E \<subseteq> rel_frontier D"
-             if "E \<in> \<G> \<union> {D. Bex \<F> (op face_of D) \<and> aff_dim D < int p}" for E
+             if "E \<in> \<G> \<union> {D. Bex \<F> ((face_of) D) \<and> aff_dim D < int p}" for E
         proof (rule face_of_subset_rel_frontier)
           show "D \<inter> E face_of D"
             using that \<open>C \<in> \<F>\<close> \<open>D face_of C\<close> face
@@ -2173,21 +2173,21 @@
   case False
   obtain a b where "a \<in> S" "a \<in> U" "b \<in> V"
     using False fim ope openin_contains_cball by fastforce
-  have "openin (subtopology euclidean (op + (- b) ` V)) ((op + (- b) \<circ> f \<circ> op + a) ` op + (- a) ` S)"
+  have "openin (subtopology euclidean ((+) (- b) ` V)) (((+) (- b) \<circ> f \<circ> (+) a) ` (+) (- a) ` S)"
   proof (rule invariance_of_domain_subspaces)
-    show "openin (subtopology euclidean (op + (- a) ` U)) (op + (- a) ` S)"
+    show "openin (subtopology euclidean ((+) (- a) ` U)) ((+) (- a) ` S)"
       by (metis ope homeomorphism_imp_open_map homeomorphism_translation translation_galois)
-    show "subspace (op + (- a) ` U)"
+    show "subspace ((+) (- a) ` U)"
       by (simp add: \<open>a \<in> U\<close> affine_diffs_subspace \<open>affine U\<close>)
-    show "subspace (op + (- b) ` V)"
+    show "subspace ((+) (- b) ` V)"
       by (simp add: \<open>b \<in> V\<close> affine_diffs_subspace \<open>affine V\<close>)
-    show "dim (op + (- b) ` V) \<le> dim (op + (- a) ` U)"
+    show "dim ((+) (- b) ` V) \<le> dim ((+) (- a) ` U)"
       by (metis \<open>a \<in> U\<close> \<open>b \<in> V\<close> aff_dim_eq_dim affine_hull_eq aff of_nat_le_iff)
-    show "continuous_on (op + (- a) ` S) (op + (- b) \<circ> f \<circ> op + a)"
+    show "continuous_on ((+) (- a) ` S) ((+) (- b) \<circ> f \<circ> (+) a)"
       by (metis contf continuous_on_compose homeomorphism_cont2 homeomorphism_translation translation_galois)
-    show "(op + (- b) \<circ> f \<circ> op + a) ` op + (- a) ` S \<subseteq> op + (- b) ` V"
+    show "((+) (- b) \<circ> f \<circ> (+) a) ` (+) (- a) ` S \<subseteq> (+) (- b) ` V"
       using fim by auto
-    show "inj_on (op + (- b) \<circ> f \<circ> op + a) (op + (- a) ` S)"
+    show "inj_on ((+) (- b) \<circ> f \<circ> (+) a) ((+) (- a) ` S)"
       by (auto simp: inj_on_def) (meson inj_onD injf)
   qed
   then show ?thesis
@@ -2204,19 +2204,19 @@
 proof -
   obtain a b where "a \<in> S" "a \<in> U" "b \<in> V"
     using \<open>S \<noteq> {}\<close> fim ope openin_contains_cball by fastforce
-  have "dim (op + (- a) ` U) \<le> dim (op + (- b) ` V)"
+  have "dim ((+) (- a) ` U) \<le> dim ((+) (- b) ` V)"
   proof (rule invariance_of_dimension_subspaces)
-    show "openin (subtopology euclidean (op + (- a) ` U)) (op + (- a) ` S)"
+    show "openin (subtopology euclidean ((+) (- a) ` U)) ((+) (- a) ` S)"
       by (metis ope homeomorphism_imp_open_map homeomorphism_translation translation_galois)
-    show "subspace (op + (- a) ` U)"
+    show "subspace ((+) (- a) ` U)"
       by (simp add: \<open>a \<in> U\<close> affine_diffs_subspace \<open>affine U\<close>)
-    show "subspace (op + (- b) ` V)"
+    show "subspace ((+) (- b) ` V)"
       by (simp add: \<open>b \<in> V\<close> affine_diffs_subspace \<open>affine V\<close>)
-    show "continuous_on (op + (- a) ` S) (op + (- b) \<circ> f \<circ> op + a)"
+    show "continuous_on ((+) (- a) ` S) ((+) (- b) \<circ> f \<circ> (+) a)"
       by (metis contf continuous_on_compose homeomorphism_cont2 homeomorphism_translation translation_galois)
-    show "(op + (- b) \<circ> f \<circ> op + a) ` op + (- a) ` S \<subseteq> op + (- b) ` V"
+    show "((+) (- b) \<circ> f \<circ> (+) a) ` (+) (- a) ` S \<subseteq> (+) (- b) ` V"
       using fim by auto
-    show "inj_on (op + (- b) \<circ> f \<circ> op + a) (op + (- a) ` S)"
+    show "inj_on ((+) (- b) \<circ> f \<circ> (+) a) ((+) (- a) ` S)"
       by (auto simp: inj_on_def) (meson inj_onD injf)
   qed (use \<open>S \<noteq> {}\<close> in auto)
   then show ?thesis
@@ -2762,7 +2762,7 @@
   case False
   then obtain a b where "a \<in> S" "b \<in> T"
     by blast
-  then have "subspace (op + (- a) ` S)" "subspace (op + (- b) ` T)"
+  then have "subspace ((+) (- a) ` S)" "subspace ((+) (- b) ` T)"
     using affine_diffs_subspace assms by blast+
   then show ?thesis
     by (metis affine_imp_convex assms homeomorphic_affine_sets homeomorphic_convex_sets)
@@ -3539,12 +3539,12 @@
       by (intro conjI contg continuous_intros)
     show "(complex_of_real \<circ> g) ` S \<subseteq> \<real>"
       by auto
-    show "continuous_on \<real> (exp \<circ> op*\<i>)"
+    show "continuous_on \<real> (exp \<circ> ( * )\<i>)"
       by (intro continuous_intros)
-    show "(exp \<circ> op*\<i>) ` \<real> \<subseteq> sphere 0 1"
+    show "(exp \<circ> ( * )\<i>) ` \<real> \<subseteq> sphere 0 1"
       by (auto simp: complex_is_Real_iff)
   qed (auto simp: convex_Reals convex_imp_contractible)
-  moreover have "\<And>x. x \<in> S \<Longrightarrow> (exp \<circ> op*\<i> \<circ> (complex_of_real \<circ> g)) x = f x"
+  moreover have "\<And>x. x \<in> S \<Longrightarrow> (exp \<circ> ( * )\<i> \<circ> (complex_of_real \<circ> g)) x = f x"
     by (simp add: g)
   ultimately show ?lhs
     apply (rule_tac x=a in exI)
--- a/src/HOL/Analysis/Gamma_Function.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Gamma_Function.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -2038,7 +2038,7 @@
 
     moreover from z double_in_nonpos_Ints_imp[of z] have "2 * z \<notin> \<int>\<^sub>\<le>\<^sub>0" by auto
     hence "?g \<longlonglongrightarrow> ?powr 2 (2*z) * Gamma z * Gamma (z+1/2) / Gamma (2*z)"
-      using LIMSEQ_subseq_LIMSEQ[OF Gamma_series'_LIMSEQ, of "op*2" "2*z"]
+      using LIMSEQ_subseq_LIMSEQ[OF Gamma_series'_LIMSEQ, of "( * )2" "2*z"]
       by (intro tendsto_intros Gamma_series'_LIMSEQ)
          (simp_all add: o_def strict_mono_def Gamma_eq_zero_iff)
     ultimately have "?h \<longlonglongrightarrow> ?powr 2 (2*z) * Gamma z * Gamma (z+1/2) / Gamma (2*z)"
@@ -3088,7 +3088,7 @@
   proof (rule nn_integral_cong, goal_cases)
     case (1 t)
     have "(\<integral>\<^sup>+u. ennreal (indicator ({0..}\<times>{0..}) (t,u) * t powr (a - 1) * 
-                              u powr (b - 1) / exp (t + u)) \<partial>distr lborel borel (op + (-t))) =
+                              u powr (b - 1) / exp (t + u)) \<partial>distr lborel borel ((+) (-t))) =
                (\<integral>\<^sup>+u. ennreal (indicator ({0..}\<times>{t..}) (t,u) * t powr (a - 1) * 
                               (u - t) powr (b - 1) / exp u) \<partial>lborel)"
       by (subst nn_integral_distr) (auto intro!: nn_integral_cong simp: indicator_def)
@@ -3116,10 +3116,10 @@
       case True
       have "(\<integral>\<^sup>+t. ennreal (indicator {0..u} t * t powr (a - 1) * (u - t) powr (b - 1)) \<partial>lborel) = 
               (\<integral>\<^sup>+t. ennreal (indicator {0..1} t * (u * t) powr (a - 1) * (u - u * t) powr (b - 1)) 
-                \<partial>distr lborel borel (op * (1 / u)))" (is "_ = nn_integral _ ?f")
+                \<partial>distr lborel borel (( * ) (1 / u)))" (is "_ = nn_integral _ ?f")
         using True
         by (subst nn_integral_distr) (auto simp: indicator_def field_simps intro!: nn_integral_cong)
-      also have "distr lborel borel (op * (1 / u)) = density lborel (\<lambda>_. u)"
+      also have "distr lborel borel (( * ) (1 / u)) = density lborel (\<lambda>_. u)"
         using \<open>u > 0\<close> by (subst lborel_distr_mult) auto
       also have "nn_integral \<dots> ?f = (\<integral>\<^sup>+x. ennreal (indicator {0..1} x * (u * (u * x) powr (a - 1) *
                                               (u * (1 - x)) powr (b - 1))) \<partial>lborel)" using \<open>u > 0\<close>
--- a/src/HOL/Analysis/Great_Picard.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Great_Picard.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -596,7 +596,7 @@
       proof (cases "k=1")
         case True
         then have "\<exists>x. k * x + l \<noteq> a + x" for a
-          using l non [of a] ext [of f "op + a"]
+          using l non [of a] ext [of f "(+) a"]
           by (metis add.commute diff_eq_eq)
         with True show ?thesis by auto
       next
--- a/src/HOL/Analysis/Harmonic_Numbers.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Harmonic_Numbers.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -225,7 +225,7 @@
     by (intro summable_Leibniz(1) decseq_imp_monoseq decseq_SucI) simp_all
   hence A: "(\<lambda>n. \<Sum>k<n. (-1)^k / real_of_nat (Suc k)) \<longlonglongrightarrow> (\<Sum>k. (-1)^k / real_of_nat (Suc k))"
     by (simp add: summable_sums_iff divide_inverse sums_def)
-  from filterlim_compose[OF this filterlim_subseq[of "op * (2::nat)"]]
+  from filterlim_compose[OF this filterlim_subseq[of "( * ) (2::nat)"]]
     have "(\<lambda>n. \<Sum>k<2*n. (-1)^k / real_of_nat (Suc k)) \<longlonglongrightarrow> (\<Sum>k. (-1)^k / real_of_nat (Suc k))"
     by (simp add: strict_mono_def)
   ultimately have "(\<Sum>k. (- 1) ^ k / real_of_nat (Suc k)) = ln 2" by (intro LIMSEQ_unique)
--- a/src/HOL/Analysis/Henstock_Kurzweil_Integration.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Henstock_Kurzweil_Integration.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1396,7 +1396,7 @@
 
 lemma operative_integralI:
   fixes f :: "'a::euclidean_space \<Rightarrow> 'b::banach"
-  shows "operative (lift_option op +) (Some 0)
+  shows "operative (lift_option (+)) (Some 0)
     (\<lambda>i. if f integrable_on i then Some (integral i f) else None)"
 proof -
   interpret comm_monoid "lift_option plus" "Some (0::'b)"
@@ -1408,7 +1408,7 @@
     fix k :: 'a
     assume k: "k \<in> Basis"
     show "(if f integrable_on cbox a b then Some (integral (cbox a b) f) else None) =
-          lift_option op + (if f integrable_on cbox a b \<inter> {x. x \<bullet> k \<le> c} then Some (integral (cbox a b \<inter> {x. x \<bullet> k \<le> c}) f) else None)
+          lift_option (+) (if f integrable_on cbox a b \<inter> {x. x \<bullet> k \<le> c} then Some (integral (cbox a b \<inter> {x. x \<bullet> k \<le> c}) f) else None)
           (if f integrable_on cbox a b \<inter> {x. c \<le> x \<bullet> k} then Some (integral (cbox a b \<inter> {x. c \<le> x \<bullet> k}) f) else None)"
     proof (cases "f integrable_on cbox a b")
       case True
@@ -2176,11 +2176,11 @@
         unfolding sum_distrib_left by (metis divide_inverse inverse_eq_divide power_one_over)
       also have "\<dots> < e/2 * 2"
       proof (rule mult_strict_left_mono)
-        have "sum (op ^ (1/2)) {..N + 1} = sum (op ^ (1/2::real)) {..<N + 2}"
+        have "sum ((^) (1/2)) {..N + 1} = sum ((^) (1/2::real)) {..<N + 2}"
           using lessThan_Suc_atMost by auto
         also have "... < 2"
           by (auto simp: geometric_sum)
-        finally show "sum (op ^ (1/2::real)) {..N + 1} < 2" .
+        finally show "sum ((^) (1/2::real)) {..N + 1} < 2" .
       qed (use \<open>0 < e\<close> in auto)
       finally  show ?thesis by auto
     qed
@@ -2479,9 +2479,9 @@
   qed
 qed
 
-lemma comm_monoid_set_F_and: "comm_monoid_set.F op \<and> True f s \<longleftrightarrow> (finite s \<longrightarrow> (\<forall>x\<in>s. f x))"
+lemma comm_monoid_set_F_and: "comm_monoid_set.F (\<and>) True f s \<longleftrightarrow> (finite s \<longrightarrow> (\<forall>x\<in>s. f x))"
 proof -
-  interpret bool: comm_monoid_set "op \<and>" True
+  interpret bool: comm_monoid_set "(\<and>)" True
     proof qed auto
   show ?thesis
     by (induction s rule: infinite_finite_induct) auto
@@ -2587,8 +2587,8 @@
     fix e :: real
     assume e: "e > 0"
     {
-      assume "\<forall>e>0. ?P e op <"
-      then show "?P (e * content (cbox a b)) op \<le>"
+      assume "\<forall>e>0. ?P e (<)"
+      then show "?P (e * content (cbox a b)) (\<le>)"
         apply (erule_tac x="e * content (cbox a b)" in allE)
         apply (erule impE)
         defer
@@ -2598,8 +2598,8 @@
         done
     }
     {
-      assume "\<forall>e>0. ?P (e * content (cbox a b)) op \<le>"
-      then show "?P e op <"
+      assume "\<forall>e>0. ?P (e * content (cbox a b)) (\<le>)"
+      then show "?P e (<)"
         apply (erule_tac x="e/2 / content (cbox a b)" in allE)
         apply (erule impE)
         defer
@@ -2983,7 +2983,7 @@
     "\<lambda>i. if f integrable_on i then Some (integral i f) else None"
     using operative_integralI by (rule operative_realI)
   from \<open>a \<le> c\<close> \<open>c \<le> b\<close> ac cb coalesce_less_eq
-  have *: "lift_option op +
+  have *: "lift_option (+)
              (if f integrable_on {a..c} then Some (integral {a..c} f) else None)
              (if f integrable_on {c..b} then Some (integral {c..b} f) else None) =
             (if f integrable_on {a..b} then Some (integral {a..b} f) else None)"
@@ -4609,9 +4609,9 @@
 
 lemma negligible_translation:
   assumes "negligible S"
-    shows "negligible (op + c ` S)"
+    shows "negligible ((+) c ` S)"
 proof -
-  have inj: "inj (op + c)"
+  have inj: "inj ((+) c)"
     by simp
   show ?thesis
   using assms
@@ -4620,9 +4620,9 @@
     assume "\<forall>x y. (indicator S has_integral 0) (cbox x y)"
     then have *: "(indicator S has_integral 0) (cbox (a-c) (b-c))"
       by (meson Diff_iff assms has_integral_negligible indicator_simps(2))
-    have eq: "indicator (op + c ` S) = (\<lambda>x. indicator S (x - c))"
+    have eq: "indicator ((+) c ` S) = (\<lambda>x. indicator S (x - c))"
       by (force simp add: indicator_def)
-    show "(indicator (op + c ` S) has_integral 0) (cbox a b)"
+    show "(indicator ((+) c ` S) has_integral 0) (cbox a b)"
       using has_integral_affinity [OF *, of 1 "-c"]
             cbox_translation [of "c" "-c+a" "-c+b"]
       by (simp add: eq add.commute)
@@ -4630,7 +4630,7 @@
 qed
 
 lemma negligible_translation_rev:
-  assumes "negligible (op + c ` S)"
+  assumes "negligible ((+) c ` S)"
     shows "negligible S"
 by (metis negligible_translation [OF assms, of "-c"] translation_galois)
 
@@ -4838,8 +4838,8 @@
       using real_arch_simple by blast
     have "ball 0 B \<subseteq> ?cube n" if n: "n \<ge> N" for n
     proof -
-      have "sum (op *\<^sub>R (- real n)) Basis \<bullet> i \<le> x \<bullet> i \<and>
-            x \<bullet> i \<le> sum (op *\<^sub>R (real n)) Basis \<bullet> i"
+      have "sum (( *\<^sub>R) (- real n)) Basis \<bullet> i \<le> x \<bullet> i \<and>
+            x \<bullet> i \<le> sum (( *\<^sub>R) (real n)) Basis \<bullet> i"
         if "norm x < B" "i \<in> Basis" for x i::'n
           using Basis_le_norm[of i x] n N that by (auto simp add: field_simps sum_negf)
       then show ?thesis
@@ -4874,7 +4874,7 @@
         fix x :: 'n
         assume x: "x \<in> ball 0 B"
         have "\<lbrakk>norm (0 - x) < B; i \<in> Basis\<rbrakk>
-              \<Longrightarrow> sum (op *\<^sub>R (-n)) Basis \<bullet> i\<le> x \<bullet> i \<and> x \<bullet> i \<le> sum (op *\<^sub>R n) Basis \<bullet> i" for i
+              \<Longrightarrow> sum (( *\<^sub>R) (-n)) Basis \<bullet> i\<le> x \<bullet> i \<and> x \<bullet> i \<le> sum (( *\<^sub>R) n) Basis \<bullet> i" for i
           using Basis_le_norm[of i x] n by (auto simp add: field_simps sum_negf)
         then show "x \<in> ?cube n"
           using x by (auto simp: mem_box dist_norm)
@@ -5925,7 +5925,7 @@
     and bou: "bounded (range(\<lambda>k. integral S (f k)))"
   shows "g integrable_on S \<and> (\<lambda>k. integral S (f k)) \<longlonglongrightarrow> integral S g"
 proof -
-  have *: "range(\<lambda>k. integral S (\<lambda>x. - f k x)) = op *\<^sub>R (- 1) ` (range(\<lambda>k. integral S (f k)))"
+  have *: "range(\<lambda>k. integral S (\<lambda>x. - f k x)) = ( *\<^sub>R) (- 1) ` (range(\<lambda>k. integral S (f k)))"
     by force
   have "(\<lambda>x. - g x) integrable_on S \<and> (\<lambda>k. integral S (\<lambda>x. - f k x)) \<longlonglongrightarrow> integral S (\<lambda>x. - g x)"
   proof (rule monotone_convergence_increasing)
--- a/src/HOL/Analysis/Homeomorphism.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Homeomorphism.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -549,31 +549,31 @@
       and starlike_compact_projective2:
             "S homeomorphic cball a 1 \<inter> affine hull S"
 proof -
-  have 1: "compact (op+ (-a) ` S)" by (meson assms compact_translation)
-  have 2: "0 \<in> rel_interior (op+ (-a) ` S)"
+  have 1: "compact ((+) (-a) ` S)" by (meson assms compact_translation)
+  have 2: "0 \<in> rel_interior ((+) (-a) ` S)"
     by (simp add: a rel_interior_translation)
-  have 3: "open_segment 0 x \<subseteq> rel_interior (op+ (-a) ` S)" if "x \<in> (op+ (-a) ` S)" for x
+  have 3: "open_segment 0 x \<subseteq> rel_interior ((+) (-a) ` S)" if "x \<in> ((+) (-a) ` S)" for x
   proof -
     have "x+a \<in> S" using that by auto
     then have "open_segment a (x+a) \<subseteq> rel_interior S" by (metis star)
     then show ?thesis using open_segment_translation
       using rel_interior_translation by fastforce
   qed
-  have "S - rel_interior S homeomorphic (op+ (-a) ` S) - rel_interior (op+ (-a) ` S)"
+  have "S - rel_interior S homeomorphic ((+) (-a) ` S) - rel_interior ((+) (-a) ` S)"
     by (metis rel_interior_translation translation_diff homeomorphic_translation)
-  also have "... homeomorphic sphere 0 1 \<inter> affine hull (op+ (-a) ` S)"
+  also have "... homeomorphic sphere 0 1 \<inter> affine hull ((+) (-a) ` S)"
     by (rule starlike_compact_projective1_0 [OF 1 2 3])
-  also have "... = op+ (-a) ` (sphere a 1 \<inter> affine hull S)"
+  also have "... = (+) (-a) ` (sphere a 1 \<inter> affine hull S)"
     by (metis affine_hull_translation left_minus sphere_translation translation_Int)
   also have "... homeomorphic sphere a 1 \<inter> affine hull S"
     using homeomorphic_translation homeomorphic_sym by blast
   finally show "S - rel_interior S homeomorphic sphere a 1 \<inter> affine hull S" .
 
-  have "S homeomorphic (op+ (-a) ` S)"
+  have "S homeomorphic ((+) (-a) ` S)"
     by (metis homeomorphic_translation)
-  also have "... homeomorphic cball 0 1 \<inter> affine hull (op+ (-a) ` S)"
+  also have "... homeomorphic cball 0 1 \<inter> affine hull ((+) (-a) ` S)"
     by (rule starlike_compact_projective2_0 [OF 1 2 3])
-  also have "... = op+ (-a) ` (cball a 1 \<inter> affine hull S)"
+  also have "... = (+) (-a) ` (cball a 1 \<inter> affine hull S)"
     by (metis affine_hull_translation left_minus cball_translation translation_Int)
   also have "... homeomorphic cball a 1 \<inter> affine hull S"
     using homeomorphic_translation homeomorphic_sym by blast
@@ -623,13 +623,13 @@
   have starT: "\<And>x. x \<in> T \<Longrightarrow> open_segment b x \<subseteq> rel_interior T"
     using rel_interior_closure_convex_segment
           b \<open>convex T\<close> closure_subset subsetCE by blast
-  let ?aS = "op+ (-a) ` S" and ?bT = "op+ (-b) ` T"
+  let ?aS = "(+) (-a) ` S" and ?bT = "(+) (-b) ` T"
   have 0: "0 \<in> affine hull ?aS" "0 \<in> affine hull ?bT"
     by (metis a b subsetD hull_inc image_eqI left_minus rel_interior_subset)+
   have subs: "subspace (span ?aS)" "subspace (span ?bT)"
     by (rule subspace_span)+
   moreover
-  have "dim (span (op + (- a) ` S)) = dim (span (op + (- b) ` T))"
+  have "dim (span ((+) (- a) ` S)) = dim (span ((+) (- b) ` T))"
     by (metis 0 aff_dim_translation_eq aff_dim_zero affeq dim_span nat_int)
   ultimately obtain f g where "linear f" "linear g"
                 and fim: "f ` span ?aS = span ?bT"
@@ -649,9 +649,9 @@
     by (metis b affine_hull_span_0 subsetD hull_inc image_eqI left_minus rel_interior_subset)
   have "S homeomorphic cball a 1 \<inter> affine hull S"
     by (rule starlike_compact_projective2 [OF \<open>compact S\<close> a starS])
-  also have "... homeomorphic op+ (-a) ` (cball a 1 \<inter> affine hull S)"
+  also have "... homeomorphic (+) (-a) ` (cball a 1 \<inter> affine hull S)"
     by (metis homeomorphic_translation)
-  also have "... = cball 0 1 \<inter> op+ (-a) ` (affine hull S)"
+  also have "... = cball 0 1 \<inter> (+) (-a) ` (affine hull S)"
     by (auto simp: dist_norm)
   also have "... = cball 0 1 \<inter> span ?aS"
     using eqspanS affine_hull_translation by blast
@@ -666,9 +666,9 @@
          using gim gno apply (force simp:, clarify)
         by (metis IntI fim1 gf image_eqI)
     qed (auto simp: fg gf)
-  also have "... = cball 0 1 \<inter> op+ (-b) ` (affine hull T)"
+  also have "... = cball 0 1 \<inter> (+) (-b) ` (affine hull T)"
     using eqspanT affine_hull_translation by blast
-  also have "... = op+ (-b) ` (cball b 1 \<inter> affine hull T)"
+  also have "... = (+) (-b) ` (cball b 1 \<inter> affine hull T)"
     by (auto simp: dist_norm)
   also have "... homeomorphic (cball b 1 \<inter> affine hull T)"
     by (metis homeomorphic_translation homeomorphic_sym)
@@ -678,9 +678,9 @@
 
   have "S - rel_interior S homeomorphic sphere a 1 \<inter> affine hull S"
     by (rule starlike_compact_projective1 [OF \<open>compact S\<close> a starS])
-  also have "... homeomorphic op+ (-a) ` (sphere a 1 \<inter> affine hull S)"
+  also have "... homeomorphic (+) (-a) ` (sphere a 1 \<inter> affine hull S)"
     by (metis homeomorphic_translation)
-  also have "... = sphere 0 1 \<inter> op+ (-a) ` (affine hull S)"
+  also have "... = sphere 0 1 \<inter> (+) (-a) ` (affine hull S)"
     by (auto simp: dist_norm)
   also have "... = sphere 0 1 \<inter> span ?aS"
     using eqspanS affine_hull_translation by blast
@@ -695,9 +695,9 @@
         using gim gno apply (force simp:, clarify)
         by (metis IntI fim1 gf image_eqI)
     qed (auto simp: fg gf)
-  also have "... = sphere 0 1 \<inter> op+ (-b) ` (affine hull T)"
+  also have "... = sphere 0 1 \<inter> (+) (-b) ` (affine hull T)"
     using eqspanT affine_hull_translation by blast
-  also have "... = op+ (-b) ` (sphere b 1 \<inter> affine hull T)"
+  also have "... = (+) (-b) ` (sphere b 1 \<inter> affine hull T)"
     by (auto simp: dist_norm)
   also have "... homeomorphic (sphere b 1 \<inter> affine hull T)"
     by (metis homeomorphic_translation homeomorphic_sym)
@@ -833,11 +833,11 @@
   then have inj: "inj (\<lambda>x::'a. x /\<^sub>R norm (a - b))"
     by (simp add: inj_on_def)
   have "((sphere a r \<inter> T) - {b}) homeomorphic
-        op+ (-a) ` ((sphere a r \<inter> T) - {b})"
+        (+) (-a) ` ((sphere a r \<inter> T) - {b})"
     by (rule homeomorphic_translation)
-  also have "... homeomorphic op *\<^sub>R (inverse r) ` op + (- a) ` (sphere a r \<inter> T - {b})"
+  also have "... homeomorphic ( *\<^sub>R) (inverse r) ` (+) (- a) ` (sphere a r \<inter> T - {b})"
     by (metis \<open>0 < r\<close> homeomorphic_scaling inverse_inverse_eq inverse_zero less_irrefl)
-  also have "... = sphere 0 1 \<inter> (op *\<^sub>R (inverse r) ` op + (- a) ` T) - {(b - a) /\<^sub>R r}"
+  also have "... = sphere 0 1 \<inter> (( *\<^sub>R) (inverse r) ` (+) (- a) ` T) - {(b - a) /\<^sub>R r}"
     using assms by (auto simp: dist_norm norm_minus_commute divide_simps)
   also have "... homeomorphic p"
     apply (rule homeomorphic_punctured_affine_sphere_affine_01)
@@ -928,27 +928,27 @@
   then obtain a where "a \<in> S" by auto
   obtain i::'n where i: "i \<in> Basis" "i \<noteq> 0"
     using SOME_Basis Basis_zero by force
-  have "0 \<in> affine hull (op + (- a) ` S)"
+  have "0 \<in> affine hull ((+) (- a) ` S)"
     by (simp add: \<open>a \<in> S\<close> hull_inc)
-  then have "dim (op + (- a) ` S) = aff_dim (op + (- a) ` S)"
+  then have "dim ((+) (- a) ` S) = aff_dim ((+) (- a) ` S)"
     by (simp add: aff_dim_zero)
   also have "... < DIM('n)"
     by (simp add: aff_dim_translation_eq assms)
-  finally have dd: "dim (op + (- a) ` S) < DIM('n)"
+  finally have dd: "dim ((+) (- a) ` S) < DIM('n)"
     by linarith
   obtain T where "subspace T" and Tsub: "T \<subseteq> {x. i \<bullet> x = 0}"
-             and dimT: "dim T = dim (op + (- a) ` S)"
-    apply (rule choose_subspace_of_subspace [of "dim (op + (- a) ` S)" "{x::'n. i \<bullet> x = 0}"])
+             and dimT: "dim T = dim ((+) (- a) ` S)"
+    apply (rule choose_subspace_of_subspace [of "dim ((+) (- a) ` S)" "{x::'n. i \<bullet> x = 0}"])
      apply (simp add: dim_hyperplane [OF \<open>i \<noteq> 0\<close>])
      apply (metis DIM_positive Suc_pred dd not_le not_less_eq_eq)
     apply (metis span_eq subspace_hyperplane)
     done
-  have "subspace (span (op + (- a) ` S))"
+  have "subspace (span ((+) (- a) ` S))"
     using subspace_span by blast
   then obtain h k where "linear h" "linear k"
-               and heq: "h ` span (op + (- a) ` S) = T"
-               and keq:"k ` T = span (op + (- a) ` S)"
-               and hinv [simp]:  "\<And>x. x \<in> span (op + (- a) ` S) \<Longrightarrow> k(h x) = x"
+               and heq: "h ` span ((+) (- a) ` S) = T"
+               and keq:"k ` T = span ((+) (- a) ` S)"
+               and hinv [simp]:  "\<And>x. x \<in> span ((+) (- a) ` S) \<Longrightarrow> k(h x) = x"
                and kinv [simp]:  "\<And>x. x \<in> T \<Longrightarrow> h(k x) = x"
     apply (rule isometries_subspaces [OF _ \<open>subspace T\<close>])
     apply (auto simp: dimT)
@@ -964,38 +964,38 @@
     by (metis DIM_positive Suc_eq_plus1 add.left_neutral diff_add_cancel not_le not_less_eq_eq of_nat_1 of_nat_diff)
   then obtain f g where fg: "homeomorphism (sphere 0 1 - {i}) {x. i \<bullet> x = 0} f g"
     by (force simp: homeomorphic_def)
-  have "h ` op + (- a) ` S \<subseteq> T"
+  have "h ` (+) (- a) ` S \<subseteq> T"
     using heq span_clauses(1) span_linear_image by blast
-  then have "g ` h ` op + (- a) ` S \<subseteq> g ` {x. i \<bullet> x = 0}"
+  then have "g ` h ` (+) (- a) ` S \<subseteq> g ` {x. i \<bullet> x = 0}"
     using Tsub by (simp add: image_mono)
   also have "... \<subseteq> sphere 0 1 - {i}"
     by (simp add: fg [unfolded homeomorphism_def])
-  finally have gh_sub_sph: "(g \<circ> h) ` op + (- a) ` S \<subseteq> sphere 0 1 - {i}"
+  finally have gh_sub_sph: "(g \<circ> h) ` (+) (- a) ` S \<subseteq> sphere 0 1 - {i}"
     by (metis image_comp)
-  then have gh_sub_cb: "(g \<circ> h) ` op + (- a) ` S \<subseteq> cball 0 1"
+  then have gh_sub_cb: "(g \<circ> h) ` (+) (- a) ` S \<subseteq> cball 0 1"
     by (metis Diff_subset order_trans sphere_cball)
   have [simp]: "\<And>u. u \<in> S \<Longrightarrow> norm (g (h (u - a))) = 1"
     using gh_sub_sph [THEN subsetD] by (auto simp: o_def)
-  have ghcont: "continuous_on (op + (- a) ` S) (\<lambda>x. g (h x))"
+  have ghcont: "continuous_on ((+) (- a) ` S) (\<lambda>x. g (h x))"
     apply (rule continuous_on_compose2 [OF homeomorphism_cont2 [OF fg] hcont], force)
     done
-  have kfcont: "continuous_on ((g \<circ> h \<circ> op + (- a)) ` S) (\<lambda>x. k (f x))"
+  have kfcont: "continuous_on ((g \<circ> h \<circ> (+) (- a)) ` S) (\<lambda>x. k (f x))"
     apply (rule continuous_on_compose2 [OF kcont])
     using homeomorphism_cont1 [OF fg] gh_sub_sph apply (force intro: continuous_on_subset, blast)
     done
-  have "S homeomorphic op + (- a) ` S"
+  have "S homeomorphic (+) (- a) ` S"
     by (simp add: homeomorphic_translation)
-  also have Shom: "\<dots> homeomorphic (g \<circ> h) ` op + (- a) ` S"
+  also have Shom: "\<dots> homeomorphic (g \<circ> h) ` (+) (- a) ` S"
     apply (simp add: homeomorphic_def homeomorphism_def)
     apply (rule_tac x="g \<circ> h" in exI)
     apply (rule_tac x="k \<circ> f" in exI)
     apply (auto simp: ghcont kfcont span_clauses(1) homeomorphism_apply2 [OF fg] image_comp)
     apply (force simp: o_def homeomorphism_apply2 [OF fg] span_clauses(1))
     done
-  finally have Shom: "S homeomorphic (g \<circ> h) ` op + (- a) ` S" .
+  finally have Shom: "S homeomorphic (g \<circ> h) ` (+) (- a) ` S" .
   show ?thesis
-    apply (rule_tac U = "ball 0 1 \<union> image (g o h) (op + (- a) ` S)"
-                and T = "image (g o h) (op + (- a) ` S)"
+    apply (rule_tac U = "ball 0 1 \<union> image (g o h) ((+) (- a) ` S)"
+                and T = "image (g o h) ((+) (- a) ` S)"
                     in that)
     apply (rule convex_intermediate_ball [of 0 1], force)
     using gh_sub_cb apply force
@@ -2210,26 +2210,26 @@
                 and pq'_eq: "\<And>t. t \<in> {0..1} \<Longrightarrow> p (q' t) = (f \<circ> g +++ reversepath g') t"
         using covering_space_lift_homotopic_path [OF cov homotopic_paths_sym [OF homS] \<open>path q\<close> piq refl refl]
         by auto
-      have "q' t = (h \<circ> op *\<^sub>R 2) t" if "0 \<le> t" "t \<le> 1/2" for t
-      proof (rule covering_space_lift_unique [OF cov, of q' 0 "h \<circ> op *\<^sub>R 2" "{0..1/2}" "f \<circ> g \<circ> op *\<^sub>R 2" t])
-        show "q' 0 = (h \<circ> op *\<^sub>R 2) 0"
+      have "q' t = (h \<circ> ( *\<^sub>R) 2) t" if "0 \<le> t" "t \<le> 1/2" for t
+      proof (rule covering_space_lift_unique [OF cov, of q' 0 "h \<circ> ( *\<^sub>R) 2" "{0..1/2}" "f \<circ> g \<circ> ( *\<^sub>R) 2" t])
+        show "q' 0 = (h \<circ> ( *\<^sub>R) 2) 0"
           by (metis \<open>pathstart q' = pathstart q\<close> comp_def g h pastq pathstart_def pth_4(2))
-        show "continuous_on {0..1/2} (f \<circ> g \<circ> op *\<^sub>R 2)"
+        show "continuous_on {0..1/2} (f \<circ> g \<circ> ( *\<^sub>R) 2)"
           apply (intro continuous_intros continuous_on_compose continuous_on_path [OF \<open>path g\<close>] continuous_on_subset [OF contf])
           using g(2) path_image_def by fastforce+
-        show "(f \<circ> g \<circ> op *\<^sub>R 2) ` {0..1/2} \<subseteq> S"
+        show "(f \<circ> g \<circ> ( *\<^sub>R) 2) ` {0..1/2} \<subseteq> S"
           using g(2) path_image_def fim by fastforce
-        show "(h \<circ> op *\<^sub>R 2) ` {0..1/2} \<subseteq> C"
+        show "(h \<circ> ( *\<^sub>R) 2) ` {0..1/2} \<subseteq> C"
           using h path_image_def by fastforce
         show "q' ` {0..1/2} \<subseteq> C"
           using \<open>path_image q' \<subseteq> C\<close> path_image_def by fastforce
-        show "\<And>x. x \<in> {0..1/2} \<Longrightarrow> (f \<circ> g \<circ> op *\<^sub>R 2) x = p (q' x)"
+        show "\<And>x. x \<in> {0..1/2} \<Longrightarrow> (f \<circ> g \<circ> ( *\<^sub>R) 2) x = p (q' x)"
           by (auto simp: joinpaths_def pq'_eq)
-        show "\<And>x. x \<in> {0..1/2} \<Longrightarrow> (f \<circ> g \<circ> op *\<^sub>R 2) x = p ((h \<circ> op *\<^sub>R 2) x)"
+        show "\<And>x. x \<in> {0..1/2} \<Longrightarrow> (f \<circ> g \<circ> ( *\<^sub>R) 2) x = p ((h \<circ> ( *\<^sub>R) 2) x)"
           by (simp add: phg)
         show "continuous_on {0..1/2} q'"
           by (simp add: continuous_on_path \<open>path q'\<close>)
-        show "continuous_on {0..1/2} (h \<circ> op *\<^sub>R 2)"
+        show "continuous_on {0..1/2} (h \<circ> ( *\<^sub>R) 2)"
           apply (intro continuous_intros continuous_on_compose continuous_on_path [OF \<open>path h\<close>], force)
           done
       qed (use that in auto)
--- a/src/HOL/Analysis/Improper_Integral.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Improper_Integral.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -967,7 +967,7 @@
                 by (simp add: sum.union_disjoint T''_eq disj \<open>finite A\<close> \<open>finite B\<close>)
               also have "... = (\<Sum>(x,K) \<in> A. norm (integral K h - integral K f)) +
                                (\<Sum>(x,K) \<in> B. norm (?CI K h x + integral K f))"
-                by (auto simp: A_def B_def f norm_minus_commute intro!: sum.cong arg_cong2 [where f= "op+"])
+                by (auto simp: A_def B_def f norm_minus_commute intro!: sum.cong arg_cong2 [where f= "(+)"])
               also have "... \<le> (\<Sum>(x,K)\<in>A. norm (integral K h)) +
                                  (\<Sum>(x,K)\<in>(\<lambda>(x,K). (x,K \<inter> {x. x \<bullet> i \<le> c})) ` A. norm (integral K h))
                              + ((\<Sum>(x,K)\<in>B. norm (?CI K h x)) +
@@ -1663,4 +1663,4 @@
 qed
 
 end
-  
\ No newline at end of file
+  
--- a/src/HOL/Analysis/Inner_Product.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Inner_Product.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -239,7 +239,7 @@
 instantiation real :: real_inner
 begin
 
-definition inner_real_def [simp]: "inner = op *"
+definition inner_real_def [simp]: "inner = ( * )"
 
 instance
 proof
--- a/src/HOL/Analysis/Lebesgue_Measure.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Lebesgue_Measure.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -750,10 +750,10 @@
   finally show "lebesgue = density (distr lebesgue lebesgue T) (\<lambda>_. (\<Prod>j\<in>Basis. \<bar>c j\<bar>))" .
 qed
 
-lemma lebesgue_measurable_scaling[measurable]: "op *\<^sub>R x \<in> lebesgue \<rightarrow>\<^sub>M lebesgue"
+lemma lebesgue_measurable_scaling[measurable]: "( *\<^sub>R) x \<in> lebesgue \<rightarrow>\<^sub>M lebesgue"
 proof cases
   assume "x = 0"
-  then have "op *\<^sub>R x = (\<lambda>x. 0::'a)"
+  then have "( *\<^sub>R) x = (\<lambda>x. 0::'a)"
     by (auto simp: fun_eq_iff)
   then show ?thesis by auto
 next
@@ -843,9 +843,9 @@
 
 lemma lborel_distr_mult:
   assumes "(c::real) \<noteq> 0"
-  shows "distr lborel borel (op * c) = density lborel (\<lambda>_. inverse \<bar>c\<bar>)"
+  shows "distr lborel borel (( * ) c) = density lborel (\<lambda>_. inverse \<bar>c\<bar>)"
 proof-
-  have "distr lborel borel (op * c) = distr lborel lborel (op * c)" by (simp cong: distr_cong)
+  have "distr lborel borel (( * ) c) = distr lborel lborel (( * ) c)" by (simp cong: distr_cong)
   also from assms have "... = density lborel (\<lambda>_. inverse \<bar>c\<bar>)"
     by (subst lborel_real_affine[of "inverse c" 0]) (auto simp: o_def distr_density_distr)
   finally show ?thesis .
@@ -853,18 +853,18 @@
 
 lemma lborel_distr_mult':
   assumes "(c::real) \<noteq> 0"
-  shows "lborel = density (distr lborel borel (op * c)) (\<lambda>_. \<bar>c\<bar>)"
+  shows "lborel = density (distr lborel borel (( * ) c)) (\<lambda>_. \<bar>c\<bar>)"
 proof-
   have "lborel = density lborel (\<lambda>_. 1)" by (rule density_1[symmetric])
   also from assms have "(\<lambda>_. 1 :: ennreal) = (\<lambda>_. inverse \<bar>c\<bar> * \<bar>c\<bar>)" by (intro ext) simp
   also have "density lborel ... = density (density lborel (\<lambda>_. inverse \<bar>c\<bar>)) (\<lambda>_. \<bar>c\<bar>)"
     by (subst density_density_eq) (auto simp: ennreal_mult)
-  also from assms have "density lborel (\<lambda>_. inverse \<bar>c\<bar>) = distr lborel borel (op * c)"
+  also from assms have "density lborel (\<lambda>_. inverse \<bar>c\<bar>) = distr lborel borel (( * ) c)"
     by (rule lborel_distr_mult[symmetric])
   finally show ?thesis .
 qed
 
-lemma lborel_distr_plus: "distr lborel borel (op + c) = (lborel :: real measure)"
+lemma lborel_distr_plus: "distr lborel borel ((+) c) = (lborel :: real measure)"
   by (subst lborel_real_affine[of 1 c]) (auto simp: density_1 one_ennreal_def[symmetric])
 
 interpretation lborel: sigma_finite_measure lborel
@@ -885,7 +885,7 @@
     "box (la, lb) (ua, ub) = box la ua \<times> box lb ub"
     using lu[of _ 0] lu[of 0] by (auto intro!: inj_onI simp add: Basis_prod_def ball_Un box_def)
   show "emeasure (lborel \<Otimes>\<^sub>M lborel) (box (la, lb) (ua, ub)) =
-      ennreal (prod (op \<bullet> ((ua, ub) - (la, lb))) Basis)"
+      ennreal (prod ((\<bullet>) ((ua, ub) - (la, lb))) Basis)"
     by (simp add: lborel.emeasure_pair_measure_Times Basis_prod_def prod.union_disjoint
                   prod.reindex ennreal_mult inner_diff_left prod_nonneg)
 qed (simp add: borel_prod[symmetric])
@@ -994,7 +994,7 @@
 
   let ?f = "\<lambda>n. root DIM('a) (Suc n)"
 
-  have vimage_eq_image: "op *\<^sub>R (?f n) -` S = op *\<^sub>R (1 / ?f n) ` S" for n
+  have vimage_eq_image: "( *\<^sub>R) (?f n) -` S = ( *\<^sub>R) (1 / ?f n) ` S" for n
     apply safe
     subgoal for x by (rule image_eqI[of _ _ "?f n *\<^sub>R x"]) auto
     subgoal by auto
@@ -1016,20 +1016,20 @@
     by (intro summable_iff_suminf_neq_top) (auto simp add: inverse_eq_divide)
   then have "top * emeasure lebesgue S = (\<Sum>n. (1 / ?f n)^DIM('a) * emeasure lebesgue S)"
     unfolding ennreal_suminf_multc eq by simp
-  also have "\<dots> = (\<Sum>n. emeasure lebesgue (op *\<^sub>R (?f n) -` S))"
+  also have "\<dots> = (\<Sum>n. emeasure lebesgue (( *\<^sub>R) (?f n) -` S))"
     unfolding vimage_eq_image using emeasure_lebesgue_affine[of "1 / ?f n" 0 S for n] by simp
-  also have "\<dots> = emeasure lebesgue (\<Union>n. op *\<^sub>R (?f n) -` S)"
+  also have "\<dots> = emeasure lebesgue (\<Union>n. ( *\<^sub>R) (?f n) -` S)"
   proof (intro suminf_emeasure)
-    show "disjoint_family (\<lambda>n. op *\<^sub>R (?f n) -` S)"
+    show "disjoint_family (\<lambda>n. ( *\<^sub>R) (?f n) -` S)"
       unfolding disjoint_family_on_def
     proof safe
       fix m n :: nat and x assume "m \<noteq> n" "?f m *\<^sub>R x \<in> S" "?f n *\<^sub>R x \<in> S"
       with eq1[of "?f m / ?f n" "?f n *\<^sub>R x"] show "x \<in> {}"
         by auto
     qed
-    have "op *\<^sub>R (?f i) -` S \<in> sets lebesgue" for i
+    have "( *\<^sub>R) (?f i) -` S \<in> sets lebesgue" for i
       using measurable_sets[OF lebesgue_measurable_scaling[of "?f i"] S] by auto
-    then show "range (\<lambda>i. op *\<^sub>R (?f i) -` S) \<subseteq> sets lebesgue"
+    then show "range (\<lambda>i. ( *\<^sub>R) (?f i) -` S) \<subseteq> sets lebesgue"
       by auto
   qed
   also have "\<dots> \<le> emeasure lebesgue (ball 0 M :: 'a set)"
--- a/src/HOL/Analysis/Linear_Algebra.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Linear_Algebra.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -980,7 +980,7 @@
       by (intro sum.mono_neutral_cong_left) (auto intro: X)
     also have "\<dots> = (\<Sum>z\<in>{z. X x z \<noteq> 0}. X x z *\<^sub>R z) + (\<Sum>z\<in>{z. X y z \<noteq> 0}. X y z *\<^sub>R z)"
       by (auto simp add: scaleR_add_left sum.distrib
-               intro!: arg_cong2[where f="op +"]  sum.mono_neutral_cong_right X)
+               intro!: arg_cong2[where f="(+)"]  sum.mono_neutral_cong_right X)
     also have "\<dots> = x + y"
       by (simp add: X(3)[symmetric])
     also have "\<dots> = (\<Sum>z | X (x + y) z \<noteq> 0. X (x + y) z *\<^sub>R z)"
@@ -1024,7 +1024,7 @@
     show "g (x + y) = g x + g y"
       unfolding g_def X_add *
       by (auto simp add: scaleR_add_left sum.distrib
-               intro!: arg_cong2[where f="op +"]  sum.mono_neutral_cong_right X)
+               intro!: arg_cong2[where f="(+)"]  sum.mono_neutral_cong_right X)
   next
     show "g (r *\<^sub>R x) = r *\<^sub>R g x" for r x
       by (auto simp add: g_def X_cmult scaleR_sum_right intro!: sum.mono_neutral_cong_left X)
@@ -1398,7 +1398,7 @@
   by (simp add: norm_eq_sqrt_inner)
 
 
-text\<open>Equality of vectors in terms of @{term "op \<bullet>"} products.\<close>
+text\<open>Equality of vectors in terms of @{term "(\<bullet>)"} products.\<close>
 
 lemma linear_componentwise:
   fixes f:: "'a::euclidean_space \<Rightarrow> 'b::real_inner"
--- a/src/HOL/Analysis/Measure_Space.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Measure_Space.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -2348,7 +2348,7 @@
   case True
   show ?thesis
   proof (rule emeasure_measure_of[OF restrict_space_def])
-    show "op \<inter> \<Omega> ` sets M \<subseteq> Pow (\<Omega> \<inter> space M)" "A \<in> sets (restrict_space M \<Omega>)"
+    show "(\<inter>) \<Omega> ` sets M \<subseteq> Pow (\<Omega> \<inter> space M)" "A \<in> sets (restrict_space M \<Omega>)"
       using \<open>A \<subseteq> \<Omega>\<close> \<open>A \<in> sets M\<close> sets.space_closed by (auto simp: sets_restrict_space)
     show "positive (sets (restrict_space M \<Omega>)) (emeasure M)"
       by (auto simp: positive_def)
@@ -2427,7 +2427,7 @@
   from sigma_finite_countable obtain C
     where C: "countable C" "C \<subseteq> sets M" "(\<Union>C) = space M" "\<forall>a\<in>C. emeasure M a \<noteq> \<infinity>"
     by blast
-  let ?C = "op \<inter> A ` C"
+  let ?C = "(\<inter>) A ` C"
   from C have "countable ?C" "?C \<subseteq> sets (restrict_space M A)" "(\<Union>?C) = space (restrict_space M A)"
     by(auto simp add: sets_restrict_space space_restrict_space)
   moreover {
@@ -2861,7 +2861,7 @@
       also have "\<dots> = ?S (\<Union>i. X i)"
         unfolding UN_extend_simps(4)
         by (auto simp add: suminf_add[symmetric] Diff_eq[symmetric] simp del: UN_simps
-                 intro!: SUP_cong arg_cong2[where f="op +"] suminf_emeasure
+                 intro!: SUP_cong arg_cong2[where f="(+)"] suminf_emeasure
                          disjoint_family_on_bisimulation[OF \<open>disjoint_family X\<close>])
       finally show "(\<Sum>i. ?S (X i)) = ?S (\<Union>i. X i)" .
     qed
@@ -3395,13 +3395,13 @@
 
 lemma emeasure_SUP_chain:
   assumes sets: "\<And>i. i \<in> A \<Longrightarrow> sets (M i) = sets N" "X \<in> sets N"
-  assumes ch: "Complete_Partial_Order.chain op \<le> (M ` A)" and "A \<noteq> {}"
+  assumes ch: "Complete_Partial_Order.chain (\<le>) (M ` A)" and "A \<noteq> {}"
   shows "emeasure (SUP i:A. M i) X = (SUP i:A. emeasure (M i) X)"
 proof (subst emeasure_SUP[OF sets \<open>A \<noteq> {}\<close>])
   show "(SUP J:{J. J \<noteq> {} \<and> finite J \<and> J \<subseteq> A}. emeasure (SUPREMUM J M) X) = (SUP i:A. emeasure (M i) X)"
   proof (rule SUP_eq)
     fix J assume "J \<in> {J. J \<noteq> {} \<and> finite J \<and> J \<subseteq> A}"
-    then have J: "Complete_Partial_Order.chain op \<le> (M ` J)" "finite J" "J \<noteq> {}" and "J \<subseteq> A"
+    then have J: "Complete_Partial_Order.chain (\<le>) (M ` J)" "finite J" "J \<noteq> {}" and "J \<subseteq> A"
       using ch[THEN chain_subset, of "M`J"] by auto
     with in_chain_finite[OF J(1)] obtain j where "j \<in> J" "(SUP j:J. M j) = M j"
       by auto
--- a/src/HOL/Analysis/Nonnegative_Lebesgue_Integration.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Nonnegative_Lebesgue_Integration.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -276,11 +276,11 @@
   thus ?thesis by (simp_all add: comp_def)
 qed
 
-lemmas simple_function_add[intro, simp] = simple_function_compose2[where h="op +"]
-  and simple_function_diff[intro, simp] = simple_function_compose2[where h="op -"]
+lemmas simple_function_add[intro, simp] = simple_function_compose2[where h="(+)"]
+  and simple_function_diff[intro, simp] = simple_function_compose2[where h="(-)"]
   and simple_function_uminus[intro, simp] = simple_function_compose[where g="uminus"]
-  and simple_function_mult[intro, simp] = simple_function_compose2[where h="op *"]
-  and simple_function_div[intro, simp] = simple_function_compose2[where h="op /"]
+  and simple_function_mult[intro, simp] = simple_function_compose2[where h="( * )"]
+  and simple_function_div[intro, simp] = simple_function_compose2[where h="(/)"]
   and simple_function_inverse[intro, simp] = simple_function_compose[where g="inverse"]
   and simple_function_max[intro, simp] = simple_function_compose2[where h=max]
 
@@ -760,7 +760,7 @@
     using assms by (intro simple_function_partition) auto
   also have "\<dots> = (\<Sum>y\<in>(\<lambda>x. (f x, indicator A x::ennreal))`space M.
     if snd y = 1 then fst y * emeasure M (f -` {fst y} \<inter> space M \<inter> A) else 0)"
-    by (auto simp: indicator_def split: if_split_asm intro!: arg_cong2[where f="op *"] arg_cong2[where f=emeasure] sum.cong)
+    by (auto simp: indicator_def split: if_split_asm intro!: arg_cong2[where f="( * )"] arg_cong2[where f=emeasure] sum.cong)
   also have "\<dots> = (\<Sum>y\<in>(\<lambda>x. (f x, 1::ennreal))`A. fst y * emeasure M (f -` {fst y} \<inter> space M \<inter> A))"
     using assms by (subst sum.If_cases) (auto intro!: simple_functionD(1) simp: eq)
   also have "\<dots> = (\<Sum>y\<in>fst`(\<lambda>x. (f x, 1::ennreal))`A. y * emeasure M (f -` {y} \<inter> space M \<inter> A))"
@@ -1873,7 +1873,7 @@
 
 lemma nn_integral_monotone_convergence_SUP_nat:
   fixes f :: "'a \<Rightarrow> nat \<Rightarrow> ennreal"
-  assumes chain: "Complete_Partial_Order.chain op \<le> (f ` Y)"
+  assumes chain: "Complete_Partial_Order.chain (\<le>) (f ` Y)"
   and nonempty: "Y \<noteq> {}"
   shows "(\<integral>\<^sup>+ x. (SUP i:Y. f i x) \<partial>count_space UNIV) = (SUP i:Y. (\<integral>\<^sup>+ x. f i x \<partial>count_space UNIV))"
   (is "?lhs = ?rhs" is "integral\<^sup>N ?M _ = _")
@@ -1913,7 +1913,7 @@
         case True
         let ?Y = "I ` {..<m}"
         have "f ` ?Y \<subseteq> f ` Y" using I by auto
-        with chain have chain': "Complete_Partial_Order.chain op \<le> (f ` ?Y)" by(rule chain_subset)
+        with chain have chain': "Complete_Partial_Order.chain (\<le>) (f ` ?Y)" by(rule chain_subset)
         hence "Sup (f ` ?Y) \<in> f ` ?Y"
           by(rule ccpo_class.in_chain_finite)(auto simp add: True lessThan_empty_iff)
         then obtain m' where "m' < m" and m': "(SUP i:?Y. f i) = f (I m')" by auto
--- a/src/HOL/Analysis/Path_Connected.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Path_Connected.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1659,7 +1659,7 @@
   fixes a :: "'a :: topological_group_add"
   shows "path_connected ((\<lambda>x. a + x) ` S) = path_connected S"
 proof -
-  have "\<forall>x y. op + (x::'a) ` op + (0 - x) ` y = y"
+  have "\<forall>x y. (+) (x::'a) ` (+) (0 - x) ` y = y"
     by (simp add: image_image)
   then show ?thesis
     by (metis (no_types) path_connected_translationI)
@@ -1738,7 +1738,7 @@
     case True then show ?thesis
       by (simp add: path_component_refl_eq pathstart_def)
   next
-    case False have "continuous_on {0..1} (p o (op* y))"
+    case False have "continuous_on {0..1} (p o (( * ) y))"
       apply (rule continuous_intros)+
       using p [unfolded path_def] y
       apply (auto simp: mult_le_one intro: continuous_on_subset [of _ p])
@@ -2012,7 +2012,7 @@
     by (intro path_connected_continuous_image path_connected_punctured_universe assms)
   with eq have "path_connected (sphere (0::'a) r)"
     by auto
-  then have "path_connected(op + a ` (sphere (0::'a) r))"
+  then have "path_connected((+) a ` (sphere (0::'a) r))"
     by (simp add: path_connected_translation)
   then show ?thesis
     by (metis add.right_neutral sphere_translation)
@@ -2241,7 +2241,7 @@
   assumes "DIM('a) = 1" and "r > 0"
   obtains x y where "sphere a r = {x,y} \<and> dist x y = 2*r"
 proof -
-  have "sphere a r = op + a ` sphere 0 r"
+  have "sphere a r = (+) a ` sphere 0 r"
     by (metis add.right_neutral sphere_translation)
   then show ?thesis
     using sphere_1D_doubleton_zero [OF assms]
@@ -2282,7 +2282,7 @@
   assumes 2: "2 \<le> DIM('N)" and pc: "path_connected {r. 0 \<le> r \<and> P r}"
   shows "path_connected {x. P(norm(x - a))}"
 proof -
-  have "{x. P(norm(x - a))} = op+ a ` {x. P(norm x)}"
+  have "{x. P(norm(x - a))} = (+) a ` {x. P(norm x)}"
     by force
   moreover have "path_connected {x::'N. P(norm x)}"
   proof -
@@ -6534,13 +6534,13 @@
 next
   case False
   then obtain a b where ab: "a \<in> S" "b \<in> T" by auto
-  then have ss: "subspace (op + (- a) ` S)" "subspace (op + (- b) ` T)"
+  then have ss: "subspace ((+) (- a) ` S)" "subspace ((+) (- b) ` T)"
     using affine_diffs_subspace assms by blast+
-  have dd: "dim (op + (- a) ` S) = dim (op + (- b) ` T)"
+  have dd: "dim ((+) (- a) ` S) = dim ((+) (- b) ` T)"
     using assms ab  by (simp add: aff_dim_eq_dim  [OF hull_inc] image_def)
-  have "S homeomorphic (op + (- a) ` S)"
+  have "S homeomorphic ((+) (- a) ` S)"
     by (simp add: homeomorphic_translation)
-  also have "... homeomorphic (op + (- b) ` T)"
+  also have "... homeomorphic ((+) (- b) ` T)"
     by (rule homeomorphic_subspaces [OF ss dd])
   also have "... homeomorphic T"
     using homeomorphic_sym homeomorphic_translation by auto
@@ -6792,7 +6792,7 @@
 
 lemma homotopy_eqv_translation:
     fixes S :: "'a::real_normed_vector set"
-    shows "op + a ` S homotopy_eqv S"
+    shows "(+) a ` S homotopy_eqv S"
   apply (rule homeomorphic_imp_homotopy_eqv)
   using homeomorphic_translation homeomorphic_sym by blast
 
--- a/src/HOL/Analysis/Polytope.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Polytope.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -18,9 +18,9 @@
   unfolding face_of_def by blast
 
 lemma face_of_translation_eq [simp]:
-    "(op + a ` T face_of op + a ` S) \<longleftrightarrow> T face_of S"
+    "((+) a ` T face_of (+) a ` S) \<longleftrightarrow> T face_of S"
 proof -
-  have *: "\<And>a T S. T face_of S \<Longrightarrow> (op + a ` T face_of op + a ` S)"
+  have *: "\<And>a T S. T face_of S \<Longrightarrow> ((+) a ` T face_of (+) a ` S)"
     apply (simp add: face_of_def Ball_def, clarify)
     apply (drule open_segment_translation_eq [THEN iffD1])
     using inj_image_mem_iff inj_add_left apply metis
@@ -1125,7 +1125,7 @@
           and ab: "\<And>x. x \<in> closure(convex hull {x. x extreme_point_of S}) \<Longrightarrow> b < a \<bullet> x"
       using separating_hyperplane_closed_point [of "closure(convex hull {x. x extreme_point_of S})"]
       by blast
-    have "continuous_on S (op \<bullet> a)"
+    have "continuous_on S ((\<bullet>) a)"
       by (rule continuous_intros)+
     then obtain m where "m \<in> S" and m: "\<And>y. y \<in> S \<Longrightarrow> a \<bullet> m \<le> a \<bullet> y"
       using continuous_attains_inf [of S "\<lambda>x. a \<bullet> x"] \<open>compact S\<close> \<open>u \<in> S\<close>
@@ -1206,9 +1206,9 @@
   show "S \<subseteq> convex hull {x. x extreme_point_of S}"
   proof
     fix a assume [simp]: "a \<in> S"
-    have 1: "compact (op + (- a) ` S)"
+    have 1: "compact ((+) (- a) ` S)"
       by (simp add: \<open>compact S\<close> compact_translation)
-    have 2: "convex (op + (- a) ` S)"
+    have 2: "convex ((+) (- a) ` S)"
       by (simp add: \<open>convex S\<close> convex_translation)
     show a_invex: "a \<in> convex hull {x. x extreme_point_of S}"
       using Krein_Milman_Minkowski_aux [OF refl 1 2]
@@ -1630,9 +1630,9 @@
 proof -
   obtain v where "finite v" "S = convex hull v"
     using assms polytope_def by auto
-  have "finite (op hull convex ` {T. T \<subseteq> v})"
+  have "finite ((hull) convex ` {T. T \<subseteq> v})"
     by (simp add: \<open>finite v\<close>)
-  moreover have "{F. F face_of S} \<subseteq> (op hull convex ` {T. T \<subseteq> v})"
+  moreover have "{F. F face_of S} \<subseteq> ((hull) convex ` {T. T \<subseteq> v})"
     by (metis (no_types, lifting) \<open>finite v\<close> \<open>S = convex hull v\<close> face_of_convex_hull_subset finite_imp_compact image_eqI mem_Collect_eq subsetI)
   ultimately show ?thesis
     by (blast intro: finite_subset)
@@ -2503,9 +2503,9 @@
       case 1 then show ?thesis .
     next
       case 2
-      have "Collect (op \<in> x) \<notin> Collect (op \<in> (\<Union>{A. A facet_of S}))"
+      have "Collect ((\<in>) x) \<notin> Collect ((\<in>) (\<Union>{A. A facet_of S}))"
         using xnot by fastforce
-      then have "F \<notin> Collect (op \<in> h)"
+      then have "F \<notin> Collect ((\<in>) h)"
         using 2 \<open>x \<in> S\<close> facet by blast
       with \<open>h \<in> F\<close> have "\<Inter>F \<subseteq> S \<inter> {x. a h \<bullet> x = b h}" by blast
       with 2 that \<open>x \<in> \<Inter>F\<close> show ?thesis
@@ -2661,7 +2661,7 @@
     apply (auto simp: \<open>bij h\<close> bij_is_surj image_f_inv_f)
     done
   have "inj h" using bij_is_inj assms by blast
-  then have injim: "inj_on (op ` h) A" for A
+  then have injim: "inj_on ((`) h) A" for A
     by (simp add: inj_on_def inj_image_eq_iff)
   show ?thesis
     using \<open>linear h\<close> \<open>inj h\<close>
--- a/src/HOL/Analysis/Riemann_Mapping.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Riemann_Mapping.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -138,17 +138,17 @@
     proof (intro bdd_aboveI exI ballI, clarify)
       show "norm (deriv f 0) \<le> 1 / r" if "f \<in> F" for f
       proof -
-        have r01: "op * (complex_of_real r) ` ball 0 1 \<subseteq> S"
+        have r01: "( * ) (complex_of_real r) ` ball 0 1 \<subseteq> S"
           using that \<open>r > 0\<close> by (auto simp: norm_mult r [THEN subsetD])
-        then have "f holomorphic_on op * (complex_of_real r) ` ball 0 1"
+        then have "f holomorphic_on ( * ) (complex_of_real r) ` ball 0 1"
           using holomorphic_on_subset [OF holF] by (simp add: that)
         then have holf: "f \<circ> (\<lambda>z. (r * z)) holomorphic_on (ball 0 1)"
           by (intro holomorphic_intros holomorphic_on_compose)
-        have f0: "(f \<circ> op * (complex_of_real r)) 0 = 0"
+        have f0: "(f \<circ> ( * ) (complex_of_real r)) 0 = 0"
           using F_def that by auto
         have "f ` S \<subseteq> ball 0 1"
           using F_def that by blast
-        with r01 have fr1: "\<And>z. norm z < 1 \<Longrightarrow> norm ((f \<circ> op*(of_real r))z) < 1"
+        with r01 have fr1: "\<And>z. norm z < 1 \<Longrightarrow> norm ((f \<circ> ( * )(of_real r))z) < 1"
           by force
         have *: "((\<lambda>w. f (r * w)) has_field_derivative deriv f (r * z) * r) (at z)"
           if "z \<in> ball 0 1" for z::complex
@@ -162,7 +162,7 @@
           using * [of 0] by simp
         have deq: "deriv (\<lambda>x. f (complex_of_real r * x)) 0 = deriv f 0 * complex_of_real r"
           using DERIV_imp_deriv df0 by blast
-        have "norm (deriv (f \<circ> op * (complex_of_real r)) 0) \<le> 1"
+        have "norm (deriv (f \<circ> ( * ) (complex_of_real r)) 0) \<le> 1"
           by (auto intro: Schwarz_Lemma [OF holf f0 fr1, of 0])
         with \<open>r > 0\<close> show ?thesis
           by (simp add: deq norm_mult divide_simps o_def)
--- a/src/HOL/Analysis/Set_Integral.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Set_Integral.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -310,7 +310,7 @@
     by (auto intro!: set_integral_Un set_integrable_subset[OF f])
   also have "\<dots> = (LINT x:A|M. f x) + (LINT x:B|M. f x)"
     using ae
-    by (intro arg_cong2[where f="op+"] set_integral_cong_set)
+    by (intro arg_cong2[where f="(+)"] set_integral_cong_set)
        (auto intro!: set_borel_measurable_subset[OF f'])
   finally show ?thesis .
 qed
--- a/src/HOL/Analysis/Sigma_Algebra.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Sigma_Algebra.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -217,7 +217,7 @@
 subsubsection \<open>Restricted algebras\<close>
 
 abbreviation (in algebra)
-  "restricted_space A \<equiv> (op \<inter> A) ` M"
+  "restricted_space A \<equiv> ((\<inter>) A) ` M"
 
 lemma (in algebra) restricted_algebra:
   assumes "A \<in> M" shows "algebra A (restricted_space A)"
@@ -617,11 +617,11 @@
 
 lemma sigma_sets_Int:
   assumes "A \<in> sigma_sets sp st" "A \<subseteq> sp"
-  shows "op \<inter> A ` sigma_sets sp st = sigma_sets A (op \<inter> A ` st)"
+  shows "(\<inter>) A ` sigma_sets sp st = sigma_sets A ((\<inter>) A ` st)"
 proof (intro equalityI subsetI)
-  fix x assume "x \<in> op \<inter> A ` sigma_sets sp st"
+  fix x assume "x \<in> (\<inter>) A ` sigma_sets sp st"
   then obtain y where "y \<in> sigma_sets sp st" "x = y \<inter> A" by auto
-  then have "x \<in> sigma_sets (A \<inter> sp) (op \<inter> A ` st)"
+  then have "x \<in> sigma_sets (A \<inter> sp) ((\<inter>) A ` st)"
   proof (induct arbitrary: x)
     case (Compl a)
     then show ?case
@@ -632,11 +632,11 @@
       by (auto intro!: sigma_sets.Union
                simp add: UN_extend_simps simp del: UN_simps)
   qed (auto intro!: sigma_sets.intros(2-))
-  then show "x \<in> sigma_sets A (op \<inter> A ` st)"
+  then show "x \<in> sigma_sets A ((\<inter>) A ` st)"
     using \<open>A \<subseteq> sp\<close> by (simp add: Int_absorb2)
 next
-  fix x assume "x \<in> sigma_sets A (op \<inter> A ` st)"
-  then show "x \<in> op \<inter> A ` sigma_sets sp st"
+  fix x assume "x \<in> sigma_sets A ((\<inter>) A ` st)"
+  then show "x \<in> (\<inter>) A ` sigma_sets sp st"
   proof induct
     case (Compl a)
     then obtain x where "a = A \<inter> x" "x \<in> sigma_sets sp st" by auto
@@ -2087,7 +2087,7 @@
 subsubsection \<open>Restricted Space Sigma Algebra\<close>
 
 definition restrict_space where
-  "restrict_space M \<Omega> = measure_of (\<Omega> \<inter> space M) ((op \<inter> \<Omega>) ` sets M) (emeasure M)"
+  "restrict_space M \<Omega> = measure_of (\<Omega> \<inter> space M) (((\<inter>) \<Omega>) ` sets M) (emeasure M)"
 
 lemma space_restrict_space: "space (restrict_space M \<Omega>) = \<Omega> \<inter> space M"
   using sets.sets_into_space unfolding restrict_space_def by (subst space_measure_of) auto
@@ -2095,10 +2095,10 @@
 lemma space_restrict_space2: "\<Omega> \<in> sets M \<Longrightarrow> space (restrict_space M \<Omega>) = \<Omega>"
   by (simp add: space_restrict_space sets.sets_into_space)
 
-lemma sets_restrict_space: "sets (restrict_space M \<Omega>) = (op \<inter> \<Omega>) ` sets M"
+lemma sets_restrict_space: "sets (restrict_space M \<Omega>) = ((\<inter>) \<Omega>) ` sets M"
   unfolding restrict_space_def
 proof (subst sets_measure_of)
-  show "op \<inter> \<Omega> ` sets M \<subseteq> Pow (\<Omega> \<inter> space M)"
+  show "(\<inter>) \<Omega> ` sets M \<subseteq> Pow (\<Omega> \<inter> space M)"
     by (auto dest: sets.sets_into_space)
   have "sigma_sets (\<Omega> \<inter> space M) {((\<lambda>x. x) -` X) \<inter> (\<Omega> \<inter> space M) | X. X \<in> sets M} =
     (\<lambda>X. X \<inter> (\<Omega> \<inter> space M)) ` sets M"
@@ -2106,9 +2106,9 @@
        (auto simp add: sets.sigma_sets_eq)
   moreover have "{((\<lambda>x. x) -` X) \<inter> (\<Omega> \<inter> space M) | X. X \<in> sets M} = (\<lambda>X. X \<inter> (\<Omega> \<inter> space M)) `  sets M"
     by auto
-  moreover have "(\<lambda>X. X \<inter> (\<Omega> \<inter> space M)) `  sets M = (op \<inter> \<Omega>) ` sets M"
+  moreover have "(\<lambda>X. X \<inter> (\<Omega> \<inter> space M)) `  sets M = ((\<inter>) \<Omega>) ` sets M"
     by (intro image_cong) (auto dest: sets.sets_into_space)
-  ultimately show "sigma_sets (\<Omega> \<inter> space M) (op \<inter> \<Omega> ` sets M) = op \<inter> \<Omega> ` sets M"
+  ultimately show "sigma_sets (\<Omega> \<inter> space M) ((\<inter>) \<Omega> ` sets M) = (\<inter>) \<Omega> ` sets M"
     by simp
 qed
 
--- a/src/HOL/Analysis/Starlike.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Starlike.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1277,13 +1277,13 @@
       using as(3)
       unfolding substdbasis_expansion_unique[OF assms]
       by auto
-    then have **: "sum u ?D = sum (op \<bullet> x) ?D"
+    then have **: "sum u ?D = sum ((\<bullet>) x) ?D"
       apply -
       apply (rule sum.cong)
       using assms
       apply auto
       done
-    have "(\<forall>i\<in>Basis. 0 \<le> x\<bullet>i) \<and> sum (op \<bullet> x) ?D \<le> 1"
+    have "(\<forall>i\<in>Basis. 0 \<le> x\<bullet>i) \<and> sum ((\<bullet>) x) ?D \<le> 1"
     proof (rule,rule)
       fix i :: 'a
       assume i: "i \<in> Basis"
@@ -1296,11 +1296,11 @@
         using \<open>(\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x \<bullet> i = 0)\<close>[rule_format, OF i] by auto
       ultimately show "0 \<le> x\<bullet>i" by auto
     qed (insert as(2)[unfolded **], auto)
-    then show "(\<forall>i\<in>Basis. 0 \<le> x\<bullet>i) \<and> sum (op \<bullet> x) ?D \<le> 1 \<and> (\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x \<bullet> i = 0)"
+    then show "(\<forall>i\<in>Basis. 0 \<le> x\<bullet>i) \<and> sum ((\<bullet>) x) ?D \<le> 1 \<and> (\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x \<bullet> i = 0)"
       using \<open>(\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x \<bullet> i = 0)\<close> by auto
   next
     fix x :: "'a::euclidean_space"
-    assume as: "\<forall>i\<in>Basis. 0 \<le> x \<bullet> i" "sum (op \<bullet> x) ?D \<le> 1" "(\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x \<bullet> i = 0)"
+    assume as: "\<forall>i\<in>Basis. 0 \<le> x \<bullet> i" "sum ((\<bullet>) x) ?D \<le> 1" "(\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x \<bullet> i = 0)"
     show "\<exists>u. (\<forall>x\<in>?D. 0 \<le> u x) \<and> sum u ?D \<le> 1 \<and> (\<Sum>x\<in>?D. u x *\<^sub>R x) = x"
       using as d
       unfolding substdbasis_expansion_unique[OF assms]
@@ -1329,8 +1329,8 @@
 proof -
   fix x :: 'a
   fix e
-  assume "e > 0" and as: "\<forall>xa. dist x xa < e \<longrightarrow> (\<forall>x\<in>Basis. 0 \<le> xa \<bullet> x) \<and> sum (op \<bullet> xa) Basis \<le> 1"
-  show "(\<forall>xa\<in>Basis. 0 < x \<bullet> xa) \<and> sum (op \<bullet> x) Basis < 1"
+  assume "e > 0" and as: "\<forall>xa. dist x xa < e \<longrightarrow> (\<forall>x\<in>Basis. 0 \<le> xa \<bullet> x) \<and> sum ((\<bullet>) xa) Basis \<le> 1"
+  show "(\<forall>xa\<in>Basis. 0 < x \<bullet> xa) \<and> sum ((\<bullet>) x) Basis < 1"
     apply safe
   proof -
     fix i :: 'a
@@ -1346,12 +1346,12 @@
     have "\<And>i. i \<in> Basis \<Longrightarrow> (x + (e / 2) *\<^sub>R (SOME i. i\<in>Basis)) \<bullet> i =
       x\<bullet>i + (if i = (SOME i. i\<in>Basis) then e/2 else 0)"
       by (auto simp: SOME_Basis inner_Basis inner_simps)
-    then have *: "sum (op \<bullet> (x + (e / 2) *\<^sub>R (SOME i. i\<in>Basis))) Basis =
+    then have *: "sum ((\<bullet>) (x + (e / 2) *\<^sub>R (SOME i. i\<in>Basis))) Basis =
       sum (\<lambda>i. x\<bullet>i + (if (SOME i. i\<in>Basis) = i then e/2 else 0)) Basis"
       apply (rule_tac sum.cong)
       apply auto
       done
-    have "sum (op \<bullet> x) Basis < sum (op \<bullet> (x + (e / 2) *\<^sub>R (SOME i. i\<in>Basis))) Basis"
+    have "sum ((\<bullet>) x) Basis < sum ((\<bullet>) (x + (e / 2) *\<^sub>R (SOME i. i\<in>Basis))) Basis"
       unfolding * sum.distrib
       using \<open>e > 0\<close> DIM_positive[where 'a='a]
       apply (subst sum.delta')
@@ -1362,18 +1362,18 @@
       apply (drule_tac as[rule_format])
       apply auto
       done
-    finally show "sum (op \<bullet> x) Basis < 1" by auto
+    finally show "sum ((\<bullet>) x) Basis < 1" by auto
   qed
 next
   fix x :: 'a
-  assume as: "\<forall>i\<in>Basis. 0 < x \<bullet> i" "sum (op \<bullet> x) Basis < 1"
+  assume as: "\<forall>i\<in>Basis. 0 < x \<bullet> i" "sum ((\<bullet>) x) Basis < 1"
   obtain a :: 'b where "a \<in> UNIV" using UNIV_witness ..
-  let ?d = "(1 - sum (op \<bullet> x) Basis) / real (DIM('a))"
-  show "\<exists>e>0. \<forall>y. dist x y < e \<longrightarrow> (\<forall>i\<in>Basis. 0 \<le> y \<bullet> i) \<and> sum (op \<bullet> y) Basis \<le> 1"
-  proof (rule_tac x="min (Min ((op \<bullet> x) ` Basis)) D" for D in exI, intro conjI impI allI)
+  let ?d = "(1 - sum ((\<bullet>) x) Basis) / real (DIM('a))"
+  show "\<exists>e>0. \<forall>y. dist x y < e \<longrightarrow> (\<forall>i\<in>Basis. 0 \<le> y \<bullet> i) \<and> sum ((\<bullet>) y) Basis \<le> 1"
+  proof (rule_tac x="min (Min (((\<bullet>) x) ` Basis)) D" for D in exI, intro conjI impI allI)
     fix y
-    assume y: "dist x y < min (Min (op \<bullet> x ` Basis)) ?d"
-    have "sum (op \<bullet> y) Basis \<le> sum (\<lambda>i. x\<bullet>i + ?d) Basis"
+    assume y: "dist x y < min (Min ((\<bullet>) x ` Basis)) ?d"
+    have "sum ((\<bullet>) y) Basis \<le> sum (\<lambda>i. x\<bullet>i + ?d) Basis"
     proof (rule sum_mono)
       fix i :: 'a
       assume i: "i \<in> Basis"
@@ -1389,7 +1389,7 @@
     also have "\<dots> \<le> 1"
       unfolding sum.distrib sum_constant
       by (auto simp add: Suc_le_eq)
-    finally show "sum (op \<bullet> y) Basis \<le> 1" .
+    finally show "sum ((\<bullet>) y) Basis \<le> 1" .
     show "(\<forall>i\<in>Basis. 0 \<le> y \<bullet> i)"
     proof safe
       fix i :: 'a
@@ -1405,11 +1405,11 @@
         by (auto simp: inner_simps)
     qed
   next
-    have "Min ((op \<bullet> x) ` Basis) > 0"
+    have "Min (((\<bullet>) x) ` Basis) > 0"
       using as by simp
     moreover have "?d > 0"
       using as by (auto simp: Suc_le_eq)
-    ultimately show "0 < min (Min (op \<bullet> x ` Basis)) ((1 - sum (op \<bullet> x) Basis) / real DIM('a))"
+    ultimately show "0 < min (Min ((\<bullet>) x ` Basis)) ((1 - sum ((\<bullet>) x) Basis) / real DIM('a))"
       by linarith
   qed 
 qed
@@ -1436,7 +1436,7 @@
     show "0 < ?a \<bullet> i"
       unfolding **[OF i] by (auto simp add: Suc_le_eq DIM_positive)
   next
-    have "sum (op \<bullet> ?a) ?D = sum (\<lambda>i. inverse (2 * real DIM('a))) ?D"
+    have "sum ((\<bullet>) ?a) ?D = sum (\<lambda>i. inverse (2 * real DIM('a))) ?D"
       apply (rule sum.cong)
       apply rule
       apply auto
@@ -1444,7 +1444,7 @@
     also have "\<dots> < 1"
       unfolding sum_constant divide_inverse[symmetric]
       by (auto simp add: field_simps)
-    finally show "sum (op \<bullet> ?a) ?D < 1" by auto
+    finally show "sum ((\<bullet>) ?a) ?D < 1" by auto
   qed
 qed
 
@@ -1478,11 +1478,11 @@
         "ball x e \<inter> {xa. (\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> xa\<bullet>i = 0)} \<subseteq> convex hull (insert 0 ?p)"
         using mem_rel_interior_ball[of x "convex hull (insert 0 ?p)"] h0 by auto
       then have as: "\<forall>xa. dist x xa < e \<and> (\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> xa\<bullet>i = 0) \<longrightarrow>
-        (\<forall>i\<in>d. 0 \<le> xa \<bullet> i) \<and> sum (op \<bullet> xa) d \<le> 1"
+        (\<forall>i\<in>d. 0 \<le> xa \<bullet> i) \<and> sum ((\<bullet>) xa) d \<le> 1"
         unfolding ball_def unfolding substd_simplex[OF assms] using assms by auto
       have x0: "(\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x\<bullet>i = 0)"
         using x rel_interior_subset  substd_simplex[OF assms] by auto
-      have "(\<forall>i\<in>d. 0 < x \<bullet> i) \<and> sum (op \<bullet> x) d < 1 \<and> (\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x\<bullet>i = 0)"
+      have "(\<forall>i\<in>d. 0 < x \<bullet> i) \<and> sum ((\<bullet>) x) d < 1 \<and> (\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x\<bullet>i = 0)"
         apply rule
         apply rule
       proof -
@@ -1509,14 +1509,14 @@
           by auto
         have "\<And>i. i \<in> Basis \<Longrightarrow> (x + (e / 2) *\<^sub>R a) \<bullet> i = x\<bullet>i + (if i = a then e/2 else 0)"
           using a d by (auto simp: inner_simps inner_Basis)
-        then have *: "sum (op \<bullet> (x + (e / 2) *\<^sub>R a)) d =
+        then have *: "sum ((\<bullet>) (x + (e / 2) *\<^sub>R a)) d =
           sum (\<lambda>i. x\<bullet>i + (if a = i then e/2 else 0)) d"
           using d by (intro sum.cong) auto
         have "a \<in> Basis"
           using \<open>a \<in> d\<close> d by auto
         then have h1: "(\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> (x + (e / 2) *\<^sub>R a) \<bullet> i = 0)"
           using x0 d \<open>a\<in>d\<close> by (auto simp add: inner_add_left inner_Basis)
-        have "sum (op \<bullet> x) d < sum (op \<bullet> (x + (e / 2) *\<^sub>R a)) d"
+        have "sum ((\<bullet>) x) d < sum ((\<bullet>) (x + (e / 2) *\<^sub>R a)) d"
           unfolding * sum.distrib
           using \<open>e > 0\<close> \<open>a \<in> d\<close>
           using \<open>finite d\<close>
@@ -1524,7 +1524,7 @@
         also have "\<dots> \<le> 1"
           using ** h1 as[rule_format, of "x + (e / 2) *\<^sub>R a"]
           by auto
-        finally show "sum (op \<bullet> x) d < 1 \<and> (\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x\<bullet>i = 0)"
+        finally show "sum ((\<bullet>) x) d < 1 \<and> (\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x\<bullet>i = 0)"
           using x0 by auto
       qed
     }
@@ -1543,28 +1543,28 @@
         unfolding substd_simplex[OF assms] by fastforce
       obtain a where a: "a \<in> d"
         using \<open>d \<noteq> {}\<close> by auto
-      let ?d = "(1 - sum (op \<bullet> x) d) / real (card d)"
+      let ?d = "(1 - sum ((\<bullet>) x) d) / real (card d)"
       have "0 < card d" using \<open>d \<noteq> {}\<close> \<open>finite d\<close>
         by (simp add: card_gt_0_iff)
-      have "Min ((op \<bullet> x) ` d) > 0"
+      have "Min (((\<bullet>) x) ` d) > 0"
         using as \<open>d \<noteq> {}\<close> \<open>finite d\<close> by (simp add: Min_gr_iff)
       moreover have "?d > 0" using as using \<open>0 < card d\<close> by auto
-      ultimately have h3: "min (Min ((op \<bullet> x) ` d)) ?d > 0"
+      ultimately have h3: "min (Min (((\<bullet>) x) ` d)) ?d > 0"
         by auto
 
       have "x \<in> rel_interior (convex hull (insert 0 ?p))"
         unfolding rel_interior_ball mem_Collect_eq h0
         apply (rule,rule h2)
         unfolding substd_simplex[OF assms]
-        apply (rule_tac x="min (Min ((op \<bullet> x) ` d)) ?d" in exI)
+        apply (rule_tac x="min (Min (((\<bullet>) x) ` d)) ?d" in exI)
         apply (rule, rule h3)
         apply safe
         unfolding mem_ball
       proof -
         fix y :: 'a
-        assume y: "dist x y < min (Min (op \<bullet> x ` d)) ?d"
+        assume y: "dist x y < min (Min ((\<bullet>) x ` d)) ?d"
         assume y2: "\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> y\<bullet>i = 0"
-        have "sum (op \<bullet> y) d \<le> sum (\<lambda>i. x\<bullet>i + ?d) d"
+        have "sum ((\<bullet>) y) d \<le> sum (\<lambda>i. x\<bullet>i + ?d) d"
         proof (rule sum_mono)
           fix i
           assume "i \<in> d"
@@ -1581,7 +1581,7 @@
         also have "\<dots> \<le> 1"
           unfolding sum.distrib sum_constant  using \<open>0 < card d\<close>
           by auto
-        finally show "sum (op \<bullet> y) d \<le> 1" .
+        finally show "sum ((\<bullet>) y) d \<le> 1" .
 
         fix i :: 'a
         assume i: "i \<in> Basis"
@@ -1590,7 +1590,7 @@
           case True
           have "norm (x - y) < x\<bullet>i"
             using y[unfolded min_less_iff_conj dist_norm, THEN conjunct1]
-            using Min_gr_iff[of "op \<bullet> x ` d" "norm (x - y)"] \<open>0 < card d\<close> \<open>i:d\<close>
+            using Min_gr_iff[of "(\<bullet>) x ` d" "norm (x - y)"] \<open>0 < card d\<close> \<open>i:d\<close>
             by (simp add: card_gt_0_iff)
           then show "0 \<le> y\<bullet>i"
             using Basis_le_norm[OF i, of "x - y"] and as(1)[rule_format]
@@ -1600,7 +1600,7 @@
     }
     ultimately have
       "\<And>x. x \<in> rel_interior (convex hull insert 0 d) \<longleftrightarrow>
-        x \<in> {x. (\<forall>i\<in>d. 0 < x \<bullet> i) \<and> sum (op \<bullet> x) d < 1 \<and> (\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x \<bullet> i = 0)}"
+        x \<in> {x. (\<forall>i\<in>d. 0 < x \<bullet> i) \<and> sum ((\<bullet>) x) d < 1 \<and> (\<forall>i\<in>Basis. i \<notin> d \<longrightarrow> x \<bullet> i = 0)}"
       by blast
     then show ?thesis by (rule set_eqI)
   qed
@@ -1645,12 +1645,12 @@
       by auto
     finally show "0 < ?a \<bullet> i" by auto
   next
-    have "sum (op \<bullet> ?a) ?D = sum (\<lambda>i. inverse (2 * real (card d))) ?D"
+    have "sum ((\<bullet>) ?a) ?D = sum (\<lambda>i. inverse (2 * real (card d))) ?D"
       by (rule sum.cong) (rule refl, rule **)
     also have "\<dots> < 1"
       unfolding sum_constant divide_real_def[symmetric]
       by (auto simp add: field_simps)
-    finally show "sum (op \<bullet> ?a) ?D < 1" by auto
+    finally show "sum ((\<bullet>) ?a) ?D < 1" by auto
   next
     fix i
     assume "i \<in> Basis" and "i \<notin> d"
@@ -1748,10 +1748,10 @@
   {
     assume "S \<noteq> {}"
     then obtain a where "a \<in> S" by auto
-    then have "0 \<in> op + (-a) ` S"
+    then have "0 \<in> (+) (-a) ` S"
       using assms exI[of "(\<lambda>x. x \<in> S \<and> - a + x = 0)" a] by auto
-    then have "rel_interior (op + (-a) ` S) \<noteq> {}"
-      using rel_interior_convex_nonempty_aux[of "op + (-a) ` S"]
+    then have "rel_interior ((+) (-a) ` S) \<noteq> {}"
+      using rel_interior_convex_nonempty_aux[of "(+) (-a) ` S"]
         convex_translation[of S "-a"] assms
       by auto
     then have "rel_interior S \<noteq> {}"
@@ -2958,22 +2958,22 @@
 lemma rel_interior_scaleR:
   fixes S :: "'n::euclidean_space set"
   assumes "c \<noteq> 0"
-  shows "(op *\<^sub>R c) ` (rel_interior S) = rel_interior ((op *\<^sub>R c) ` S)"
-  using rel_interior_injective_linear_image[of "(op *\<^sub>R c)" S]
-    linear_conv_bounded_linear[of "op *\<^sub>R c"] linear_scaleR injective_scaleR[of c] assms
+  shows "(( *\<^sub>R) c) ` (rel_interior S) = rel_interior ((( *\<^sub>R) c) ` S)"
+  using rel_interior_injective_linear_image[of "(( *\<^sub>R) c)" S]
+    linear_conv_bounded_linear[of "( *\<^sub>R) c"] linear_scaleR injective_scaleR[of c] assms
   by auto
 
 lemma rel_interior_convex_scaleR:
   fixes S :: "'n::euclidean_space set"
   assumes "convex S"
-  shows "(op *\<^sub>R c) ` (rel_interior S) = rel_interior ((op *\<^sub>R c) ` S)"
+  shows "(( *\<^sub>R) c) ` (rel_interior S) = rel_interior ((( *\<^sub>R) c) ` S)"
   by (metis assms linear_scaleR rel_interior_convex_linear_image)
 
 lemma convex_rel_open_scaleR:
   fixes S :: "'n::euclidean_space set"
   assumes "convex S"
     and "rel_open S"
-  shows "convex ((op *\<^sub>R c) ` S) \<and> rel_open ((op *\<^sub>R c) ` S)"
+  shows "convex ((( *\<^sub>R) c) ` S) \<and> rel_open ((( *\<^sub>R) c) ` S)"
   by (metis assms convex_scaling rel_interior_convex_scaleR rel_open_def)
 
 lemma convex_rel_open_finite_inter:
@@ -3142,10 +3142,10 @@
     by (simp add: rel_interior_empty cone_0)
 next
   case False
-  then have *: "0 \<in> S \<and> (\<forall>c. c > 0 \<longrightarrow> op *\<^sub>R c ` S = S)"
+  then have *: "0 \<in> S \<and> (\<forall>c. c > 0 \<longrightarrow> ( *\<^sub>R) c ` S = S)"
     using cone_iff[of S] assms by auto
   then have *: "0 \<in> ({0} \<union> rel_interior S)"
-    and "\<forall>c. c > 0 \<longrightarrow> op *\<^sub>R c ` ({0} \<union> rel_interior S) = ({0} \<union> rel_interior S)"
+    and "\<forall>c. c > 0 \<longrightarrow> ( *\<^sub>R) c ` ({0} \<union> rel_interior S) = ({0} \<union> rel_interior S)"
     by (auto simp add: rel_interior_scaleR)
   then show ?thesis
     using cone_iff[of "{0} \<union> rel_interior S"] by auto
@@ -3155,7 +3155,7 @@
   fixes S :: "'m::euclidean_space set"
   assumes "convex S"
   shows "(c, x) \<in> rel_interior (cone hull ({(1 :: real)} \<times> S)) \<longleftrightarrow>
-    c > 0 \<and> x \<in> ((op *\<^sub>R c) ` (rel_interior S))"
+    c > 0 \<and> x \<in> ((( *\<^sub>R) c) ` (rel_interior S))"
 proof (cases "S = {}")
   case True
   then show ?thesis
@@ -3188,9 +3188,9 @@
   {
     fix c :: real
     assume "c > 0"
-    then have "f c = (op *\<^sub>R c ` S)"
+    then have "f c = (( *\<^sub>R) c ` S)"
       using f_def cone_hull_expl[of "{1 :: real} \<times> S"] by auto
-    then have "rel_interior (f c) = op *\<^sub>R c ` rel_interior S"
+    then have "rel_interior (f c) = ( *\<^sub>R) c ` rel_interior S"
       using rel_interior_convex_scaleR[of S c] assms by auto
   }
   then show ?thesis using * ** by auto
@@ -5154,9 +5154,9 @@
     let ?\<C> = "insert (U \<union> V) ((\<lambda>S. N - S) ` \<F>)"
     obtain \<D> where "\<D> \<subseteq> ?\<C>" "finite \<D>" "K \<subseteq> \<Union>\<D>"
     proof (rule compactE [OF \<open>compact K\<close>])
-      show "K \<subseteq> \<Union>insert (U \<union> V) (op - N ` \<F>)"
+      show "K \<subseteq> \<Union>insert (U \<union> V) ((-) N ` \<F>)"
         using \<open>K \<subseteq> N\<close> ABeq \<open>A \<subseteq> U\<close> \<open>B \<subseteq> V\<close> by auto
-      show "\<And>B. B \<in> insert (U \<union> V) (op - N ` \<F>) \<Longrightarrow> open B"
+      show "\<And>B. B \<in> insert (U \<union> V) ((-) N ` \<F>) \<Longrightarrow> open B"
         by (auto simp:  \<open>open U\<close> \<open>open V\<close> open_Un \<open>open N\<close> cc compact_imp_closed open_Diff)
     qed
     then have "finite(\<D> - {U \<union> V})"
@@ -5195,7 +5195,7 @@
               by auto
           next
             assume "N - X \<subseteq> N - J"
-            with J have "N - X \<union> UNION \<H> (op - N) \<subseteq> N - J"
+            with J have "N - X \<union> UNION \<H> ((-) N) \<subseteq> N - J"
               by auto
             with \<open>J \<in> \<H>\<close> show ?thesis
               by blast
@@ -5234,9 +5234,9 @@
     using X by blast
   moreover have "connected (\<Inter>T\<in>\<F>. X \<inter> T)"
   proof (rule connected_chain)
-    show "\<And>T. T \<in> op \<inter> X ` \<F> \<Longrightarrow> compact T \<and> connected T"
+    show "\<And>T. T \<in> (\<inter>) X ` \<F> \<Longrightarrow> compact T \<and> connected T"
       using cc X by auto (metis inf.absorb2 inf.orderE local.linear)
-    show "\<And>S T. S \<in> op \<inter> X ` \<F> \<and> T \<in> op \<inter> X ` \<F> \<Longrightarrow> S \<subseteq> T \<or> T \<subseteq> S"
+    show "\<And>S T. S \<in> (\<inter>) X ` \<F> \<and> T \<in> (\<inter>) X ` \<F> \<Longrightarrow> S \<subseteq> T \<or> T \<subseteq> S"
       using local.linear by blast
   qed
   ultimately show ?thesis
@@ -5599,7 +5599,7 @@
     using assms interior_subset by blast
   then obtain e where "e > 0" and e: "cball a e \<subseteq> T"
     using mem_interior_cball by blast
-  have *: "x \<in> op + a ` span ((\<lambda>x. x - a) ` (S \<inter> T))" if "x \<in> S" for x
+  have *: "x \<in> (+) a ` span ((\<lambda>x. x - a) ` (S \<inter> T))" if "x \<in> S" for x
   proof (cases "x = a")
     case True with that span_0 eq_add_iff image_def mem_Collect_eq show ?thesis
       by blast
@@ -5870,19 +5870,19 @@
     done
   next
     case False
-    have xc_im: "x \<in> op + c ` {y. a \<bullet> y = 0}" if "a \<bullet> x = a \<bullet> c" for a x
+    have xc_im: "x \<in> (+) c ` {y. a \<bullet> y = 0}" if "a \<bullet> x = a \<bullet> c" for a x
     proof -
       have "\<exists>y. a \<bullet> y = 0 \<and> c + y = x"
         by (metis that add.commute diff_add_cancel inner_commute inner_diff_left right_minus_eq)
-      then show "x \<in> op + c ` {y. a \<bullet> y = 0}"
+      then show "x \<in> (+) c ` {y. a \<bullet> y = 0}"
         by blast
     qed
     have 2: "span ((\<lambda>x. x - c) ` S) = {x. a \<bullet> x = 0}"
-         if "op + c ` span ((\<lambda>x. x - c) ` S) = {x. a \<bullet> x = b}" for a b
+         if "(+) c ` span ((\<lambda>x. x - c) ` S) = {x. a \<bullet> x = b}" for a b
     proof -
       have "b = a \<bullet> c"
         using span_0 that by fastforce
-      with that have "op + c ` span ((\<lambda>x. x - c) ` S) = {x. a \<bullet> x = a \<bullet> c}"
+      with that have "(+) c ` span ((\<lambda>x. x - c) ` S) = {x. a \<bullet> x = a \<bullet> c}"
         by simp
       then have "span ((\<lambda>x. x - c) ` S) = (\<lambda>x. x - c) ` {x. a \<bullet> x = a \<bullet> c}"
         by (metis (no_types) image_cong translation_galois uminus_add_conv_diff)
@@ -6183,21 +6183,21 @@
                 and "\<And>x. x \<in> S \<Longrightarrow> a \<bullet> x \<ge> b"
 proof -
 from separating_hyperplane_set_0_inspan [of "image (\<lambda>x. -z + x) S"]
-  have "convex (op + (- z) ` S)"
+  have "convex ((+) (- z) ` S)"
     by (simp add: \<open>convex S\<close>)
-  moreover have "op + (- z) ` S \<noteq> {}"
+  moreover have "(+) (- z) ` S \<noteq> {}"
     by (simp add: \<open>S \<noteq> {}\<close>)
-  moreover have "0 \<notin> op + (- z) ` S"
+  moreover have "0 \<notin> (+) (- z) ` S"
     using zno by auto
-  ultimately obtain a where "a \<in> span (op + (- z) ` S)" "a \<noteq> 0"
-                  and a:  "\<And>x. x \<in> (op + (- z) ` S) \<Longrightarrow> 0 \<le> a \<bullet> x"
+  ultimately obtain a where "a \<in> span ((+) (- z) ` S)" "a \<noteq> 0"
+                  and a:  "\<And>x. x \<in> ((+) (- z) ` S) \<Longrightarrow> 0 \<le> a \<bullet> x"
     using separating_hyperplane_set_0_inspan [of "image (\<lambda>x. -z + x) S"]
     by blast
   then have szx: "\<And>x. x \<in> S \<Longrightarrow> a \<bullet> z \<le> a \<bullet> x"
     by (metis (no_types, lifting) imageI inner_minus_right inner_right_distrib minus_add neg_le_0_iff_le neg_le_iff_le real_add_le_0_iff)
   show ?thesis
     apply (rule_tac a=a and b = "a  \<bullet> z" in that, simp_all)
-    using \<open>a \<in> span (op + (- z) ` S)\<close> affine_hull_insert_span_gen apply blast
+    using \<open>a \<in> span ((+) (- z) ` S)\<close> affine_hull_insert_span_gen apply blast
     apply (simp_all add: \<open>a \<noteq> 0\<close> szx)
     done
 qed
@@ -6216,7 +6216,7 @@
     by (auto simp: rel_interior_eq_empty convex_rel_interior)
   have le_ay: "a \<bullet> x \<le> a \<bullet> y" if "y \<in> S" for y
   proof -
-    have con: "continuous_on (closure (rel_interior S)) (op \<bullet> a)"
+    have con: "continuous_on (closure (rel_interior S)) ((\<bullet>) a)"
       by (rule continuous_intros continuous_on_subset | blast)+
     have y: "y \<in> closure (rel_interior S)"
       using \<open>convex S\<close> closure_def convex_closure_rel_interior \<open>y \<in> S\<close>
@@ -6701,17 +6701,17 @@
   obtain c where "c \<in> S" and c: "a \<bullet> c = b"
     using assms by force
   with affine_diffs_subspace [OF \<open>affine S\<close>]
-  have "subspace (op + (- c) ` S)" by blast
-  then have aff: "affine (op + (- c) ` S)"
+  have "subspace ((+) (- c) ` S)" by blast
+  then have aff: "affine ((+) (- c) ` S)"
     by (simp add: subspace_imp_affine)
-  have 0: "0 \<in> op + (- c) ` S"
+  have 0: "0 \<in> (+) (- c) ` S"
     by (simp add: \<open>c \<in> S\<close>)
-  obtain d where "d \<in> S" and "a \<bullet> d \<noteq> b" and dc: "d-c \<in> op + (- c) ` S"
+  obtain d where "d \<in> S" and "a \<bullet> d \<noteq> b" and dc: "d-c \<in> (+) (- c) ` S"
     using assms by auto
   then have adc: "a \<bullet> (d - c) \<noteq> 0"
     by (simp add: c inner_diff_right)
-  let ?U = "op + (c+c) ` {x + y |x y. x \<in> op + (- c) ` S \<and> a \<bullet> y = 0}"
-  have "u + v \<in> op + (c + c) ` {x + v |x v. x \<in> op + (- c) ` S \<and> a \<bullet> v = 0}"
+  let ?U = "(+) (c+c) ` {x + y |x y. x \<in> (+) (- c) ` S \<and> a \<bullet> y = 0}"
+  have "u + v \<in> (+) (c + c) ` {x + v |x v. x \<in> (+) (- c) ` S \<and> a \<bullet> v = 0}"
               if "u \<in> S" "b = a \<bullet> v" for u v
     apply (rule_tac x="u+v-c-c" in image_eqI)
     apply (simp_all add: algebra_simps)
@@ -6724,7 +6724,7 @@
     by (metis add.left_commute c inner_right_distrib pth_d)
   ultimately have "{x + y |x y. x \<in> S \<and> a \<bullet> y = b} = ?U"
     by (fastforce simp: algebra_simps)
-  also have "... = op + (c+c) ` UNIV"
+  also have "... = (+) (c+c) ` UNIV"
     by (simp add: affine_hyperplane_sums_eq_UNIV_0 [OF aff 0 dc adc])
   also have "... = UNIV"
     by (simp add: translation_UNIV)
@@ -6856,14 +6856,14 @@
     shows "aff_dim {x + y| x y. x \<in> S \<and> y \<in> T} = (aff_dim S + aff_dim T) - aff_dim(S \<inter> T)"
 proof -
   obtain a where a: "a \<in> S" "a \<in> T" using assms by force
-  have aff: "affine (op+ (-a) ` S)"  "affine (op+ (-a) ` T)"
+  have aff: "affine ((+) (-a) ` S)"  "affine ((+) (-a) ` T)"
     using assms by (auto simp: affine_translation [symmetric])
-  have zero: "0 \<in> (op+ (-a) ` S)"  "0 \<in> (op+ (-a) ` T)"
+  have zero: "0 \<in> ((+) (-a) ` S)"  "0 \<in> ((+) (-a) ` T)"
     using a assms by auto
-  have [simp]: "{x + y |x y. x \<in> op + (- a) ` S \<and> y \<in> op + (- a) ` T} =
-        op + (- 2 *\<^sub>R a) ` {x + y| x y. x \<in> S \<and> y \<in> T}"
+  have [simp]: "{x + y |x y. x \<in> (+) (- a) ` S \<and> y \<in> (+) (- a) ` T} =
+        (+) (- 2 *\<^sub>R a) ` {x + y| x y. x \<in> S \<and> y \<in> T}"
     by (force simp: algebra_simps scaleR_2)
-  have [simp]: "op + (- a) ` S \<inter> op + (- a) ` T = op + (- a) ` (S \<inter> T)"
+  have [simp]: "(+) (- a) ` S \<inter> (+) (- a) ` T = (+) (- a) ` (S \<inter> T)"
     by auto
   show ?thesis
     using aff_dim_sums_Int_0 [OF aff zero]
@@ -7457,11 +7457,11 @@
 next
   case False
   then obtain z where z: "z \<in> S \<inter> T" by blast
-  then have "subspace (op + (- z) ` S)"
+  then have "subspace ((+) (- z) ` S)"
     by (meson IntD1 affine_diffs_subspace \<open>affine S\<close>)
-  moreover have "int (dim (op + (- z) ` T)) < int (dim (op + (- z) ` S))"
+  moreover have "int (dim ((+) (- z) ` T)) < int (dim ((+) (- z) ` S))"
     using z less by (simp add: aff_dim_eq_dim [symmetric] hull_inc)
-  ultimately have "closure((op + (- z) ` S) - (op + (- z) ` T)) = (op + (- z) ` S)"
+  ultimately have "closure(((+) (- z) ` S) - ((+) (- z) ` T)) = ((+) (- z) ` S)"
     by (simp add: dense_complement_subspace)
   then show ?thesis
     by (metis closure_translation translation_diff translation_invert)
@@ -7535,19 +7535,19 @@
   then obtain z where "z \<in> S" and z: "a \<bullet> z = b"
     using assms by auto
   with affine_diffs_subspace [OF \<open>affine S\<close>]
-  have sub: "subspace (op + (- z) ` S)" by blast
-  then have aff: "affine (op + (- z) ` S)" and span: "span (op + (- z) ` S) = (op + (- z) ` S)"
+  have sub: "subspace ((+) (- z) ` S)" by blast
+  then have aff: "affine ((+) (- z) ` S)" and span: "span ((+) (- z) ` S) = ((+) (- z) ` S)"
     by (auto simp: subspace_imp_affine)
-  obtain a' a'' where a': "a' \<in> span (op + (- z) ` S)" and a: "a = a' + a''"
-                  and "\<And>w. w \<in> span (op + (- z) ` S) \<Longrightarrow> orthogonal a'' w"
-      using orthogonal_subspace_decomp_exists [of "op + (- z) ` S" "a"] by metis
+  obtain a' a'' where a': "a' \<in> span ((+) (- z) ` S)" and a: "a = a' + a''"
+                  and "\<And>w. w \<in> span ((+) (- z) ` S) \<Longrightarrow> orthogonal a'' w"
+      using orthogonal_subspace_decomp_exists [of "(+) (- z) ` S" "a"] by metis
   then have "\<And>w. w \<in> S \<Longrightarrow> a'' \<bullet> (w-z) = 0"
     by (simp add: imageI orthogonal_def span)
   then have a'': "\<And>w. w \<in> S \<Longrightarrow> a'' \<bullet> w = (a - a') \<bullet> z"
     by (simp add: a inner_diff_right)
   then have ba'': "\<And>w. w \<in> S \<Longrightarrow> a'' \<bullet> w = b - a' \<bullet> z"
     by (simp add: inner_diff_left z)
-  have "\<And>w. w \<in> op + (- z) ` S \<Longrightarrow> (w + a') \<in> op + (- z) ` S"
+  have "\<And>w. w \<in> (+) (- z) ` S \<Longrightarrow> (w + a') \<in> (+) (- z) ` S"
     by (metis subspace_add a' span_eq sub)
   then have Sclo: "\<And>w. w \<in> S \<Longrightarrow> (w + a') \<in> S"
     by fastforce
@@ -7705,25 +7705,25 @@
 next
   case False
   with assms obtain a where "a \<in> S" "0 \<le> d" by auto
-  with assms have ss: "subspace (op + (- a) ` S)"
+  with assms have ss: "subspace ((+) (- a) ` S)"
     by (simp add: affine_diffs_subspace)
-  have "nat d \<le> dim (op + (- a) ` S)"
+  have "nat d \<le> dim ((+) (- a) ` S)"
     by (metis aff_dim_subspace aff_dim_translation_eq dle nat_int nat_mono ss)
-  then obtain T where "subspace T" and Tsb: "T \<subseteq> span (op + (- a) ` S)"
+  then obtain T where "subspace T" and Tsb: "T \<subseteq> span ((+) (- a) ` S)"
                   and Tdim: "dim T = nat d"
-    using choose_subspace_of_subspace [of "nat d" "op + (- a) ` S"] by blast
+    using choose_subspace_of_subspace [of "nat d" "(+) (- a) ` S"] by blast
   then have "affine T"
     using subspace_affine by blast
-  then have "affine (op + a ` T)"
+  then have "affine ((+) a ` T)"
     by (metis affine_hull_eq affine_hull_translation)
-  moreover have "op + a ` T \<subseteq> S"
+  moreover have "(+) a ` T \<subseteq> S"
   proof -
-    have "T \<subseteq> op + (- a) ` S"
+    have "T \<subseteq> (+) (- a) ` S"
       by (metis (no_types) span_eq Tsb ss)
-    then show "op + a ` T \<subseteq> S"
+    then show "(+) a ` T \<subseteq> S"
       using add_ac by auto
   qed
-  moreover have "aff_dim (op + a ` T) = d"
+  moreover have "aff_dim ((+) a ` T) = d"
     by (simp add: aff_dim_subspace Tdim \<open>0 \<le> d\<close> \<open>subspace T\<close> aff_dim_translation_eq)
   ultimately show ?thesis
     by (rule that)
@@ -8223,4 +8223,4 @@
 qed
 
 end
-  
\ No newline at end of file
+  
--- a/src/HOL/Analysis/Tagged_Division.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Tagged_Division.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1838,7 +1838,7 @@
 proof -
   let ?f = "(\<lambda>k::(real) set. if k = {} then 0 else f(interval_upperbound k) - f(interval_lowerbound k))"
   interpret operative_real plus 0 ?f
-    rewrites "comm_monoid_set.F op + 0 = sum"
+    rewrites "comm_monoid_set.F (+) 0 = sum"
     by standard[1] (auto simp add: sum_def)
   have p_td: "p tagged_division_of cbox a b"
     using assms(2) box_real(2) by presburger
--- a/src/HOL/Analysis/Topology_Euclidean_Space.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Topology_Euclidean_Space.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1141,7 +1141,7 @@
 
 lemma image_add_ball [simp]:
   fixes a :: "'a::real_normed_vector"
-  shows "op + b ` ball a r = ball (a+b) r"
+  shows "(+) b ` ball a r = ball (a+b) r"
 apply (intro equalityI subsetI)
 apply (force simp: dist_norm)
 apply (rule_tac x="x-b" in image_eqI)
@@ -1150,7 +1150,7 @@
 
 lemma image_add_cball [simp]:
   fixes a :: "'a::real_normed_vector"
-  shows "op + b ` cball a r = cball (a+b) r"
+  shows "(+) b ` cball a r = cball (a+b) r"
 apply (intro equalityI subsetI)
 apply (force simp: dist_norm)
 apply (rule_tac x="x-b" in image_eqI)
@@ -5565,9 +5565,9 @@
 
 lemma open_box[intro]: "open (box a b)"
 proof -
-  have "open (\<Inter>i\<in>Basis. (op \<bullet> i) -` {a \<bullet> i <..< b \<bullet> i})"
+  have "open (\<Inter>i\<in>Basis. ((\<bullet>) i) -` {a \<bullet> i <..< b \<bullet> i})"
     by (auto intro!: continuous_open_vimage continuous_inner continuous_ident continuous_const)
-  also have "(\<Inter>i\<in>Basis. (op \<bullet> i) -` {a \<bullet> i <..< b \<bullet> i}) = box a b"
+  also have "(\<Inter>i\<in>Basis. ((\<bullet>) i) -` {a \<bullet> i <..< b \<bullet> i}) = box a b"
     by (auto simp: box_def inner_commute)
   finally show ?thesis .
 qed
--- a/src/HOL/Analysis/ex/Approximations.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/ex/Approximations.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -567,7 +567,7 @@
     where "b = 8428294561696506782041394632 / 503593538783547230635598424135"
   \<comment> \<open>The introduction of this constant prevents the simplifier from applying solvers that
       we don't want. We want it to simply evaluate the terms to rational constants.}\<close>
-  define eq :: "real \<Rightarrow> real \<Rightarrow> bool" where "eq = op ="
+  define eq :: "real \<Rightarrow> real \<Rightarrow> bool" where "eq = (=)"
 
   \<comment> \<open>Splitting the computation into several steps has the advantage that simplification can
       be done in parallel\<close>
@@ -679,7 +679,7 @@
            337877029279505250241149903214554249587517250716358486542628059"
   let ?pi'' = "3882327391761098513316067116522233897127356523627918964967729040413954225768920394233198626889767468122598417405434625348404038165437924058179155035564590497837027530349 /
                1235783190199688165469648572769847552336447197542738425378629633275352407743112409829873464564018488572820294102599160968781449606552922108667790799771278860366957772800"
-  define eq :: "real \<Rightarrow> real \<Rightarrow> bool" where "eq = op ="
+  define eq :: "real \<Rightarrow> real \<Rightarrow> bool" where "eq = (=)"
 
   have "abs (pi - pi_approx2 4) \<le> inverse (2^183)" by (rule pi_approx2') simp_all
   also have "pi_approx2 4 = 48 * arctan_approx 24 (1 / 18) +
--- a/src/HOL/Analysis/normarith.ML	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/normarith.ML	Wed Jan 10 15:25:09 2018 +0100
@@ -24,9 +24,9 @@
      Const(@{const_name norm}, _) $ _ => insert (eq_pair bool_eq (op aconvc)) (b,Thm.dest_arg t) acc
    | _ => acc
  fun find_normedterms t acc = case Thm.term_of t of
-    @{term "op + :: real => _"}$_$_ =>
+    @{term "(+) :: real => _"}$_$_ =>
             find_normedterms (Thm.dest_arg1 t) (find_normedterms (Thm.dest_arg t) acc)
-      | @{term "op * :: real => _"}$_$_ =>
+      | @{term "( * ) :: real => _"}$_$_ =>
             if not (is_ratconst (Thm.dest_arg1 t)) then acc else
             augment_norm (dest_ratconst (Thm.dest_arg1 t) >= @0)
                       (Thm.dest_arg t) acc
@@ -82,8 +82,8 @@
    | SOME _ => fns) ts []
 
 fun replacenegnorms cv t = case Thm.term_of t of
-  @{term "op + :: real => _"}$_$_ => binop_conv (replacenegnorms cv) t
-| @{term "op * :: real => _"}$_$_ =>
+  @{term "(+) :: real => _"}$_$_ => binop_conv (replacenegnorms cv) t
+| @{term "( * ) :: real => _"}$_$_ =>
     if dest_ratconst (Thm.dest_arg1 t) < @0 then arg_conv cv t else Thm.reflexive t
 | _ => Thm.reflexive t
 (*
@@ -149,7 +149,7 @@
 let val (a, b) = Rat.dest x
 in
  if b = 1 then Numeral.mk_cnumber @{ctyp "real"} a
-  else Thm.apply (Thm.apply @{cterm "op / :: real => _"}
+  else Thm.apply (Thm.apply @{cterm "(/) :: real => _"}
                    (Numeral.mk_cnumber @{ctyp "real"} a))
         (Numeral.mk_cnumber @{ctyp "real"} b)
 end;
--- a/src/HOL/BNF_Composition.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/BNF_Composition.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -154,7 +154,7 @@
 bnf DEADID: 'a
   map: "id :: 'a \<Rightarrow> 'a"
   bd: natLeq
-  rel: "op = :: 'a \<Rightarrow> 'a \<Rightarrow> bool"
+  rel: "(=) :: 'a \<Rightarrow> 'a \<Rightarrow> bool"
   by (auto simp add: natLeq_card_order natLeq_cinfinite)
 
 definition id_bnf :: "'a \<Rightarrow> 'a" where
--- a/src/HOL/BNF_Def.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/BNF_Def.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -57,7 +57,7 @@
   using assms unfolding rel_set_def by simp
 
 lemma predicate2_transferD:
-   "\<lbrakk>rel_fun R1 (rel_fun R2 (op =)) P Q; a \<in> A; b \<in> B; A \<subseteq> {(x, y). R1 x y}; B \<subseteq> {(x, y). R2 x y}\<rbrakk> \<Longrightarrow>
+   "\<lbrakk>rel_fun R1 (rel_fun R2 (=)) P Q; a \<in> A; b \<in> B; A \<subseteq> {(x, y). R1 x y}; B \<subseteq> {(x, y). R2 x y}\<rbrakk> \<Longrightarrow>
    P (fst a) (fst b) \<longleftrightarrow> Q (snd a) (snd b)"
   unfolding rel_fun_def by (blast dest!: Collect_case_prodD)
 
@@ -102,13 +102,13 @@
 definition csquare where
   "csquare A f1 f2 p1 p2 \<longleftrightarrow> (\<forall> a \<in> A. f1 (p1 a) = f2 (p2 a))"
 
-lemma eq_alt: "op = = Grp UNIV id"
+lemma eq_alt: "(=) = Grp UNIV id"
   unfolding Grp_def by auto
 
-lemma leq_conversepI: "R = op = \<Longrightarrow> R \<le> R^--1"
+lemma leq_conversepI: "R = (=) \<Longrightarrow> R \<le> R^--1"
   by auto
 
-lemma leq_OOI: "R = op = \<Longrightarrow> R \<le> R OO R"
+lemma leq_OOI: "R = (=) \<Longrightarrow> R \<le> R OO R"
   by auto
 
 lemma OO_Grp_alt: "(Grp A f)^--1 OO Grp A g = (\<lambda>x y. \<exists>z. z \<in> A \<and> f z = x \<and> g z = y)"
@@ -217,13 +217,13 @@
 lemma comp_apply_eq: "f (g x) = h (k x) \<Longrightarrow> (f \<circ> g) x = (h \<circ> k) x"
   unfolding comp_apply by assumption
 
-lemma refl_ge_eq: "(\<And>x. R x x) \<Longrightarrow> op = \<le> R"
+lemma refl_ge_eq: "(\<And>x. R x x) \<Longrightarrow> (=) \<le> R"
   by auto
 
-lemma ge_eq_refl: "op = \<le> R \<Longrightarrow> R x x"
+lemma ge_eq_refl: "(=) \<le> R \<Longrightarrow> R x x"
   by auto
 
-lemma reflp_eq: "reflp R = (op = \<le> R)"
+lemma reflp_eq: "reflp R = ((=) \<le> R)"
   by (auto simp: reflp_def fun_eq_iff)
 
 lemma transp_relcompp: "transp r \<longleftrightarrow> r OO r \<le> r"
@@ -244,7 +244,7 @@
 lemma eq_onp_to_eq: "eq_onp P x y \<Longrightarrow> x = y"
   by (simp add: eq_onp_def)
 
-lemma eq_onp_top_eq_eq: "eq_onp top = op ="
+lemma eq_onp_top_eq_eq: "eq_onp top = (=)"
   by (simp add: eq_onp_def)
 
 lemma eq_onp_same_args: "eq_onp P x x = P x"
@@ -259,7 +259,7 @@
 lemma eq_onp_mono0: "\<forall>x\<in>A. P x \<longrightarrow> Q x \<Longrightarrow> \<forall>x\<in>A. \<forall>y\<in>A. eq_onp P x y \<longrightarrow> eq_onp Q x y"
   unfolding eq_onp_def by auto
 
-lemma eq_onp_True: "eq_onp (\<lambda>_. True) = (op =)"
+lemma eq_onp_True: "eq_onp (\<lambda>_. True) = (=)"
   unfolding eq_onp_def by simp
 
 lemma Ball_image_comp: "Ball (f ` A) g = Ball A (g \<circ> f)"
--- a/src/HOL/BNF_Fixpoint_Base.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/BNF_Fixpoint_Base.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -131,10 +131,10 @@
 lemma subst_eq_imp: "(\<forall>a b. a = b \<longrightarrow> P a b) \<equiv> (\<forall>a. P a a)"
   by auto
 
-lemma eq_subset: "op = \<le> (\<lambda>a b. P a b \<or> a = b)"
+lemma eq_subset: "(=) \<le> (\<lambda>a b. P a b \<or> a = b)"
   by auto
 
-lemma eq_le_Grp_id_iff: "(op = \<le> Grp (Collect R) id) = (All R)"
+lemma eq_le_Grp_id_iff: "((=) \<le> Grp (Collect R) id) = (All R)"
   unfolding Grp_def id_apply by blast
 
 lemma Grp_id_mono_subst: "(\<And>x y. Grp P id x y \<Longrightarrow> Grp Q id (f x) (f y)) \<equiv>
@@ -211,10 +211,10 @@
   by simp
 
 lemma comp_transfer:
-  "rel_fun (rel_fun B C) (rel_fun (rel_fun A B) (rel_fun A C)) (op \<circ>) (op \<circ>)"
+  "rel_fun (rel_fun B C) (rel_fun (rel_fun A B) (rel_fun A C)) (\<circ>) (\<circ>)"
   unfolding rel_fun_def by simp
 
-lemma If_transfer: "rel_fun (op =) (rel_fun A (rel_fun A A)) If If"
+lemma If_transfer: "rel_fun (=) (rel_fun A (rel_fun A A)) If If"
   unfolding rel_fun_def by simp
 
 lemma Abs_transfer:
--- a/src/HOL/Bali/AxCompl.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Bali/AxCompl.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -119,7 +119,7 @@
   remember_init_state :: "state assn" ("\<doteq>")
   where "\<doteq> \<equiv> \<lambda>Y s Z. s = Z"
 
-lemma remember_init_state_def2 [simp]: "\<doteq> Y = op ="
+lemma remember_init_state_def2 [simp]: "\<doteq> Y = (=)"
 apply (unfold remember_init_state_def)
 apply (simp (no_asm))
 done
--- a/src/HOL/Bali/AxExample.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Bali/AxExample.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -42,7 +42,7 @@
 
 ML \<open>
 fun inst1_tac ctxt s t xs st =
-  (case AList.lookup (op =) (rev (Term.add_var_names (Thm.prop_of st) [])) s of
+  (case AList.lookup (=) (rev (Term.add_var_names (Thm.prop_of st) [])) s of
     SOME i => PRIMITIVE (Rule_Insts.read_instantiate ctxt [(((s, i), Position.none), t)] xs) st
   | NONE => Seq.empty);
 
--- a/src/HOL/Bali/AxSem.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Bali/AxSem.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -799,7 +799,7 @@
 done
 
 (* unused *)
-lemma ax_nochange_lemma: "\<lbrakk>P Y s; All (op = w)\<rbrakk> \<Longrightarrow> P w s"
+lemma ax_nochange_lemma: "\<lbrakk>P Y s; All ((=) w)\<rbrakk> \<Longrightarrow> P w s"
 apply auto
 done
 
--- a/src/HOL/Bali/State.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Bali/State.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -604,7 +604,7 @@
 apply clarify
 done
 
-lemma state_not_single: "All (op = (x::state)) \<Longrightarrow> R"
+lemma state_not_single: "All ((=) (x::state)) \<Longrightarrow> R"
 apply (drule_tac x = "(if abrupt x = None then Some x' else None, y)" for x' y in spec)
 apply clarsimp
 done
--- a/src/HOL/Basic_BNF_LFPs.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Basic_BNF_LFPs.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -30,7 +30,7 @@
 lemma xtor_xtor: "xtor (xtor x) = x"
   unfolding xtor_def by (rule refl)
 
-lemmas xtor_inject = xtor_rel[of "op ="]
+lemmas xtor_inject = xtor_rel[of "(=)"]
 
 lemma xtor_rel_induct: "(\<And>x y. vimage2p id_bnf id_bnf R x y \<Longrightarrow> IR (xtor x) (xtor y)) \<Longrightarrow> R \<le> IR"
   unfolding xtor_def vimage2p_def id_bnf_def ..
@@ -96,7 +96,7 @@
   (\<not> isl a \<longrightarrow> \<not> isl b \<longrightarrow> R2 (projr a) (projr b)))"
   by (cases a b rule: sum.exhaust[case_product sum.exhaust]) simp_all
 
-lemma isl_transfer: "rel_fun (rel_sum A B) (op =) isl isl"
+lemma isl_transfer: "rel_fun (rel_sum A B) (=) isl isl"
   unfolding rel_fun_def rel_sum_sel by simp
 
 lemma rel_prod_sel: "rel_prod R1 R2 p q = (R1 (fst p) (fst q) \<and> R2 (snd p) (snd q))"
--- a/src/HOL/Basic_BNFs.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Basic_BNFs.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -188,22 +188,22 @@
 qed auto
 
 bnf "'a \<Rightarrow> 'b"
-  map: "op \<circ>"
+  map: "(\<circ>)"
   sets: range
   bd: "natLeq +c |UNIV :: 'a set|"
-  rel: "rel_fun op ="
+  rel: "rel_fun (=)"
   pred: "pred_fun (\<lambda>_. True)"
 proof
   fix f show "id \<circ> f = id f" by simp
 next
-  fix f g show "op \<circ> (g \<circ> f) = op \<circ> g \<circ> op \<circ> f"
+  fix f g show "(\<circ>) (g \<circ> f) = (\<circ>) g \<circ> (\<circ>) f"
   unfolding comp_def[abs_def] ..
 next
   fix x f g
   assume "\<And>z. z \<in> range x \<Longrightarrow> f z = g z"
   thus "f \<circ> x = g \<circ> x" by auto
 next
-  fix f show "range \<circ> op \<circ> f = op ` f \<circ> range"
+  fix f show "range \<circ> (\<circ>) f = (`) f \<circ> range"
     by (auto simp add: fun_eq_iff)
 next
   show "card_order (natLeq +c |UNIV| )" (is "_ (_ +c ?U)")
@@ -222,10 +222,10 @@
   finally show "|range f| \<le>o natLeq +c ?U" .
 next
   fix R S
-  show "rel_fun op = R OO rel_fun op = S \<le> rel_fun op = (R OO S)" by (auto simp: rel_fun_def)
+  show "rel_fun (=) R OO rel_fun (=) S \<le> rel_fun (=) (R OO S)" by (auto simp: rel_fun_def)
 next
   fix R
-  show "rel_fun op = R = (\<lambda>x y.
+  show "rel_fun (=) R = (\<lambda>x y.
     \<exists>z. range z \<subseteq> {(x, y). R x y} \<and> fst \<circ> z = x \<and> snd \<circ> z = y)"
   unfolding rel_fun_def subset_iff by (force simp: fun_eq_iff[symmetric])
 qed (auto simp: pred_fun_def)
--- a/src/HOL/Binomial.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Binomial.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -377,15 +377,15 @@
   case False
   then have "n < k"
     by (simp add: not_le)
-  then have "0 \<in> (op - n) ` {0..<k}"
+  then have "0 \<in> ((-) n) ` {0..<k}"
     by auto
-  then have "prod (op - n) {0..<k} = 0"
+  then have "prod ((-) n) {0..<k} = 0"
     by (auto intro: prod_zero)
   with \<open>n < k\<close> show ?thesis
     by (simp add: binomial_eq_0 gbinomial_prod_rev prod_zero)
 next
   case True
-  from True have *: "prod (op - n) {0..<k} = \<Prod>{Suc (n - k)..n}"
+  from True have *: "prod ((-) n) {0..<k} = \<Prod>{Suc (n - k)..n}"
     by (intro prod.reindex_bij_witness[of _ "\<lambda>i. n - i" "\<lambda>i. n - i"]) auto
   from True have "n choose k = fact n div (fact k * fact (n - k))"
     by (rule binomial_fact')
@@ -1252,15 +1252,15 @@
 using assms
 proof (induction xs ys rule: shuffle.induct)
   case (3 x xs y ys)
-  have "shuffle (x # xs) (y # ys) = op # x ` shuffle xs (y # ys) \<union> op # y ` shuffle (x # xs) ys"
+  have "shuffle (x # xs) (y # ys) = (#) x ` shuffle xs (y # ys) \<union> (#) y ` shuffle (x # xs) ys"
     by (rule shuffle.simps)
-  also have "card \<dots> = card (op # x ` shuffle xs (y # ys)) + card (op # y ` shuffle (x # xs) ys)"
+  also have "card \<dots> = card ((#) x ` shuffle xs (y # ys)) + card ((#) y ` shuffle (x # xs) ys)"
     by (rule card_Un_disjoint) (insert "3.prems", auto)
-  also have "card (op # x ` shuffle xs (y # ys)) = card (shuffle xs (y # ys))"
+  also have "card ((#) x ` shuffle xs (y # ys)) = card (shuffle xs (y # ys))"
     by (rule card_image) auto
   also have "\<dots> = (length xs + length (y # ys)) choose length xs"
     using "3.prems" by (intro "3.IH") auto
-  also have "card (op # y ` shuffle (x # xs) ys) = card (shuffle (x # xs) ys)"
+  also have "card ((#) y ` shuffle (x # xs) ys) = card (shuffle (x # xs) ys)"
     by (rule card_image) auto
   also have "\<dots> = (length (x # xs) + length ys) choose length (x # xs)"
     using "3.prems" by (intro "3.IH") auto
@@ -1304,7 +1304,7 @@
   "(n choose k) =
       (if k > n then 0
        else if 2 * k > n then (n choose (n - k))
-       else (fold_atLeastAtMost_nat (op * ) (n-k+1) n 1 div fact k))"
+       else (fold_atLeastAtMost_nat (( * ) ) (n-k+1) n 1 div fact k))"
 proof -
   {
     assume "k \<le> n"
--- a/src/HOL/Cardinals/Bounded_Set.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Cardinals/Bounded_Set.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -88,7 +88,7 @@
   then show "map_bset f X = map_bset g X" by transfer force
 next
   fix f
-  show "set_bset \<circ> map_bset f = op ` f \<circ> set_bset" by (rule ext, transfer) auto
+  show "set_bset \<circ> map_bset f = (`) f \<circ> set_bset" by (rule ext, transfer) auto
 next
   fix X :: "'a set['k]"
   show "|set_bset X| \<le>o natLeq +c |UNIV :: 'k set|"
@@ -169,7 +169,7 @@
   by transfer (auto simp: rel_set_def split: option.splits)
 
 lemma rel_bgraph[simp]:
-  "rel_bset (rel_prod (op =) R) (bgraph f1) (bgraph f2) = rel_fun (op =) (rel_option R) f1 f2"
+  "rel_bset (rel_prod (=) R) (bgraph f1) (bgraph f2) = rel_fun (=) (rel_option R) f1 f2"
   apply transfer
   apply (auto simp: rel_fun_def rel_option_iff rel_set_def split: option.splits)
   using option.collapse apply fastforce+
@@ -195,7 +195,7 @@
   apply (rule ordLeq_csum2[OF card_of_Card_order])
   done
 
-lift_definition bmember :: "'a \<Rightarrow> 'a set['k] \<Rightarrow> bool" is "op \<in>" .
+lift_definition bmember :: "'a \<Rightarrow> 'a set['k] \<Rightarrow> bool" is "(\<in>)" .
 
 lemma bmember_bCollect[simp]: "bmember a (bCollect P) = P a"
   by transfer simp
--- a/src/HOL/Code_Numeral.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Code_Numeral.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -634,7 +634,7 @@
 setup \<open>
   fold (fn target =>
     Numeral.add_code @{const_name Code_Numeral.Pos} I Code_Printer.literal_numeral target
-    #> Numeral.add_code @{const_name Code_Numeral.Neg} (op ~) Code_Printer.literal_numeral target)
+    #> Numeral.add_code @{const_name Code_Numeral.Neg} (~) Code_Printer.literal_numeral target)
     ["SML", "OCaml", "Haskell", "Scala"]
 \<close>
 
--- a/src/HOL/Complete_Lattices.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Complete_Lattices.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -128,7 +128,7 @@
     by (auto intro: Inf_greatest simp only: Inf_empty [symmetric])
 qed
 
-lemma dual_complete_lattice: "class.complete_lattice Sup Inf sup (op \<ge>) (op >) inf \<top> \<bottom>"
+lemma dual_complete_lattice: "class.complete_lattice Sup Inf sup (\<ge>) (>) inf \<top> \<bottom>"
   by (auto intro!: class.complete_lattice.intro dual_lattice)
     (unfold_locales, (fact Inf_empty Sup_empty Sup_upper Sup_least Inf_lower Inf_greatest)+)
 
@@ -465,7 +465,7 @@
   by (simp add: inf_Sup)
 
 lemma dual_complete_distrib_lattice:
-  "class.complete_distrib_lattice Sup Inf sup (op \<ge>) (op >) inf \<top> \<bottom>"
+  "class.complete_distrib_lattice Sup Inf sup (\<ge>) (>) inf \<top> \<bottom>"
   apply (rule class.complete_distrib_lattice.intro)
    apply (fact dual_complete_lattice)
   apply (rule class.complete_distrib_lattice_axioms.intro)
@@ -528,7 +528,7 @@
 begin
 
 lemma dual_complete_boolean_algebra:
-  "class.complete_boolean_algebra Sup Inf sup (op \<ge>) (op >) inf \<top> \<bottom> (\<lambda>x y. x \<squnion> - y) uminus"
+  "class.complete_boolean_algebra Sup Inf sup (\<ge>) (>) inf \<top> \<bottom> (\<lambda>x y. x \<squnion> - y) uminus"
   by (rule class.complete_boolean_algebra.intro,
       rule dual_complete_distrib_lattice,
       rule dual_boolean_algebra)
@@ -560,7 +560,7 @@
 begin
 
 lemma dual_complete_linorder:
-  "class.complete_linorder Sup Inf sup (op \<ge>) (op >) inf \<top> \<bottom>"
+  "class.complete_linorder Sup Inf sup (\<ge>) (>) inf \<top> \<bottom>"
   by (rule class.complete_linorder.intro, rule dual_complete_lattice, rule dual_linorder)
 
 lemma complete_linorder_inf_min: "inf = min"
@@ -1205,7 +1205,7 @@
 lemma UN_singleton [simp]: "(\<Union>x\<in>A. {x}) = A"
   by blast
 
-lemma inj_on_image: "inj_on f (\<Union>A) \<Longrightarrow> inj_on (op ` f) A"
+lemma inj_on_image: "inj_on f (\<Union>A) \<Longrightarrow> inj_on ((`) f) A"
   unfolding inj_on_def by blast
 
 
--- a/src/HOL/Complete_Partial_Order.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Complete_Partial_Order.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -51,7 +51,7 @@
 lemma chain_empty: "chain ord {}"
   by (simp add: chain_def)
 
-lemma chain_equality: "chain op = A \<longleftrightarrow> (\<forall>x\<in>A. \<forall>y\<in>A. x = y)"
+lemma chain_equality: "chain (=) A \<longleftrightarrow> (\<forall>x\<in>A. \<forall>y\<in>A. x = y)"
   by (auto simp add: chain_def)
 
 lemma chain_subset: "chain ord A \<Longrightarrow> B \<subseteq> A \<Longrightarrow> chain ord B"
@@ -72,11 +72,11 @@
 \<close>
 
 class ccpo = order + Sup +
-  assumes ccpo_Sup_upper: "chain (op \<le>) A \<Longrightarrow> x \<in> A \<Longrightarrow> x \<le> Sup A"
-  assumes ccpo_Sup_least: "chain (op \<le>) A \<Longrightarrow> (\<And>x. x \<in> A \<Longrightarrow> x \<le> z) \<Longrightarrow> Sup A \<le> z"
+  assumes ccpo_Sup_upper: "chain (\<le>) A \<Longrightarrow> x \<in> A \<Longrightarrow> x \<le> Sup A"
+  assumes ccpo_Sup_least: "chain (\<le>) A \<Longrightarrow> (\<And>x. x \<in> A \<Longrightarrow> x \<le> z) \<Longrightarrow> Sup A \<le> z"
 begin
 
-lemma chain_singleton: "Complete_Partial_Order.chain op \<le> {x}"
+lemma chain_singleton: "Complete_Partial_Order.chain (\<le>) {x}"
   by (rule chainI) simp
 
 lemma ccpo_Sup_singleton [simp]: "\<Squnion>{x} = x"
@@ -92,17 +92,17 @@
   for f :: "'a \<Rightarrow> 'a"
   where
     step: "x \<in> iterates f \<Longrightarrow> f x \<in> iterates f"
-  | Sup: "chain (op \<le>) M \<Longrightarrow> \<forall>x\<in>M. x \<in> iterates f \<Longrightarrow> Sup M \<in> iterates f"
+  | Sup: "chain (\<le>) M \<Longrightarrow> \<forall>x\<in>M. x \<in> iterates f \<Longrightarrow> Sup M \<in> iterates f"
 
 end
 
-lemma iterates_le_f: "x \<in> iterates f \<Longrightarrow> monotone (op \<le>) (op \<le>) f \<Longrightarrow> x \<le> f x"
+lemma iterates_le_f: "x \<in> iterates f \<Longrightarrow> monotone (\<le>) (\<le>) f \<Longrightarrow> x \<le> f x"
   by (induct x rule: iterates.induct)
     (force dest: monotoneD intro!: ccpo_Sup_upper ccpo_Sup_least)+
 
 lemma chain_iterates:
-  assumes f: "monotone (op \<le>) (op \<le>) f"
-  shows "chain (op \<le>) (iterates f)" (is "chain _ ?C")
+  assumes f: "monotone (\<le>) (\<le>) f"
+  shows "chain (\<le>) (iterates f)" (is "chain _ ?C")
 proof (rule chainI)
   fix x y
   assume "x \<in> ?C" "y \<in> ?C"
@@ -117,7 +117,7 @@
       with IH f show ?case by (auto dest: monotoneD)
     next
       case (Sup M)
-      then have chM: "chain (op \<le>) M"
+      then have chM: "chain (\<le>) M"
         and IH': "\<And>z. z \<in> M \<Longrightarrow> f x \<le> z \<or> z \<le> f x" by auto
       show "f x \<le> Sup M \<or> Sup M \<le> f x"
       proof (cases "\<exists>z\<in>M. f x \<le> z")
@@ -164,13 +164,13 @@
   where "fixp f = Sup (iterates f)"
 
 lemma iterates_fixp:
-  assumes f: "monotone (op \<le>) (op \<le>) f"
+  assumes f: "monotone (\<le>) (\<le>) f"
   shows "fixp f \<in> iterates f"
   unfolding fixp_def
   by (simp add: iterates.Sup chain_iterates f)
 
 lemma fixp_unfold:
-  assumes f: "monotone (op \<le>) (op \<le>) f"
+  assumes f: "monotone (\<le>) (\<le>) f"
   shows "fixp f = f (fixp f)"
 proof (rule antisym)
   show "fixp f \<le> f (fixp f)"
@@ -182,7 +182,7 @@
 qed
 
 lemma fixp_lowerbound:
-  assumes f: "monotone (op \<le>) (op \<le>) f"
+  assumes f: "monotone (\<le>) (\<le>) f"
     and z: "f z \<le> z"
   shows "fixp f \<le> z"
   unfolding fixp_def
@@ -228,8 +228,8 @@
 setup \<open>Sign.map_naming Name_Space.parent_path\<close>
 
 lemma (in ccpo) fixp_induct:
-  assumes adm: "ccpo.admissible Sup (op \<le>) P"
-  assumes mono: "monotone (op \<le>) (op \<le>) f"
+  assumes adm: "ccpo.admissible Sup (\<le>) P"
+  assumes mono: "monotone (\<le>) (\<le>) f"
   assumes bot: "P (Sup {})"
   assumes step: "\<And>x. P x \<Longrightarrow> P (f x)"
   shows "P (fixp f)"
@@ -284,12 +284,12 @@
 
 lemma admissible_disj:
   fixes P Q :: "'a \<Rightarrow> bool"
-  assumes P: "ccpo.admissible Sup (op \<le>) (\<lambda>x. P x)"
-  assumes Q: "ccpo.admissible Sup (op \<le>) (\<lambda>x. Q x)"
-  shows "ccpo.admissible Sup (op \<le>) (\<lambda>x. P x \<or> Q x)"
+  assumes P: "ccpo.admissible Sup (\<le>) (\<lambda>x. P x)"
+  assumes Q: "ccpo.admissible Sup (\<le>) (\<lambda>x. Q x)"
+  shows "ccpo.admissible Sup (\<le>) (\<lambda>x. P x \<or> Q x)"
 proof (rule ccpo.admissibleI)
   fix A :: "'a set"
-  assume chain: "chain (op \<le>) A"
+  assume chain: "chain (\<le>) A"
   assume A: "A \<noteq> {}" and P_Q: "\<forall>x\<in>A. P x \<or> Q x"
   have "(\<exists>x\<in>A. P x) \<and> (\<forall>x\<in>A. \<exists>y\<in>A. x \<le> y \<and> P y) \<or> (\<exists>x\<in>A. Q x) \<and> (\<forall>x\<in>A. \<exists>y\<in>A. x \<le> y \<and> Q y)"
     (is "?P \<or> ?Q" is "?P1 \<and> ?P2 \<or> _")
@@ -330,7 +330,7 @@
   moreover
   have "Sup A = Sup {x \<in> A. P x}" if "\<forall>x\<in>A. \<exists>y\<in>A. x \<le> y \<and> P y" for P
   proof (rule antisym)
-    have chain_P: "chain (op \<le>) {x \<in> A. P x}"
+    have chain_P: "chain (\<le>) {x \<in> A. P x}"
       by (rule chain_compr [OF chain])
     show "Sup A \<le> Sup {x \<in> A. P x}"
       apply (rule ccpo_Sup_least [OF chain])
@@ -368,7 +368,7 @@
   assumes mono: "mono f"
   shows "lfp f = fixp f"
 proof (rule antisym)
-  from mono have f': "monotone (op \<le>) (op \<le>) f"
+  from mono have f': "monotone (\<le>) (\<le>) f"
     unfolding mono_def monotone_def .
   show "lfp f \<le> fixp f"
     by (rule lfp_lowerbound, subst fixp_unfold [OF f'], rule order_refl)
--- a/src/HOL/Computational_Algebra/Euclidean_Algorithm.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Computational_Algebra/Euclidean_Algorithm.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -422,7 +422,7 @@
     Euclidean_Algorithm.gcd Euclidean_Algorithm.lcm
     Euclidean_Algorithm.Gcd Euclidean_Algorithm.Lcm
     divide plus minus unit_factor normalize
-    rewrites "dvd.dvd op * = Rings.dvd"
+    rewrites "dvd.dvd ( * ) = Rings.dvd"
     by (fact semiring_Gcd) (simp add: dvd.dvd_def dvd_def fun_eq_iff)
   show [simp]: "Euclidean_Algorithm.gcd = (gcd :: 'a \<Rightarrow> _)"
   proof (rule ext)+
@@ -576,7 +576,7 @@
     "Euclidean_Algorithm.gcd" "Euclidean_Algorithm.lcm"
     "Euclidean_Algorithm.Gcd" "Euclidean_Algorithm.Lcm"
     divide plus minus unit_factor normalize
-    rewrites "dvd.dvd op * = Rings.dvd"
+    rewrites "dvd.dvd ( * ) = Rings.dvd"
     by (fact semiring_Gcd) (simp add: dvd.dvd_def dvd_def fun_eq_iff)
   show [simp]: "(Euclidean_Algorithm.gcd :: nat \<Rightarrow> _) = gcd"
   proof (rule ext)+
@@ -613,7 +613,7 @@
     "Euclidean_Algorithm.gcd" "Euclidean_Algorithm.lcm"
     "Euclidean_Algorithm.Gcd" "Euclidean_Algorithm.Lcm"
     divide plus minus unit_factor normalize
-    rewrites "dvd.dvd op * = Rings.dvd"
+    rewrites "dvd.dvd ( * ) = Rings.dvd"
     by (fact semiring_Gcd) (simp add: dvd.dvd_def dvd_def fun_eq_iff)
   show [simp]: "(Euclidean_Algorithm.gcd :: int \<Rightarrow> _) = gcd"
   proof (rule ext)+
--- a/src/HOL/Computational_Algebra/Formal_Power_Series.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Computational_Algebra/Formal_Power_Series.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -51,7 +51,7 @@
 
 instantiation fps :: (plus) plus
 begin
-  definition fps_plus_def: "op + = (\<lambda>f g. Abs_fps (\<lambda>n. f $ n + g $ n))"
+  definition fps_plus_def: "(+) = (\<lambda>f g. Abs_fps (\<lambda>n. f $ n + g $ n))"
   instance ..
 end
 
@@ -60,7 +60,7 @@
 
 instantiation fps :: (minus) minus
 begin
-  definition fps_minus_def: "op - = (\<lambda>f g. Abs_fps (\<lambda>n. f $ n - g $ n))"
+  definition fps_minus_def: "(-) = (\<lambda>f g. Abs_fps (\<lambda>n. f $ n - g $ n))"
   instance ..
 end
 
@@ -78,7 +78,7 @@
 
 instantiation fps :: ("{comm_monoid_add, times}") times
 begin
-  definition fps_times_def: "op * = (\<lambda>f g. Abs_fps (\<lambda>n. \<Sum>i=0..n. f $ i * g $ (n - i)))"
+  definition fps_times_def: "( * ) = (\<lambda>f g. Abs_fps (\<lambda>n. \<Sum>i=0..n. f $ i * g $ (n - i)))"
   instance ..
 end
 
@@ -151,7 +151,7 @@
   fixes n :: nat
     and f :: "nat \<Rightarrow> nat \<Rightarrow> 'a::comm_monoid_add"
   shows "(\<Sum>i=0..n. f i (n - i)) = (\<Sum>i=0..n. f (n - i) i)"
-  by (rule sum.reindex_bij_witness[where i="op - n" and j="op - n"]) auto
+  by (rule sum.reindex_bij_witness[where i="(-) n" and j="(-) n"]) auto
 
 instance fps :: (comm_semiring_0) ab_semigroup_mult
 proof
@@ -1563,10 +1563,10 @@
         of_nat i* f $ i * g $ ((n + 1) - i)"
     have s0: "sum (\<lambda>i. of_nat i * f $ i * g $ (n + 1 - i)) ?Zn1 =
       sum (\<lambda>i. of_nat (n + 1 - i) * f $ (n + 1 - i) * g $ i) ?Zn1"
-       by (rule sum.reindex_bij_witness[where i="op - (n + 1)" and j="op - (n + 1)"]) auto
+       by (rule sum.reindex_bij_witness[where i="(-) (n + 1)" and j="(-) (n + 1)"]) auto
     have s1: "sum (\<lambda>i. f $ i * g $ (n + 1 - i)) ?Zn1 =
       sum (\<lambda>i. f $ (n + 1 - i) * g $ i) ?Zn1"
-       by (rule sum.reindex_bij_witness[where i="op - (n + 1)" and j="op - (n + 1)"]) auto
+       by (rule sum.reindex_bij_witness[where i="(-) (n + 1)" and j="(-) (n + 1)"]) auto
     have "(f * ?D g + ?D f * g)$n = (?D g * f + ?D f * g)$n"
       by (simp only: mult.commute)
     also have "\<dots> = (\<Sum>i = 0..n. ?g i)"
@@ -2040,7 +2040,7 @@
   (* If f reprents {a_n} and P is a polynomial, then
         P(xD) f represents {P(n) a_n}*)
 
-definition "fps_XD = op * fps_X \<circ> fps_deriv"
+definition "fps_XD = ( * ) fps_X \<circ> fps_deriv"
 
 lemma fps_XD_add[simp]:"fps_XD (a + b) = fps_XD a + fps_XD (b :: 'a::comm_ring_1 fps)"
   by (simp add: fps_XD_def field_simps)
@@ -2115,10 +2115,10 @@
   let ?fps_X = "1 - (fps_X::'a fps)"
   have th0: "?fps_X $ 0 \<noteq> 0"
     by simp
-  have "a /?fps_X = ?fps_X *  Abs_fps (\<lambda>n::nat. sum (op $ a) {0..n}) * inverse ?fps_X"
+  have "a /?fps_X = ?fps_X *  Abs_fps (\<lambda>n::nat. sum (($) a) {0..n}) * inverse ?fps_X"
     using fps_divide_fps_X_minus1_sum_lemma[of a, symmetric] th0
     by (simp add: fps_divide_def mult.assoc)
-  also have "\<dots> = (inverse ?fps_X * ?fps_X) * Abs_fps (\<lambda>n::nat. sum (op $ a) {0..n}) "
+  also have "\<dots> = (inverse ?fps_X * ?fps_X) * Abs_fps (\<lambda>n::nat. sum (($) a) {0..n}) "
     by (simp add: ac_simps)
   finally show ?thesis
     by (simp add: inverse_mult_eq_1[OF th0])
--- a/src/HOL/Computational_Algebra/Nth_Powers.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Computational_Algebra/Nth_Powers.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -305,4 +305,4 @@
     by (auto intro!: Max_mono)
 qed auto
 
-end
\ No newline at end of file
+end
--- a/src/HOL/Computational_Algebra/Polynomial.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Computational_Algebra/Polynomial.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -891,7 +891,7 @@
 lemma smult_monom: "smult a (monom b n) = monom (a * b) n"
   by (induct n) (simp_all add: monom_0 monom_Suc)
 
-lemma smult_Poly: "smult c (Poly xs) = Poly (map (op * c) xs)"
+lemma smult_Poly: "smult c (Poly xs) = Poly (map (( * ) c) xs)"
   by (auto simp: poly_eq_iff nth_default_def)
 
 lemma degree_smult_eq [simp]: "degree (smult a p) = (if a = 0 then 0 else degree p)"
@@ -1161,7 +1161,7 @@
       simp del: upt_Suc)
 
 lemma coeffs_map_poly [code abstract]:
-  "coeffs (map_poly f p) = strip_while (op = 0) (map f (coeffs p))"
+  "coeffs (map_poly f p) = strip_while ((=) 0) (map f (coeffs p))"
   by (simp add: map_poly_def)
 
 lemma coeffs_map_poly':
@@ -1949,7 +1949,7 @@
 qed
 
 lemma dropWhile_replicate_append:
-  "dropWhile (op = a) (replicate n a @ ys) = dropWhile (op = a) ys"
+  "dropWhile ((=) a) (replicate n a @ ys) = dropWhile ((=) a) ys"
   by (induct n) simp_all
 
 lemma Poly_append_replicate_0: "Poly (xs @ replicate n 0) = Poly xs"
@@ -2233,8 +2233,8 @@
   by (simp add: poly_eq_iff coeff_poly_cutoff)
 
 lemma coeffs_poly_cutoff [code abstract]:
-  "coeffs (poly_cutoff n p) = strip_while (op = 0) (take n (coeffs p))"
-proof (cases "strip_while (op = 0) (take n (coeffs p)) = []")
+  "coeffs (poly_cutoff n p) = strip_while ((=) 0) (take n (coeffs p))"
+proof (cases "strip_while ((=) 0) (take n (coeffs p)) = []")
   case True
   then have "coeff (poly_cutoff n p) k = 0" for k
     unfolding coeff_poly_cutoff
@@ -2245,9 +2245,9 @@
     by (subst True) simp_all
 next
   case False
-  have "no_trailing (op = 0) (strip_while (op = 0) (take n (coeffs p)))"
+  have "no_trailing ((=) 0) (strip_while ((=) 0) (take n (coeffs p)))"
     by simp
-  with False have "last (strip_while (op = 0) (take n (coeffs p))) \<noteq> 0"
+  with False have "last (strip_while ((=) 0) (take n (coeffs p))) \<noteq> 0"
     unfolding no_trailing_unfold by auto
   then show ?thesis
     by (intro coeffs_eqI)
@@ -2261,7 +2261,7 @@
   where "reflect_poly p = Poly (rev (coeffs p))"
 
 lemma coeffs_reflect_poly [code abstract]:
-  "coeffs (reflect_poly p) = rev (dropWhile (op = 0) (coeffs p))"
+  "coeffs (reflect_poly p) = rev (dropWhile ((=) 0) (coeffs p))"
   by (simp add: reflect_poly_def)
 
 lemma reflect_poly_0 [simp]: "reflect_poly 0 = 0"
@@ -3803,10 +3803,10 @@
   where
     "pseudo_divmod_main_list lc q r d (Suc n) =
       (let
-        rr = map (op * lc) r;
+        rr = map (( * ) lc) r;
         a = hd r;
-        qqq = cCons a (map (op * lc) q);
-        rrr = tl (if a = 0 then rr else minus_poly_rev_list rr (map (op * a) d))
+        qqq = cCons a (map (( * ) lc) q);
+        rrr = tl (if a = 0 then rr else minus_poly_rev_list rr (map (( * ) a) d))
        in pseudo_divmod_main_list lc qqq rrr d n)"
   | "pseudo_divmod_main_list lc q r d 0 = (q, r)"
 
@@ -3814,9 +3814,9 @@
   where
     "pseudo_mod_main_list lc r d (Suc n) =
       (let
-        rr = map (op * lc) r;
+        rr = map (( * ) lc) r;
         a = hd r;
-        rrr = tl (if a = 0 then rr else minus_poly_rev_list rr (map (op * a) d))
+        rrr = tl (if a = 0 then rr else minus_poly_rev_list rr (map (( * ) a) d))
        in pseudo_mod_main_list lc rrr d n)"
   | "pseudo_mod_main_list lc r d 0 = r"
 
@@ -3828,7 +3828,7 @@
       (let
         a = hd r;
         qqq = cCons a q;
-        rr = tl (if a = 0 then r else minus_poly_rev_list r (map (op * a) d))
+        rr = tl (if a = 0 then r else minus_poly_rev_list r (map (( * ) a) d))
        in divmod_poly_one_main_list qqq rr d n)"
   | "divmod_poly_one_main_list q r d 0 = (q, r)"
 
@@ -3837,7 +3837,7 @@
     "mod_poly_one_main_list r d (Suc n) =
       (let
         a = hd r;
-        rr = tl (if a = 0 then r else minus_poly_rev_list r (map (op * a) d))
+        rr = tl (if a = 0 then r else minus_poly_rev_list r (map (( * ) a) d))
        in mod_poly_one_main_list rr d n)"
   | "mod_poly_one_main_list r d 0 = r"
 
@@ -3858,7 +3858,7 @@
         re = pseudo_mod_main_list (hd rq) (rev p) rq (1 + length p - length q)
        in rev re))"
 
-lemma minus_zero_does_nothing: "minus_poly_rev_list x (map (op * 0) y) = x"
+lemma minus_zero_does_nothing: "minus_poly_rev_list x (map (( * ) 0) y) = x"
   for x :: "'a::ring list"
   by (induct x y rule: minus_poly_rev_list.induct) auto
 
@@ -3866,8 +3866,8 @@
   by (induct xs ys rule: minus_poly_rev_list.induct) auto
 
 lemma if_0_minus_poly_rev_list:
-  "(if a = 0 then x else minus_poly_rev_list x (map (op * a) y)) =
-    minus_poly_rev_list x (map (op * a) y)"
+  "(if a = 0 then x else minus_poly_rev_list x (map (( * ) a) y)) =
+    minus_poly_rev_list x (map (( * ) a) y)"
   for a :: "'a::ring"
   by(cases "a = 0") (simp_all add: minus_zero_does_nothing)
 
@@ -3909,7 +3909,7 @@
 
 lemma head_minus_poly_rev_list:
   "length d \<le> length r \<Longrightarrow> d \<noteq> [] \<Longrightarrow>
-    hd (minus_poly_rev_list (map (op * (last d)) r) (map (op * (hd r)) (rev d))) = 0"
+    hd (minus_poly_rev_list (map (( * ) (last d)) r) (map (( * ) (hd r)) (rev d))) = 0"
   for d r :: "'a::comm_ring list"
 proof (induct r)
   case Nil
@@ -3919,7 +3919,7 @@
   then show ?case by (cases "rev d") (simp_all add: ac_simps)
 qed
 
-lemma Poly_map: "Poly (map (op * a) p) = smult a (Poly p)"
+lemma Poly_map: "Poly (map (( * ) a) p) = smult a (Poly p)"
 proof (induct p)
   case Nil
   then show ?case by simp
@@ -3947,9 +3947,9 @@
   with \<open>d \<noteq> []\<close> have "r \<noteq> []"
     using Suc_leI length_greater_0_conv list.size(3) by fastforce
   let ?a = "(hd (rev r))"
-  let ?rr = "map (op * lc) (rev r)"
-  let ?rrr = "rev (tl (minus_poly_rev_list ?rr (map (op * ?a) (rev d))))"
-  let ?qq = "cCons ?a (map (op * lc) q)"
+  let ?rr = "map (( * ) lc) (rev r)"
+  let ?rrr = "rev (tl (minus_poly_rev_list ?rr (map (( * ) ?a) (rev d))))"
+  let ?qq = "cCons ?a (map (( * ) lc) q)"
   from * Suc(3) have n: "n = (1 + length r - length d - 1)"
     by simp
   from * have rr_val:"(length ?rrr) = (length r - 1)"
@@ -3982,12 +3982,12 @@
     case 2
     show ?case
     proof (subst Poly_on_rev_starting_with_0, goal_cases)
-      show "hd (minus_poly_rev_list (map (op * lc) (rev r)) (map (op * (hd (rev r))) (rev d))) = 0"
+      show "hd (minus_poly_rev_list (map (( * ) lc) (rev r)) (map (( * ) (hd (rev r))) (rev d))) = 0"
         by (fold lc, subst head_minus_poly_rev_list, insert * \<open>d \<noteq> []\<close>, auto)
       from * have "length d \<le> length r"
         by simp
       then show "smult lc (Poly r) - monom (coeff (Poly r) (length r - 1)) n * Poly d =
-          Poly (rev (minus_poly_rev_list (map (op * lc) (rev r)) (map (op * (hd (rev r))) (rev d))))"
+          Poly (rev (minus_poly_rev_list (map (( * ) lc) (rev r)) (map (( * ) (hd (rev r))) (rev d))))"
         by (fold rev_map) (auto simp add: n smult_monom_mult Poly_map hd_rev [symmetric]
             minus_poly_rev_list)
     qed
@@ -4092,9 +4092,9 @@
         let
           cf = coeffs f;
           ilc = inverse (last cg);
-          ch = map (op * ilc) cg;
+          ch = map (( * ) ilc) cg;
           (q, r) = pseudo_divmod_main_list 1 [] (rev cf) (rev ch) (1 + length cf - length cg)
-        in (poly_of_list (map (op * ilc) q), poly_of_list (rev r)))"
+        in (poly_of_list (map (( * ) ilc) q), poly_of_list (rev r)))"
 proof -
   note d = pdivmod_via_pseudo_divmod pseudo_divmod_impl pseudo_divmod_list_def
   show ?thesis
@@ -4113,10 +4113,10 @@
     have id2: "hd (rev (coeffs (smult ilc g))) = 1"
       by (subst hd_rev, insert id ilc, auto simp: coeffs_smult, subst last_map, auto simp: id ilc_def)
     have id3: "length (coeffs (smult ilc g)) = length (coeffs g)"
-      "rev (coeffs (smult ilc g)) = rev (map (op * ilc) (coeffs g))"
+      "rev (coeffs (smult ilc g)) = rev (map (( * ) ilc) (coeffs g))"
       unfolding coeffs_smult using ilc by auto
     obtain q r where pair:
-      "pseudo_divmod_main_list 1 [] (rev (coeffs f)) (rev (map (op * ilc) (coeffs g)))
+      "pseudo_divmod_main_list 1 [] (rev (coeffs f)) (rev (map (( * ) ilc) (coeffs g)))
         (1 + length (coeffs f) - length (coeffs g)) = (q, r)"
       by force
     show ?thesis
@@ -4129,7 +4129,7 @@
 lemma pseudo_divmod_main_list_1: "pseudo_divmod_main_list 1 = divmod_poly_one_main_list"
 proof (intro ext, goal_cases)
   case (1 q r d n)
-  have *: "map (op * 1) xs = xs" for xs :: "'a list"
+  have *: "map (( * ) 1) xs = xs" for xs :: "'a list"
     by (induct xs) auto
   show ?case
     by (induct n arbitrary: q r d) (auto simp: * Let_def)
@@ -4143,7 +4143,7 @@
         in if cr = 0 then divide_poly_main_list lc (cCons cr q) (tl r) d n else let
         a = cr div lc;
         qq = cCons a q;
-        rr = minus_poly_rev_list r (map (op * a) d)
+        rr = minus_poly_rev_list r (map (( * ) a) d)
        in if hd rr = 0 then divide_poly_main_list lc qq (tl rr) d n else [])"
   | "divide_poly_main_list lc q r d 0 = q"
 
@@ -4153,7 +4153,7 @@
       cr = hd r;
       a = cr div lc;
       qq = cCons a q;
-      rr = minus_poly_rev_list r (map (op * a) d)
+      rr = minus_poly_rev_list r (map (( * ) a) d)
      in if hd rr = 0 then divide_poly_main_list lc qq (tl rr) d n else [])"
   by (simp add: Let_def minus_zero_does_nothing)
 
@@ -4182,7 +4182,7 @@
         let
           cf = coeffs f;
           ilc = inverse (last cg);
-          ch = map (op * ilc) cg;
+          ch = map (( * ) ilc) cg;
           r = mod_poly_one_main_list (rev cf) (rev ch) (1 + length cf - length cg)
         in poly_of_list (rev r))"
   (is "_ = ?rhs")
@@ -4201,14 +4201,14 @@
         let
           cf = coeffs f;
           ilc = inverse (last cg);
-          ch = map (op * ilc) cg;
+          ch = map (( * ) ilc) cg;
           q = fst (divmod_poly_one_main_list [] (rev cf) (rev ch) (1 + length cf - length cg))
-        in poly_of_list ((map (op * ilc) q)))"
+        in poly_of_list ((map (( * ) ilc) q)))"
 
 text \<open>We do not declare the following lemma as code equation, since then polynomial division
   on non-fields will no longer be executable. However, a code-unfold is possible, since
   \<open>div_field_poly_impl\<close> is a bit more efficient than the generic polynomial division.\<close>
-lemma div_field_poly_impl[code_unfold]: "op div = div_field_poly_impl"
+lemma div_field_poly_impl[code_unfold]: "(div) = div_field_poly_impl"
 proof (intro ext)
   fix f g :: "'a poly"
   have "fst (f div g, f mod g) = div_field_poly_impl f g"
@@ -4251,7 +4251,7 @@
     with r d have id:
       "?thesis \<longleftrightarrow>
         Poly (divide_poly_main_list lc (cCons (lcr div lc) q)
-          (rev (rev (minus_poly_rev_list (rev rr) (rev (map (op * (lcr div lc)) dd))))) (rev d) n) =
+          (rev (rev (minus_poly_rev_list (rev rr) (rev (map (( * ) (lcr div lc)) dd))))) (rev d) n) =
           divide_poly_main lc
             (monom 1 (Suc n) * Poly q + monom (lcr div lc) n)
             (Poly r - monom (lcr div lc) n * Poly d)
--- a/src/HOL/Computational_Algebra/Polynomial_FPS.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Computational_Algebra/Polynomial_FPS.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -287,11 +287,11 @@
      (auto simp: prefix_length_def nth_Cons split: if_splits nat.splits)
 (* END TODO *)
   
-lemma poly_subdegree_code [code]: "poly_subdegree p = prefix_length (op = 0) (coeffs p)"
+lemma poly_subdegree_code [code]: "poly_subdegree p = prefix_length ((=) 0) (coeffs p)"
 proof (cases "p = 0")
   case False
   note [simp] = this
-  define n where "n = prefix_length (op = 0) (coeffs p)"
+  define n where "n = prefix_length ((=) 0) (coeffs p)"
   from False have "\<exists>k. coeff p k \<noteq> 0" by (auto simp: poly_eq_iff)
   hence ex: "\<exists>x\<in>set (coeffs p). x \<noteq> 0" by (auto simp: coeffs_def)
   hence n_less: "n < length (coeffs p)" and nonzero: "coeffs p ! n \<noteq> 0" 
@@ -300,10 +300,10 @@
   proof (intro subdegreeI)
     from n_less have "fps_of_poly p $ n = coeffs p ! n"
       by (subst coeffs_nth) (simp_all add: degree_eq_length_coeffs)
-    with nonzero show "fps_of_poly p $ prefix_length (op = 0) (coeffs p) \<noteq> 0"
+    with nonzero show "fps_of_poly p $ prefix_length ((=) 0) (coeffs p) \<noteq> 0"
       unfolding n_def by simp
   next
-    fix k assume A: "k < prefix_length (op = 0) (coeffs p)"
+    fix k assume A: "k < prefix_length ((=) 0) (coeffs p)"
     also have "\<dots> \<le> length (coeffs p)" by (rule prefix_length_le_length)
     finally show "fps_of_poly p $ k = 0"
       using nth_less_prefix_length[OF A]
--- a/src/HOL/Computational_Algebra/Squarefree.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Computational_Algebra/Squarefree.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -360,4 +360,4 @@
   "odd n \<Longrightarrow> square_part (x ^ n) = normalize (x ^ (n div 2) * square_part x)"
   by (subst square_part_odd_power' [symmetric]) auto
 
-end
\ No newline at end of file
+end
--- a/src/HOL/Corec_Examples/Tests/GPV_Bare_Bones.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Corec_Examples/Tests/GPV_Bare_Bones.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -39,9 +39,9 @@
 
 friend_of_corec bind_gpv'
 where "bind_gpv' r f =
-GPV' (map_spmf (map_generat id id (op \<circ> (case_sum id (\<lambda>r. bind_gpv' r f))))
+GPV' (map_spmf (map_generat id id ((\<circ>) (case_sum id (\<lambda>r. bind_gpv' r f))))
       (bind_spmf (the_gpv r)
-        (case_generat (\<lambda>x. map_spmf (map_generat id id (op \<circ> Inl)) (the_gpv' (f x)))
+        (case_generat (\<lambda>x. map_spmf (map_generat id id ((\<circ>) Inl)) (the_gpv' (f x)))
           (\<lambda>out c. return_spmf (IO out (\<lambda>input. Inr (c input)))))))"
   sorry
 
--- a/src/HOL/Corec_Examples/Tests/Iterate_GPV.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Corec_Examples/Tests/Iterate_GPV.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -21,10 +21,10 @@
 
 primcorec bind_gpv :: "('a, 'out, 'in) gpv \<Rightarrow> ('a \<Rightarrow> ('b, 'out, 'in) gpv) \<Rightarrow> ('b, 'out, 'in) gpv"
 where
-  "bind_gpv r f = GPV (map_spmf (map_generat id id (op \<circ> (case_sum id (\<lambda>r. bind_gpv r f))))
+  "bind_gpv r f = GPV (map_spmf (map_generat id id ((\<circ>) (case_sum id (\<lambda>r. bind_gpv r f))))
      (bind_spmf (the_gpv r)
       (case_generat
-        (\<lambda>x. map_spmf (map_generat id id (op \<circ> Inl)) (the_gpv (f x)))
+        (\<lambda>x. map_spmf (map_generat id id ((\<circ>) Inl)) (the_gpv (f x)))
         (\<lambda>out c. return_spmf (IO out (\<lambda>input. Inr (c input)))))))"
 
 context includes lifting_syntax begin
@@ -44,14 +44,14 @@
   by (cases x) auto
 
 friend_of_corec bind_gpv :: "('a, 'out, 'in) gpv \<Rightarrow> ('a \<Rightarrow> ('a, 'out, 'in) gpv) \<Rightarrow> ('a, 'out, 'in) gpv"
-where "bind_gpv r f = GPV (map_spmf (map_generat id id (op \<circ> (case_sum id (\<lambda>r. bind_gpv r f))))
+where "bind_gpv r f = GPV (map_spmf (map_generat id id ((\<circ>) (case_sum id (\<lambda>r. bind_gpv r f))))
      (bind_spmf (the_gpv r)
       (case_generat
-        (\<lambda>x. map_spmf (map_generat id id (op \<circ> Inl)) (the_gpv (f x)))
+        (\<lambda>x. map_spmf (map_generat id id ((\<circ>) Inl)) (the_gpv (f x)))
         (\<lambda>out c. return_spmf (IO out (\<lambda>input. Inr (c input)))))))"
 apply(rule bind_gpv.ctr)
 apply transfer_prover
 apply transfer_prover
 done
 
-end
\ No newline at end of file
+end
--- a/src/HOL/Corec_Examples/Tests/Misc_Mono.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Corec_Examples/Tests/Misc_Mono.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -149,7 +149,7 @@
 consts integerize_tree_list :: "'a list \<Rightarrow> int"
 
 lemma integerize_tree_list_transfer[transfer_rule]:
-  "rel_fun (list_all2 R) op = integerize_tree_list integerize_tree_list"
+  "rel_fun (list_all2 R) (=) integerize_tree_list integerize_tree_list"
   sorry
 
 corec (friend) f10a where
--- a/src/HOL/Data_Structures/Base_FDS.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Data_Structures/Base_FDS.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -18,4 +18,4 @@
   "is_measure f \<Longrightarrow> is_measure g \<Longrightarrow> is_measure (size_prod f g)"
 by (rule is_measure_trivial)
 
-end
\ No newline at end of file
+end
--- a/src/HOL/Data_Structures/Binomial_Heap.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Data_Structures/Binomial_Heap.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -66,7 +66,7 @@
 
 definition invar_bheap :: "'a::linorder heap \<Rightarrow> bool" where
 "invar_bheap ts
-  \<longleftrightarrow> (\<forall>t\<in>set ts. invar_btree t) \<and> (sorted_wrt (op <) (map rank ts))"
+  \<longleftrightarrow> (\<forall>t\<in>set ts. invar_btree t) \<and> (sorted_wrt (<) (map rank ts))"
 
 text \<open>Ordering (heap) invariant\<close>
 fun invar_otree :: "'a::linorder tree \<Rightarrow> bool" where
@@ -390,7 +390,7 @@
 to show that binomial heaps satisfy the specification of priority queues with merge.\<close>
 
 interpretation binheap: Priority_Queue_Merge
-  where empty = "[]" and is_empty = "op = []" and insert = insert
+  where empty = "[]" and is_empty = "(=) []" and insert = insert
   and get_min = get_min and del_min = del_min and merge = merge
   and invar = invar and mset = mset_heap
 proof (unfold_locales, goal_cases)
@@ -453,14 +453,14 @@
   shows "2^length ts \<le> size (mset_heap ts) + 1"
 proof -
   from \<open>invar_bheap ts\<close> have 
-    ASC: "sorted_wrt (op <) (map rank ts)" and
+    ASC: "sorted_wrt (<) (map rank ts)" and
     TINV: "\<forall>t\<in>set ts. invar_btree t"
     unfolding invar_bheap_def by auto
       
   have "(2::nat)^length ts = (\<Sum>i\<in>{0..<length ts}. 2^i) + 1" 
     by (simp add: sum_power2)
   also have "\<dots> \<le> (\<Sum>t\<leftarrow>ts. 2^rank t) + 1"
-    using sorted_wrt_less_sum_mono_lowerbound[OF _ ASC, of "op ^ (2::nat)"]
+    using sorted_wrt_less_sum_mono_lowerbound[OF _ ASC, of "(^) (2::nat)"]
     using power_increasing[where a="2::nat"]  
     by (auto simp: o_def)
   also have "\<dots> = (\<Sum>t\<leftarrow>ts. size (mset_tree t)) + 1" using TINV   
--- a/src/HOL/Data_Structures/Sorted_Less.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Data_Structures/Sorted_Less.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -12,7 +12,7 @@
 Could go into theory List under a name like @{term sorted_less}.\<close>
 
 abbreviation sorted :: "'a::linorder list \<Rightarrow> bool" where
-"sorted \<equiv> sorted_wrt (op <)"
+"sorted \<equiv> sorted_wrt (<)"
 
 lemma sorted_cons: "sorted (x#xs) \<Longrightarrow> sorted xs"
 by(simp add: sorted_wrt_Cons)
--- a/src/HOL/Datatype_Examples/Derivation_Trees/DTree.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Datatype_Examples/Derivation_Trees/DTree.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -67,7 +67,7 @@
 lemma dtree_coinduct[elim, consumes 1, case_names Lift, induct pred: "HOL.eq"]:
 assumes phi: "\<phi> tr1 tr2" and
 Lift: "\<And> tr1 tr2. \<phi> tr1 tr2 \<Longrightarrow>
-                  root tr1 = root tr2 \<and> rel_set (rel_sum op = \<phi>) (cont tr1) (cont tr2)"
+                  root tr1 = root tr2 \<and> rel_set (rel_sum (=) \<phi>) (cont tr1) (cont tr2)"
 shows "tr1 = tr2"
 using phi apply(elim dtree.coinduct)
 apply(rule Lift[unfolded rel_set_cont]) .
--- a/src/HOL/Datatype_Examples/Derivation_Trees/Parallel_Composition.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Datatype_Examples/Derivation_Trees/Parallel_Composition.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -68,7 +68,7 @@
 subsection\<open>Structural Coinduction Proofs\<close>
 
 lemma rel_set_rel_sum_eq[simp]:
-"rel_set (rel_sum (op =) \<phi>) A1 A2 \<longleftrightarrow>
+"rel_set (rel_sum (=) \<phi>) A1 A2 \<longleftrightarrow>
  Inl -` A1 = Inl -` A2 \<and> rel_set \<phi> (Inr -` A1) (Inr -` A2)"
 unfolding rel_set_rel_sum rel_set_eq ..
 
--- a/src/HOL/Datatype_Examples/Stream_Processor.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Datatype_Examples/Stream_Processor.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -96,7 +96,7 @@
 
 primrec sp\<^sub>\<mu>_comp2 (infixl "o\<^sup>*\<^sub>\<mu>" 65) where
   "Put b sp o\<^sup>*\<^sub>\<mu> fsp = Put b (sp, In fsp)"
-| "Get f o\<^sup>*\<^sub>\<mu> fsp = sp\<^sub>\<mu>_comp2R (op o\<^sup>*\<^sub>\<mu> o f) fsp"
+| "Get f o\<^sup>*\<^sub>\<mu> fsp = sp\<^sub>\<mu>_comp2R ((o\<^sup>*\<^sub>\<mu>) o f) fsp"
 
 primcorec sp\<^sub>\<nu>_comp2 (infixl "o\<^sup>*\<^sub>\<nu>" 65) where
   "out (sp o\<^sup>*\<^sub>\<nu> sp') = map_sp\<^sub>\<mu> id (\<lambda>(sp, sp'). sp o\<^sup>*\<^sub>\<nu> sp') (out sp o\<^sup>*\<^sub>\<mu> out sp')"
@@ -159,7 +159,7 @@
   end
 \<close>)
 
-lemma sp\<^sub>\<mu>_rel_self: "\<lbrakk>op = \<le> R1; op = \<le> R2\<rbrakk> \<Longrightarrow> rel_sp\<^sub>\<mu> R1 R2 x x"
+lemma sp\<^sub>\<mu>_rel_self: "\<lbrakk>(=) \<le> R1; (=) \<le> R2\<rbrakk> \<Longrightarrow> rel_sp\<^sub>\<mu> R1 R2 x x"
   by (erule (1) predicate2D[OF sp\<^sub>\<mu>.rel_mono]) (simp only: sp\<^sub>\<mu>.rel_eq)
 
 lemma sp\<^sub>\<nu>_comp_sp\<^sub>\<nu>_comp2: "sp o\<^sub>\<nu> sp' = sp o\<^sup>*\<^sub>\<nu> sp'"
--- a/src/HOL/Decision_Procs/Algebra_Aux.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Decision_Procs/Algebra_Aux.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -9,7 +9,7 @@
 begin
 
 definition of_natural :: "('a, 'm) ring_scheme \<Rightarrow> nat \<Rightarrow> 'a" ("\<guillemotleft>_\<guillemotright>\<^sub>\<nat>\<index>")
-  where "\<guillemotleft>n\<guillemotright>\<^sub>\<nat>\<^bsub>R\<^esub> = (op \<oplus>\<^bsub>R\<^esub> \<one>\<^bsub>R\<^esub> ^^ n) \<zero>\<^bsub>R\<^esub>"
+  where "\<guillemotleft>n\<guillemotright>\<^sub>\<nat>\<^bsub>R\<^esub> = ((\<oplus>\<^bsub>R\<^esub>) \<one>\<^bsub>R\<^esub> ^^ n) \<zero>\<^bsub>R\<^esub>"
 
 definition of_integer :: "('a, 'm) ring_scheme \<Rightarrow> int \<Rightarrow> 'a" ("\<guillemotleft>_\<guillemotright>\<index>")
   where "\<guillemotleft>i\<guillemotright>\<^bsub>R\<^esub> = (if 0 \<le> i then \<guillemotleft>nat i\<guillemotright>\<^sub>\<nat>\<^bsub>R\<^esub> else \<ominus>\<^bsub>R\<^esub> \<guillemotleft>nat (- i)\<guillemotright>\<^sub>\<nat>\<^bsub>R\<^esub>)"
@@ -234,7 +234,7 @@
   by (induct n) (simp_all add: m_ac)
 
 definition cring_class_ops :: "'a::comm_ring_1 ring"
-  where "cring_class_ops \<equiv> \<lparr>carrier = UNIV, mult = op *, one = 1, zero = 0, add = (op +)\<rparr>"
+  where "cring_class_ops \<equiv> \<lparr>carrier = UNIV, mult = ( * ), one = 1, zero = 0, add = (+)\<rparr>"
 
 lemma cring_class: "cring cring_class_ops"
   apply unfold_locales
--- a/src/HOL/Decision_Procs/Cooper.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Decision_Procs/Cooper.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -2386,7 +2386,7 @@
 let
 
 fun num_of_term vs (t as Free (xn, xT)) =
-      (case AList.lookup (op =) vs t of
+      (case AList.lookup (=) vs t of
         NONE => error "Variable not found in the list!"
       | SOME n => @{code Bound} (@{code nat_of_integer} n))
   | num_of_term vs @{term "0::int"} = @{code C} (@{code int_of_integer} 0)
@@ -2398,11 +2398,11 @@
       @{code C} (@{code int_of_integer} (~(HOLogic.dest_numeral t)))
   | num_of_term vs (Bound i) = @{code Bound} (@{code nat_of_integer} i)
   | num_of_term vs (@{term "uminus :: int \<Rightarrow> int"} $ t') = @{code Neg} (num_of_term vs t')
-  | num_of_term vs (@{term "op + :: int \<Rightarrow> int \<Rightarrow> int"} $ t1 $ t2) =
+  | num_of_term vs (@{term "(+) :: int \<Rightarrow> int \<Rightarrow> int"} $ t1 $ t2) =
       @{code Add} (num_of_term vs t1, num_of_term vs t2)
-  | num_of_term vs (@{term "op - :: int \<Rightarrow> int \<Rightarrow> int"} $ t1 $ t2) =
+  | num_of_term vs (@{term "(-) :: int \<Rightarrow> int \<Rightarrow> int"} $ t1 $ t2) =
       @{code Sub} (num_of_term vs t1, num_of_term vs t2)
-  | num_of_term vs (@{term "op * :: int \<Rightarrow> int \<Rightarrow> int"} $ t1 $ t2) =
+  | num_of_term vs (@{term "( * ) :: int \<Rightarrow> int \<Rightarrow> int"} $ t1 $ t2) =
       (case try HOLogic.dest_number t1 of
         SOME (_, i) => @{code Mul} (@{code int_of_integer} i, num_of_term vs t2)
       | NONE =>
@@ -2413,17 +2413,17 @@
 
 fun fm_of_term ps vs @{term True} = @{code T}
   | fm_of_term ps vs @{term False} = @{code F}
-  | fm_of_term ps vs (@{term "op < :: int \<Rightarrow> int \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term ps vs (@{term "(<) :: int \<Rightarrow> int \<Rightarrow> bool"} $ t1 $ t2) =
       @{code Lt} (@{code Sub} (num_of_term vs t1, num_of_term vs t2))
-  | fm_of_term ps vs (@{term "op \<le> :: int \<Rightarrow> int \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term ps vs (@{term "(\<le>) :: int \<Rightarrow> int \<Rightarrow> bool"} $ t1 $ t2) =
       @{code Le} (@{code Sub} (num_of_term vs t1, num_of_term vs t2))
-  | fm_of_term ps vs (@{term "op = :: int \<Rightarrow> int \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term ps vs (@{term "(=) :: int \<Rightarrow> int \<Rightarrow> bool"} $ t1 $ t2) =
       @{code Eq} (@{code Sub} (num_of_term vs t1, num_of_term vs t2))
-  | fm_of_term ps vs (@{term "op dvd :: int \<Rightarrow> int \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term ps vs (@{term "(dvd) :: int \<Rightarrow> int \<Rightarrow> bool"} $ t1 $ t2) =
       (case try HOLogic.dest_number t1 of
         SOME (_, i) => @{code Dvd} (@{code int_of_integer} i, num_of_term vs t2)
       | NONE => error "num_of_term: unsupported dvd")
-  | fm_of_term ps vs (@{term "op = :: bool \<Rightarrow> bool \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term ps vs (@{term "(=) :: bool \<Rightarrow> bool \<Rightarrow> bool"} $ t1 $ t2) =
       @{code Iff} (fm_of_term ps vs t1, fm_of_term ps vs t2)
   | fm_of_term ps vs (@{term HOL.conj} $ t1 $ t2) =
       @{code And} (fm_of_term ps vs t1, fm_of_term ps vs t2)
@@ -2451,11 +2451,11 @@
         val q = @{code integer_of_nat} n
       in fst (the (find_first (fn (_, m) => q = m) vs)) end
   | term_of_num vs (@{code Neg} t') = @{term "uminus :: int \<Rightarrow> int"} $ term_of_num vs t'
-  | term_of_num vs (@{code Add} (t1, t2)) = @{term "op + :: int \<Rightarrow> int \<Rightarrow> int"} $
+  | term_of_num vs (@{code Add} (t1, t2)) = @{term "(+) :: int \<Rightarrow> int \<Rightarrow> int"} $
       term_of_num vs t1 $ term_of_num vs t2
-  | term_of_num vs (@{code Sub} (t1, t2)) = @{term "op - :: int \<Rightarrow> int \<Rightarrow> int"} $
+  | term_of_num vs (@{code Sub} (t1, t2)) = @{term "(-) :: int \<Rightarrow> int \<Rightarrow> int"} $
       term_of_num vs t1 $ term_of_num vs t2
-  | term_of_num vs (@{code Mul} (i, t2)) = @{term "op * :: int \<Rightarrow> int \<Rightarrow> int"} $
+  | term_of_num vs (@{code Mul} (i, t2)) = @{term "( * ) :: int \<Rightarrow> int \<Rightarrow> int"} $
       term_of_num vs (@{code C} i) $ term_of_num vs t2
   | term_of_num vs (@{code CN} (n, i, t)) =
       term_of_num vs (@{code Add} (@{code Mul} (i, @{code Bound} n), t));
@@ -2463,19 +2463,19 @@
 fun term_of_fm ps vs @{code T} = @{term True}
   | term_of_fm ps vs @{code F} = @{term False}
   | term_of_fm ps vs (@{code Lt} t) =
-      @{term "op < :: int \<Rightarrow> int \<Rightarrow> bool"} $ term_of_num vs t $ @{term "0::int"}
+      @{term "(<) :: int \<Rightarrow> int \<Rightarrow> bool"} $ term_of_num vs t $ @{term "0::int"}
   | term_of_fm ps vs (@{code Le} t) =
-      @{term "op \<le> :: int \<Rightarrow> int \<Rightarrow> bool"} $ term_of_num vs t $ @{term "0::int"}
+      @{term "(\<le>) :: int \<Rightarrow> int \<Rightarrow> bool"} $ term_of_num vs t $ @{term "0::int"}
   | term_of_fm ps vs (@{code Gt} t) =
-      @{term "op < :: int \<Rightarrow> int \<Rightarrow> bool"} $ @{term "0::int"} $ term_of_num vs t
+      @{term "(<) :: int \<Rightarrow> int \<Rightarrow> bool"} $ @{term "0::int"} $ term_of_num vs t
   | term_of_fm ps vs (@{code Ge} t) =
-      @{term "op \<le> :: int \<Rightarrow> int \<Rightarrow> bool"} $ @{term "0::int"} $ term_of_num vs t
+      @{term "(\<le>) :: int \<Rightarrow> int \<Rightarrow> bool"} $ @{term "0::int"} $ term_of_num vs t
   | term_of_fm ps vs (@{code Eq} t) =
-      @{term "op = :: int \<Rightarrow> int \<Rightarrow> bool"} $ term_of_num vs t $ @{term "0::int"}
+      @{term "(=) :: int \<Rightarrow> int \<Rightarrow> bool"} $ term_of_num vs t $ @{term "0::int"}
   | term_of_fm ps vs (@{code NEq} t) =
       term_of_fm ps vs (@{code NOT} (@{code Eq} t))
   | term_of_fm ps vs (@{code Dvd} (i, t)) =
-      @{term "op dvd :: int \<Rightarrow> int \<Rightarrow> bool"} $ term_of_num vs (@{code C} i) $ term_of_num vs t
+      @{term "(dvd) :: int \<Rightarrow> int \<Rightarrow> bool"} $ term_of_num vs (@{code C} i) $ term_of_num vs t
   | term_of_fm ps vs (@{code NDvd} (i, t)) =
       term_of_fm ps vs (@{code NOT} (@{code Dvd} (i, t)))
   | term_of_fm ps vs (@{code NOT} t') =
@@ -2487,7 +2487,7 @@
   | term_of_fm ps vs (@{code Imp} (t1, t2)) =
       HOLogic.imp $ term_of_fm ps vs t1 $ term_of_fm ps vs t2
   | term_of_fm ps vs (@{code Iff} (t1, t2)) =
-      @{term "op = :: bool \<Rightarrow> bool \<Rightarrow> bool"} $ term_of_fm ps vs t1 $ term_of_fm ps vs t2
+      @{term "(=) :: bool \<Rightarrow> bool \<Rightarrow> bool"} $ term_of_fm ps vs t1 $ term_of_fm ps vs t2
   | term_of_fm ps vs (@{code Closed} n) =
       let
         val q = @{code integer_of_nat} n
@@ -2497,22 +2497,22 @@
 fun term_bools acc t =
   let
     val is_op =
-      member (op =) [@{term HOL.conj}, @{term HOL.disj}, @{term HOL.implies},
-      @{term "op = :: bool \<Rightarrow> _"},
-      @{term "op = :: int \<Rightarrow> _"}, @{term "op < :: int \<Rightarrow> _"},
-      @{term "op \<le> :: int \<Rightarrow> _"}, @{term "Not"}, @{term "All :: (int \<Rightarrow> _) \<Rightarrow> _"},
+      member (=) [@{term HOL.conj}, @{term HOL.disj}, @{term HOL.implies},
+      @{term "(=) :: bool \<Rightarrow> _"},
+      @{term "(=) :: int \<Rightarrow> _"}, @{term "(<) :: int \<Rightarrow> _"},
+      @{term "(\<le>) :: int \<Rightarrow> _"}, @{term "Not"}, @{term "All :: (int \<Rightarrow> _) \<Rightarrow> _"},
       @{term "Ex :: (int \<Rightarrow> _) \<Rightarrow> _"}, @{term "True"}, @{term "False"}]
     fun is_ty t = not (fastype_of t = HOLogic.boolT)
   in
     (case t of
       (l as f $ a) $ b =>
         if is_ty t orelse is_op t then term_bools (term_bools acc l) b
-        else insert (op aconv) t acc
+        else insert (aconv) t acc
     | f $ a =>
         if is_ty t orelse is_op t then term_bools (term_bools acc f) a
-        else insert (op aconv) t acc
+        else insert (aconv) t acc
     | Abs p => term_bools acc (snd (Syntax_Trans.variant_abs p))  (* FIXME !? *)
-    | _ => if is_ty t orelse is_op t then acc else insert (op aconv) t acc)
+    | _ => if is_ty t orelse is_op t then acc else insert (aconv) t acc)
   end;
 
 in
--- a/src/HOL/Decision_Procs/Ferrack.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Decision_Procs/Ferrack.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -2472,11 +2472,11 @@
   | num_of_term vs @{term "1::real"} = mk_C 1
   | num_of_term vs (Bound i) = mk_Bound i
   | num_of_term vs (@{term "uminus :: real \<Rightarrow> real"} $ t') = @{code Neg} (num_of_term vs t')
-  | num_of_term vs (@{term "op + :: real \<Rightarrow> real \<Rightarrow> real"} $ t1 $ t2) =
+  | num_of_term vs (@{term "(+) :: real \<Rightarrow> real \<Rightarrow> real"} $ t1 $ t2) =
      @{code Add} (num_of_term vs t1, num_of_term vs t2)
-  | num_of_term vs (@{term "op - :: real \<Rightarrow> real \<Rightarrow> real"} $ t1 $ t2) =
+  | num_of_term vs (@{term "(-) :: real \<Rightarrow> real \<Rightarrow> real"} $ t1 $ t2) =
      @{code Sub} (num_of_term vs t1, num_of_term vs t2)
-  | num_of_term vs (@{term "op * :: real \<Rightarrow> real \<Rightarrow> real"} $ t1 $ t2) = (case num_of_term vs t1
+  | num_of_term vs (@{term "( * ) :: real \<Rightarrow> real \<Rightarrow> real"} $ t1 $ t2) = (case num_of_term vs t1
      of @{code C} i => @{code Mul} (i, num_of_term vs t2)
       | _ => error "num_of_term: unsupported multiplication")
   | num_of_term vs (@{term "real_of_int :: int \<Rightarrow> real"} $ t') =
@@ -2488,13 +2488,13 @@
 
 fun fm_of_term vs @{term True} = @{code T}
   | fm_of_term vs @{term False} = @{code F}
-  | fm_of_term vs (@{term "op < :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term vs (@{term "(<) :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) =
       @{code Lt} (@{code Sub} (num_of_term vs t1, num_of_term vs t2))
-  | fm_of_term vs (@{term "op \<le> :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term vs (@{term "(\<le>) :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) =
       @{code Le} (@{code Sub} (num_of_term vs t1, num_of_term vs t2))
-  | fm_of_term vs (@{term "op = :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term vs (@{term "(=) :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) =
       @{code Eq} (@{code Sub} (num_of_term vs t1, num_of_term vs t2))
-  | fm_of_term vs (@{term "op \<longleftrightarrow> :: bool \<Rightarrow> bool \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term vs (@{term "(\<longleftrightarrow>) :: bool \<Rightarrow> bool \<Rightarrow> bool"} $ t1 $ t2) =
       @{code Iff} (fm_of_term vs t1, fm_of_term vs t2)
   | fm_of_term vs (@{term HOL.conj} $ t1 $ t2) = @{code And} (fm_of_term vs t1, fm_of_term vs t2)
   | fm_of_term vs (@{term HOL.disj} $ t1 $ t2) = @{code Or} (fm_of_term vs t1, fm_of_term vs t2)
@@ -2510,32 +2510,32 @@
       HOLogic.mk_number HOLogic.intT (@{code integer_of_int} i)
   | term_of_num vs (@{code Bound} n) = Free (nth vs (@{code integer_of_nat} n))
   | term_of_num vs (@{code Neg} t') = @{term "uminus :: real \<Rightarrow> real"} $ term_of_num vs t'
-  | term_of_num vs (@{code Add} (t1, t2)) = @{term "op + :: real \<Rightarrow> real \<Rightarrow> real"} $
+  | term_of_num vs (@{code Add} (t1, t2)) = @{term "(+) :: real \<Rightarrow> real \<Rightarrow> real"} $
       term_of_num vs t1 $ term_of_num vs t2
-  | term_of_num vs (@{code Sub} (t1, t2)) = @{term "op - :: real \<Rightarrow> real \<Rightarrow> real"} $
+  | term_of_num vs (@{code Sub} (t1, t2)) = @{term "(-) :: real \<Rightarrow> real \<Rightarrow> real"} $
       term_of_num vs t1 $ term_of_num vs t2
-  | term_of_num vs (@{code Mul} (i, t2)) = @{term "op * :: real \<Rightarrow> real \<Rightarrow> real"} $
+  | term_of_num vs (@{code Mul} (i, t2)) = @{term "( * ) :: real \<Rightarrow> real \<Rightarrow> real"} $
       term_of_num vs (@{code C} i) $ term_of_num vs t2
   | term_of_num vs (@{code CN} (n, i, t)) = term_of_num vs (@{code Add} (@{code Mul} (i, @{code Bound} n), t));
 
 fun term_of_fm vs @{code T} = @{term True}
   | term_of_fm vs @{code F} = @{term False}
-  | term_of_fm vs (@{code Lt} t) = @{term "op < :: real \<Rightarrow> real \<Rightarrow> bool"} $
+  | term_of_fm vs (@{code Lt} t) = @{term "(<) :: real \<Rightarrow> real \<Rightarrow> bool"} $
       term_of_num vs t $ @{term "0::real"}
-  | term_of_fm vs (@{code Le} t) = @{term "op \<le> :: real \<Rightarrow> real \<Rightarrow> bool"} $
+  | term_of_fm vs (@{code Le} t) = @{term "(\<le>) :: real \<Rightarrow> real \<Rightarrow> bool"} $
       term_of_num vs t $ @{term "0::real"}
-  | term_of_fm vs (@{code Gt} t) = @{term "op < :: real \<Rightarrow> real \<Rightarrow> bool"} $
+  | term_of_fm vs (@{code Gt} t) = @{term "(<) :: real \<Rightarrow> real \<Rightarrow> bool"} $
       @{term "0::real"} $ term_of_num vs t
-  | term_of_fm vs (@{code Ge} t) = @{term "op \<le> :: real \<Rightarrow> real \<Rightarrow> bool"} $
+  | term_of_fm vs (@{code Ge} t) = @{term "(\<le>) :: real \<Rightarrow> real \<Rightarrow> bool"} $
       @{term "0::real"} $ term_of_num vs t
-  | term_of_fm vs (@{code Eq} t) = @{term "op = :: real \<Rightarrow> real \<Rightarrow> bool"} $
+  | term_of_fm vs (@{code Eq} t) = @{term "(=) :: real \<Rightarrow> real \<Rightarrow> bool"} $
       term_of_num vs t $ @{term "0::real"}
   | term_of_fm vs (@{code NEq} t) = term_of_fm vs (@{code NOT} (@{code Eq} t))
   | term_of_fm vs (@{code NOT} t') = HOLogic.Not $ term_of_fm vs t'
   | term_of_fm vs (@{code And} (t1, t2)) = HOLogic.conj $ term_of_fm vs t1 $ term_of_fm vs t2
   | term_of_fm vs (@{code Or} (t1, t2)) = HOLogic.disj $ term_of_fm vs t1 $ term_of_fm vs t2
   | term_of_fm vs (@{code Imp}  (t1, t2)) = HOLogic.imp $ term_of_fm vs t1 $ term_of_fm vs t2
-  | term_of_fm vs (@{code Iff} (t1, t2)) = @{term "op \<longleftrightarrow> :: bool \<Rightarrow> bool \<Rightarrow> bool"} $
+  | term_of_fm vs (@{code Iff} (t1, t2)) = @{term "(\<longleftrightarrow>) :: bool \<Rightarrow> bool \<Rightarrow> bool"} $
       term_of_fm vs t1 $ term_of_fm vs t2;
 
 in fn (ctxt, t) =>
--- a/src/HOL/Decision_Procs/MIR.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Decision_Procs/MIR.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -5563,7 +5563,7 @@
 val mk_Dvd = @{code Dvd} o apfst @{code int_of_integer};
 val mk_Bound = @{code Bound} o @{code nat_of_integer};
 
-fun num_of_term vs (t as Free (xn, xT)) = (case AList.lookup (op =) vs t
+fun num_of_term vs (t as Free (xn, xT)) = (case AList.lookup (=) vs t
      of NONE => error "Variable not found in the list!"
       | SOME n => mk_Bound n)
   | num_of_term vs @{term "of_int (0::int)"} = mk_C 0
@@ -5573,11 +5573,11 @@
   | num_of_term vs @{term "- 1::real"} = mk_C (~ 1)
   | num_of_term vs (Bound i) = mk_Bound i
   | num_of_term vs (@{term "uminus :: real \<Rightarrow> real"} $ t') = @{code Neg} (num_of_term vs t')
-  | num_of_term vs (@{term "op + :: real \<Rightarrow> real \<Rightarrow> real"} $ t1 $ t2) =
+  | num_of_term vs (@{term "(+) :: real \<Rightarrow> real \<Rightarrow> real"} $ t1 $ t2) =
       @{code Add} (num_of_term vs t1, num_of_term vs t2)
-  | num_of_term vs (@{term "op - :: real \<Rightarrow> real \<Rightarrow> real"} $ t1 $ t2) =
+  | num_of_term vs (@{term "(-) :: real \<Rightarrow> real \<Rightarrow> real"} $ t1 $ t2) =
       @{code Sub} (num_of_term vs t1, num_of_term vs t2)
-  | num_of_term vs (@{term "op * :: real \<Rightarrow> real \<Rightarrow> real"} $ t1 $ t2) =
+  | num_of_term vs (@{term "( * ) :: real \<Rightarrow> real \<Rightarrow> real"} $ t1 $ t2) =
       (case (num_of_term vs t1)
        of @{code C} i => @{code Mul} (i, num_of_term vs t2)
         | _ => error "num_of_term: unsupported Multiplication")
@@ -5597,17 +5597,17 @@
 
 fun fm_of_term vs @{term True} = @{code T}
   | fm_of_term vs @{term False} = @{code F}
-  | fm_of_term vs (@{term "op < :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term vs (@{term "(<) :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) =
       @{code Lt} (@{code Sub} (num_of_term vs t1, num_of_term vs t2))
-  | fm_of_term vs (@{term "op \<le> :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term vs (@{term "(\<le>) :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) =
       @{code Le} (@{code Sub} (num_of_term vs t1, num_of_term vs t2))
-  | fm_of_term vs (@{term "op = :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term vs (@{term "(=) :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) =
       @{code Eq} (@{code Sub} (num_of_term vs t1, num_of_term vs t2))
-  | fm_of_term vs (@{term "op rdvd"} $ (@{term "of_int :: int \<Rightarrow> real"} $ (@{term "numeral :: _ \<Rightarrow> int"} $ t1)) $ t2) =
+  | fm_of_term vs (@{term "(rdvd)"} $ (@{term "of_int :: int \<Rightarrow> real"} $ (@{term "numeral :: _ \<Rightarrow> int"} $ t1)) $ t2) =
       mk_Dvd (HOLogic.dest_numeral t1, num_of_term vs t2)
-  | fm_of_term vs (@{term "op rdvd"} $ (@{term "of_int :: int \<Rightarrow> real"} $ (@{term "- numeral :: _ \<Rightarrow> int"} $ t1)) $ t2) =
+  | fm_of_term vs (@{term "(rdvd)"} $ (@{term "of_int :: int \<Rightarrow> real"} $ (@{term "- numeral :: _ \<Rightarrow> int"} $ t1)) $ t2) =
       mk_Dvd (~ (HOLogic.dest_numeral t1), num_of_term vs t2)
-  | fm_of_term vs (@{term "op = :: bool \<Rightarrow> bool \<Rightarrow> bool"} $ t1 $ t2) =
+  | fm_of_term vs (@{term "(=) :: bool \<Rightarrow> bool \<Rightarrow> bool"} $ t1 $ t2) =
       @{code Iff} (fm_of_term vs t1, fm_of_term vs t2)
   | fm_of_term vs (@{term HOL.conj} $ t1 $ t2) =
       @{code And} (fm_of_term vs t1, fm_of_term vs t2)
@@ -5632,11 +5632,11 @@
   | term_of_num vs (@{code Neg} (@{code Floor} (@{code Neg} t'))) =
       @{term "of_int :: int \<Rightarrow> real"} $ (@{term "ceiling :: real \<Rightarrow> int"} $ term_of_num vs t')
   | term_of_num vs (@{code Neg} t') = @{term "uminus :: real \<Rightarrow> real"} $ term_of_num vs t'
-  | term_of_num vs (@{code Add} (t1, t2)) = @{term "op + :: real \<Rightarrow> real \<Rightarrow> real"} $
+  | term_of_num vs (@{code Add} (t1, t2)) = @{term "(+) :: real \<Rightarrow> real \<Rightarrow> real"} $
       term_of_num vs t1 $ term_of_num vs t2
-  | term_of_num vs (@{code Sub} (t1, t2)) = @{term "op - :: real \<Rightarrow> real \<Rightarrow> real"} $
+  | term_of_num vs (@{code Sub} (t1, t2)) = @{term "(-) :: real \<Rightarrow> real \<Rightarrow> real"} $
       term_of_num vs t1 $ term_of_num vs t2
-  | term_of_num vs (@{code Mul} (i, t2)) = @{term "op * :: real \<Rightarrow> real \<Rightarrow> real"} $
+  | term_of_num vs (@{code Mul} (i, t2)) = @{term "( * ) :: real \<Rightarrow> real \<Rightarrow> real"} $
       term_of_num vs (@{code C} i) $ term_of_num vs t2
   | term_of_num vs (@{code Floor} t) = @{term "of_int :: int \<Rightarrow> real"} $ (@{term "floor :: real \<Rightarrow> int"} $ term_of_num vs t)
   | term_of_num vs (@{code CN} (n, i, t)) = term_of_num vs (@{code Add} (@{code Mul} (i, @{code Bound} n), t))
@@ -5645,19 +5645,19 @@
 fun term_of_fm vs @{code T} = @{term True}
   | term_of_fm vs @{code F} = @{term False}
   | term_of_fm vs (@{code Lt} t) =
-      @{term "op < :: real \<Rightarrow> real \<Rightarrow> bool"} $ term_of_num vs t $ @{term "0::real"}
+      @{term "(<) :: real \<Rightarrow> real \<Rightarrow> bool"} $ term_of_num vs t $ @{term "0::real"}
   | term_of_fm vs (@{code Le} t) =
-      @{term "op \<le> :: real \<Rightarrow> real \<Rightarrow> bool"} $ term_of_num vs t $ @{term "0::real"}
+      @{term "(\<le>) :: real \<Rightarrow> real \<Rightarrow> bool"} $ term_of_num vs t $ @{term "0::real"}
   | term_of_fm vs (@{code Gt} t) =
-      @{term "op < :: real \<Rightarrow> real \<Rightarrow> bool"} $ @{term "0::real"} $ term_of_num vs t
+      @{term "(<) :: real \<Rightarrow> real \<Rightarrow> bool"} $ @{term "0::real"} $ term_of_num vs t
   | term_of_fm vs (@{code Ge} t) =
-      @{term "op \<le> :: real \<Rightarrow> real \<Rightarrow> bool"} $ @{term "0::real"} $ term_of_num vs t
+      @{term "(\<le>) :: real \<Rightarrow> real \<Rightarrow> bool"} $ @{term "0::real"} $ term_of_num vs t
   | term_of_fm vs (@{code Eq} t) =
-      @{term "op = :: real \<Rightarrow> real \<Rightarrow> bool"} $ term_of_num vs t $ @{term "0::real"}
+      @{term "(=) :: real \<Rightarrow> real \<Rightarrow> bool"} $ term_of_num vs t $ @{term "0::real"}
   | term_of_fm vs (@{code NEq} t) =
       term_of_fm vs (@{code NOT} (@{code Eq} t))
   | term_of_fm vs (@{code Dvd} (i, t)) =
-      @{term "op rdvd"} $ term_of_num vs (@{code C} i) $ term_of_num vs t
+      @{term "(rdvd)"} $ term_of_num vs (@{code C} i) $ term_of_num vs t
   | term_of_fm vs (@{code NDvd} (i, t)) =
       term_of_fm vs (@{code NOT} (@{code Dvd} (i, t)))
   | term_of_fm vs (@{code NOT} t') =
@@ -5669,7 +5669,7 @@
   | term_of_fm vs (@{code Imp}  (t1, t2)) =
       HOLogic.imp $ term_of_fm vs t1 $ term_of_fm vs t2
   | term_of_fm vs (@{code Iff} (t1, t2)) =
-      @{term "op = :: bool \<Rightarrow> bool \<Rightarrow> bool"} $ term_of_fm vs t1 $ term_of_fm vs t2;
+      @{term "(=) :: bool \<Rightarrow> bool \<Rightarrow> bool"} $ term_of_fm vs t1 $ term_of_fm vs t2;
 
 in
   fn (ctxt, t) =>
--- a/src/HOL/Decision_Procs/Parametric_Ferrante_Rackoff.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Decision_Procs/Parametric_Ferrante_Rackoff.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -4066,7 +4066,7 @@
 fun frpar_procedure alternative T ps fm =
   let
     val frpar = if alternative then @{code frpar2} else @{code frpar};
-    val fs = subtract (op aconv) (map Free (Term.add_frees fm [])) ps;
+    val fs = subtract (aconv) (map Free (Term.add_frees fm [])) ps;
     val eval = term_of_fm T fs ps o frpar o fm_of_term fs ps;
     val t = HOLogic.dest_Trueprop fm;
   in HOLogic.mk_Trueprop (HOLogic.mk_eq (t, eval t)) end;
--- a/src/HOL/Decision_Procs/Polynomial_List.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Decision_Procs/Polynomial_List.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -186,7 +186,7 @@
     by (cases "x = zero") (auto simp add: distrib_left ac_simps)
 qed
 
-lemma (in comm_semiring_0) poly_cmult_map: "poly (map (op * c) p) x = c * poly p x"
+lemma (in comm_semiring_0) poly_cmult_map: "poly (map (( * ) c) p) x = c * poly p x"
   by (induct p) (auto simp add: distrib_left ac_simps)
 
 lemma (in comm_ring_1) poly_minus: "poly (-- p) x = - (poly p x)"
--- a/src/HOL/Decision_Procs/approximation.ML	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Decision_Procs/approximation.ML	Wed Jan 10 15:25:09 2018 +0100
@@ -105,9 +105,9 @@
 
 fun calculated_subterms (@{const Trueprop} $ t) = calculated_subterms t
   | calculated_subterms (@{const HOL.implies} $ _ $ t) = calculated_subterms t
-  | calculated_subterms (@{term "op <= :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) = [t1, t2]
-  | calculated_subterms (@{term "op < :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) = [t1, t2]
-  | calculated_subterms (@{term "op : :: real \<Rightarrow> real set \<Rightarrow> bool"} $ t1 $
+  | calculated_subterms (@{term "(<=) :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) = [t1, t2]
+  | calculated_subterms (@{term "(<) :: real \<Rightarrow> real \<Rightarrow> bool"} $ t1 $ t2) = [t1, t2]
+  | calculated_subterms (@{term "(:) :: real \<Rightarrow> real set \<Rightarrow> bool"} $ t1 $
                          (@{term "atLeastAtMost :: real \<Rightarrow> real \<Rightarrow> real set"} $ t2 $ t3)) = [t1, t2, t3]
   | calculated_subterms t = raise TERM ("calculated_subterms", [t])
 
@@ -246,7 +246,7 @@
          |> approximate ctxt
          |> HOLogic.dest_list
          |> curry ListPair.zip (HOLogic.dest_list xs @ calculated_subterms arith_term)
-         |> map (fn (elem, s) => @{term "op : :: real \<Rightarrow> real set \<Rightarrow> bool"} $ elem $ mk_result prec (dest_ivl s))
+         |> map (fn (elem, s) => @{term "(:) :: real \<Rightarrow> real set \<Rightarrow> bool"} $ elem $ mk_result prec (dest_ivl s))
          |> foldr1 HOLogic.mk_conj))
 
 fun approx_arith prec ctxt t = realify t
--- a/src/HOL/Decision_Procs/langford.ML	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Decision_Procs/langford.ML	Wed Jan 10 15:25:09 2018 +0100
@@ -145,7 +145,7 @@
               case ndx of
                 [] => NONE
               | _ =>
-                conj_aci_rule (Thm.mk_binop @{cterm "op \<equiv> :: prop => _"} Pp
+                conj_aci_rule (Thm.mk_binop @{cterm "(\<equiv>) :: prop => _"} Pp
                   (Thm.apply @{cterm Trueprop} (list_conj (ndx @ dx))))
                 |> Thm.abstract_rule xn x
                 |> Drule.arg_cong_rule e
@@ -156,7 +156,7 @@
                 |> SOME
             end
         | _ =>
-            conj_aci_rule (Thm.mk_binop @{cterm "op \<equiv> :: prop => _"} Pp
+            conj_aci_rule (Thm.mk_binop @{cterm "(\<equiv>) :: prop => _"} Pp
               (Thm.apply @{cterm Trueprop} (list_conj (eqs @ neqs))))
             |> Thm.abstract_rule xn x |> Drule.arg_cong_rule e
             |> Conv.fconv_rule
--- a/src/HOL/Deriv.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Deriv.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -31,7 +31,7 @@
 
 definition has_field_derivative :: "('a::real_normed_field \<Rightarrow> 'a) \<Rightarrow> 'a \<Rightarrow> 'a filter \<Rightarrow> bool"
     (infix "(has'_field'_derivative)" 50)
-  where "(f has_field_derivative D) F \<longleftrightarrow> (f has_derivative op * D) F"
+  where "(f has_field_derivative D) F \<longleftrightarrow> (f has_derivative ( * ) D) F"
 
 lemma DERIV_cong: "(f has_field_derivative X) F \<Longrightarrow> X = Y \<Longrightarrow> (f has_field_derivative Y) F"
   by simp
@@ -150,7 +150,7 @@
 
 lemma field_has_derivative_at:
   fixes x :: "'a::real_normed_field"
-  shows "(f has_derivative op * D) (at x) \<longleftrightarrow> (\<lambda>h. (f (x + h) - f x) / h) \<midarrow>0\<rightarrow> D"
+  shows "(f has_derivative ( * ) D) (at x) \<longleftrightarrow> (\<lambda>h. (f (x + h) - f x) / h) \<midarrow>0\<rightarrow> D"
   apply (unfold has_derivative_at)
   apply (simp add: bounded_linear_mult_right)
   apply (simp cong: LIM_cong add: nonzero_norm_divide [symmetric])
@@ -588,7 +588,7 @@
   by (rule has_derivative_eq_rhs[of f D]) (simp_all add: fun_eq_iff mult.commute)
 
 lemma has_field_derivative_imp_has_derivative:
-  "(f has_field_derivative D) F \<Longrightarrow> (f has_derivative op * D) F"
+  "(f has_field_derivative D) F \<Longrightarrow> (f has_derivative ( * ) D) F"
   by (simp add: has_field_derivative_def)
 
 lemma DERIV_subset:
@@ -615,7 +615,7 @@
   assume "f differentiable at x within s"
   then obtain f' where *: "(f has_derivative f') (at x within s)"
     unfolding differentiable_def by auto
-  then obtain c where "f' = (op * c)"
+  then obtain c where "f' = (( * ) c)"
     by (metis real_bounded_linear has_derivative_bounded_linear mult.commute fun_eq_iff)
   with * show "\<exists>D. (f has_real_derivative D) (at x within s)"
     unfolding has_field_derivative_def by auto
@@ -647,7 +647,7 @@
 lemma DERIV_def: "DERIV f x :> D \<longleftrightarrow> (\<lambda>h. (f (x + h) - f x) / h) \<midarrow>0\<rightarrow> D"
   unfolding field_has_derivative_at has_field_derivative_def has_field_derivative_iff ..
 
-lemma mult_commute_abs: "(\<lambda>x. x * c) = op * c"
+lemma mult_commute_abs: "(\<lambda>x. x * c) = ( * ) c"
   for c :: "'a::ab_semigroup_mult"
   by (simp add: fun_eq_iff mult.commute)
 
@@ -830,7 +830,7 @@
     ((\<lambda>x. f x * c) has_field_derivative D * c) (at x within s)"
   using DERIV_cmult by (auto simp add: ac_simps)
 
-lemma DERIV_cmult_Id [simp]: "(op * c has_field_derivative c) (at x within s)"
+lemma DERIV_cmult_Id [simp]: "(( * ) c has_field_derivative c) (at x within s)"
   using DERIV_ident [THEN DERIV_cmult, where c = c and x = x] by simp
 
 lemma DERIV_cdivide:
@@ -853,7 +853,7 @@
   shows "((\<lambda>x. inverse (f x)) has_field_derivative - (inverse (f x) * D * inverse (f x)))
     (at x within s)"
 proof -
-  have "(f has_derivative (\<lambda>x. x * D)) = (f has_derivative op * D)"
+  have "(f has_derivative (\<lambda>x. x * D)) = (f has_derivative ( * ) D)"
     by (rule arg_cong [of "\<lambda>x. x * D"]) (simp add: fun_eq_iff)
   with assms have "(f has_derivative (\<lambda>x. x * D)) (at x within s)"
     by (auto dest!: has_field_derivative_imp_has_derivative)
@@ -906,7 +906,7 @@
 
 lemma DERIV_chain': "(f has_field_derivative D) (at x within s) \<Longrightarrow> DERIV g (f x) :> E \<Longrightarrow>
   ((\<lambda>x. g (f x)) has_field_derivative E * D) (at x within s)"
-  using has_derivative_compose[of f "op * D" x s g "op * E"]
+  using has_derivative_compose[of f "( * ) D" x s g "( * ) E"]
   by (simp only: has_field_derivative_def mult_commute_abs ac_simps)
 
 corollary DERIV_chain2: "DERIV f (g x) :> Da \<Longrightarrow> (g has_field_derivative Db) (at x within s) \<Longrightarrow>
@@ -924,7 +924,7 @@
   "(f has_field_derivative Da) (at (g x) within (g ` s)) \<Longrightarrow>
     (g has_field_derivative Db) (at x within s) \<Longrightarrow>
     (f \<circ> g has_field_derivative Da * Db) (at x within s)"
-  using has_derivative_in_compose [of g "op * Db" x s f "op * Da "]
+  using has_derivative_in_compose [of g "( * ) Db" x s f "( * ) Da "]
   by (simp add: has_field_derivative_def o_def mult_commute_abs ac_simps)
 
 (*These two are from HOL Light: HAS_COMPLEX_DERIVATIVE_CHAIN*)
--- a/src/HOL/Enum.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Enum.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -572,7 +572,7 @@
 
 instantiation finite_1 :: complete_boolean_algebra
 begin
-definition [simp]: "op - = (\<lambda>_ _. a\<^sub>1)"
+definition [simp]: "(-) = (\<lambda>_ _. a\<^sub>1)"
 definition [simp]: "uminus = (\<lambda>_. a\<^sub>1)"
 instance by intro_classes simp_all
 end
@@ -584,9 +584,9 @@
 begin
 definition [simp]: "Groups.zero = a\<^sub>1"
 definition [simp]: "Groups.one = a\<^sub>1"
-definition [simp]: "op + = (\<lambda>_ _. a\<^sub>1)"
-definition [simp]: "op * = (\<lambda>_ _. a\<^sub>1)"
-definition [simp]: "op mod = (\<lambda>_ _. a\<^sub>1)" 
+definition [simp]: "(+) = (\<lambda>_ _. a\<^sub>1)"
+definition [simp]: "( * ) = (\<lambda>_ _. a\<^sub>1)"
+definition [simp]: "(mod) = (\<lambda>_ _. a\<^sub>1)" 
 definition [simp]: "abs = (\<lambda>_. a\<^sub>1)"
 definition [simp]: "sgn = (\<lambda>_. a\<^sub>1)"
 definition [simp]: "inverse = (\<lambda>_. a\<^sub>1)"
@@ -688,10 +688,10 @@
 definition [simp]: "1 = a\<^sub>2"
 definition "x + y = (case (x, y) of (a\<^sub>1, a\<^sub>1) \<Rightarrow> a\<^sub>1 | (a\<^sub>2, a\<^sub>2) \<Rightarrow> a\<^sub>1 | _ \<Rightarrow> a\<^sub>2)"
 definition "uminus = (\<lambda>x :: finite_2. x)"
-definition "op - = (op + :: finite_2 \<Rightarrow> _)"
+definition "(-) = ((+) :: finite_2 \<Rightarrow> _)"
 definition "x * y = (case (x, y) of (a\<^sub>2, a\<^sub>2) \<Rightarrow> a\<^sub>2 | _ \<Rightarrow> a\<^sub>1)"
 definition "inverse = (\<lambda>x :: finite_2. x)"
-definition "divide = (op * :: finite_2 \<Rightarrow> _)"
+definition "divide = (( * ) :: finite_2 \<Rightarrow> _)"
 definition "x mod y = (case (x, y) of (a\<^sub>2, a\<^sub>1) \<Rightarrow> a\<^sub>2 | _ \<Rightarrow> a\<^sub>1)"
 definition "abs = (\<lambda>x :: finite_2. x)"
 definition "sgn = (\<lambda>x :: finite_2. x)"
--- a/src/HOL/Equiv_Relations.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Equiv_Relations.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -472,7 +472,7 @@
 lemma equivp_reflp_symp_transp: "equivp R \<longleftrightarrow> reflp R \<and> symp R \<and> transp R"
   by (auto intro: equivpI elim: equivpE)
 
-lemma identity_equivp: "equivp (op =)"
+lemma identity_equivp: "equivp (=)"
   by (auto intro: equivpI reflpI sympI transpI)
 
 lemma equivp_reflp: "equivp R \<Longrightarrow> R x x"
--- a/src/HOL/Factorial.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Factorial.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -389,13 +389,13 @@
 subsection \<open>Misc\<close>
 
 lemma fact_code [code]:
-  "fact n = (of_nat (fold_atLeastAtMost_nat (op *) 2 n 1) :: 'a::semiring_char_0)"
+  "fact n = (of_nat (fold_atLeastAtMost_nat (( * )) 2 n 1) :: 'a::semiring_char_0)"
 proof -
   have "fact n = (of_nat (\<Prod>{1..n}) :: 'a)"
     by (simp add: fact_prod)
   also have "\<Prod>{1..n} = \<Prod>{2..n}"
     by (intro prod.mono_neutral_right) auto
-  also have "\<dots> = fold_atLeastAtMost_nat (op *) 2 n 1"
+  also have "\<dots> = fold_atLeastAtMost_nat (( * )) 2 n 1"
     by (simp add: prod_atLeastAtMost_code)
   finally show ?thesis .
 qed
--- a/src/HOL/Filter.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Filter.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1372,11 +1372,11 @@
 begin
 
 definition rel_filter :: "('a \<Rightarrow> 'b \<Rightarrow> bool) \<Rightarrow> 'a filter \<Rightarrow> 'b filter \<Rightarrow> bool"
-where "rel_filter R F G = ((R ===> op =) ===> op =) (Rep_filter F) (Rep_filter G)"
+where "rel_filter R F G = ((R ===> (=)) ===> (=)) (Rep_filter F) (Rep_filter G)"
 
 lemma rel_filter_eventually:
   "rel_filter R F G \<longleftrightarrow>
-  ((R ===> op =) ===> op =) (\<lambda>P. eventually P F) (\<lambda>P. eventually P G)"
+  ((R ===> (=)) ===> (=)) (\<lambda>P. eventually P F) (\<lambda>P. eventually P G)"
 by(simp add: rel_filter_def eventually_def)
 
 lemma filtermap_id [simp, id_simps]: "filtermap id = id"
@@ -1408,14 +1408,14 @@
          fun_quotient[OF fun_quotient[OF Q identity_quotient] identity_quotient, unfolded Quotient_alt_def])
 
 lemma eventually_parametric [transfer_rule]:
-  "((A ===> op =) ===> rel_filter A ===> op =) eventually eventually"
+  "((A ===> (=)) ===> rel_filter A ===> (=)) eventually eventually"
 by(simp add: rel_fun_def rel_filter_eventually)
 
 lemma frequently_parametric [transfer_rule]:
-  "((A ===> op =) ===> rel_filter A ===> op =) frequently frequently"
+  "((A ===> (=)) ===> rel_filter A ===> (=)) frequently frequently"
   unfolding frequently_def[abs_def] by transfer_prover
 
-lemma rel_filter_eq [relator_eq]: "rel_filter op = = op ="
+lemma rel_filter_eq [relator_eq]: "rel_filter (=) = (=)"
 by(auto simp add: rel_filter_eventually rel_fun_eq fun_eq_iff filter_eq_iff)
 
 lemma rel_filter_mono [relator_mono]:
@@ -1431,7 +1431,7 @@
 lemma is_filter_parametric_aux:
   assumes "is_filter F"
   assumes [transfer_rule]: "bi_total A" "bi_unique A"
-  and [transfer_rule]: "((A ===> op =) ===> op =) F G"
+  and [transfer_rule]: "((A ===> (=)) ===> (=)) F G"
   shows "is_filter G"
 proof -
   interpret is_filter F by fact
@@ -1444,7 +1444,7 @@
     assume "G P'" "G Q'"
     moreover
     from bi_total_fun[OF \<open>bi_unique A\<close> bi_total_eq, unfolded bi_total_def]
-    obtain P Q where [transfer_rule]: "(A ===> op =) P P'" "(A ===> op =) Q Q'" by blast
+    obtain P Q where [transfer_rule]: "(A ===> (=)) P P'" "(A ===> (=)) Q Q'" by blast
     have "F P = G P'" "F Q = G Q'" by transfer_prover+
     ultimately have "F (\<lambda>x. P x \<and> Q x)" by(simp add: conj)
     moreover have "F (\<lambda>x. P x \<and> Q x) = G (\<lambda>x. P' x \<and> Q' x)" by transfer_prover
@@ -1454,7 +1454,7 @@
     assume "\<forall>x. P' x \<longrightarrow> Q' x" "G P'"
     moreover
     from bi_total_fun[OF \<open>bi_unique A\<close> bi_total_eq, unfolded bi_total_def]
-    obtain P Q where [transfer_rule]: "(A ===> op =) P P'" "(A ===> op =) Q Q'" by blast
+    obtain P Q where [transfer_rule]: "(A ===> (=)) P P'" "(A ===> (=)) Q Q'" by blast
     have "F P = G P'" by transfer_prover
     moreover have "(\<forall>x. P x \<longrightarrow> Q x) \<longleftrightarrow> (\<forall>x. P' x \<longrightarrow> Q' x)" by transfer_prover
     ultimately have "F Q" by(simp add: mono)
@@ -1465,7 +1465,7 @@
 
 lemma is_filter_parametric [transfer_rule]:
   "\<lbrakk> bi_total A; bi_unique A \<rbrakk>
-  \<Longrightarrow> (((A ===> op =) ===> op =) ===> op =) is_filter is_filter"
+  \<Longrightarrow> (((A ===> (=)) ===> (=)) ===> (=)) is_filter is_filter"
 apply(rule rel_funI)
 apply(rule iffI)
  apply(erule (3) is_filter_parametric_aux)
@@ -1480,7 +1480,7 @@
 proof(rule left_totalI)
   fix F :: "'a filter"
   from bi_total_fun[OF bi_unique_fun[OF \<open>bi_total A\<close> bi_unique_eq] bi_total_eq]
-  obtain G where [transfer_rule]: "((A ===> op =) ===> op =) (\<lambda>P. eventually P F) G"
+  obtain G where [transfer_rule]: "((A ===> (=)) ===> (=)) (\<lambda>P. eventually P F) G"
     unfolding  bi_total_def by blast
   moreover have "is_filter (\<lambda>P. eventually P F) \<longleftrightarrow> is_filter G" by transfer_prover
   hence "is_filter G" by(simp add: eventually_def is_filter_Rep_filter)
@@ -1509,7 +1509,7 @@
     unfolding filter_eq_iff
   proof
     fix P :: "'a \<Rightarrow> bool"
-    obtain P' where [transfer_rule]: "(A ===> op =) P P'"
+    obtain P' where [transfer_rule]: "(A ===> (=)) P P'"
       using left_total_fun[OF assms left_total_eq] unfolding left_total_def by blast
     have "eventually P F = eventually P' G"
       and "eventually P F' = eventually P' G" by transfer_prover+
@@ -1579,11 +1579,11 @@
 begin
 
 lemma le_filter_parametric [transfer_rule]:
-  "(rel_filter A ===> rel_filter A ===> op =) op \<le> op \<le>"
+  "(rel_filter A ===> rel_filter A ===> (=)) (\<le>) (\<le>)"
 unfolding le_filter_def[abs_def] by transfer_prover
 
 lemma less_filter_parametric [transfer_rule]:
-  "(rel_filter A ===> rel_filter A ===> op =) op < op <"
+  "(rel_filter A ===> rel_filter A ===> (=)) (<) (<)"
 unfolding less_filter_def[abs_def] by transfer_prover
 
 context
--- a/src/HOL/Fun.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Fun.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -84,7 +84,7 @@
 lemma image_eq_imp_comp: "f ` A = g ` B \<Longrightarrow> (h \<circ> f) ` A = (h \<circ> g) ` B"
   by (auto simp: comp_def elim!: equalityE)
 
-lemma image_bind: "f ` (Set.bind A g) = Set.bind A (op ` f \<circ> g)"
+lemma image_bind: "f ` (Set.bind A g) = Set.bind A ((`) f \<circ> g)"
   by (auto simp add: Set.bind_def)
 
 lemma bind_image: "Set.bind (f ` A) g = Set.bind A (g \<circ> f)"
--- a/src/HOL/GCD.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/GCD.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -996,25 +996,25 @@
 lemma dvd_Gcd_iff: "x dvd Gcd A \<longleftrightarrow> (\<forall>y\<in>A. x dvd y)"
   by (blast dest: dvd_GcdD intro: Gcd_greatest)
 
-lemma Gcd_mult: "Gcd (op * c ` A) = normalize c * Gcd A"
+lemma Gcd_mult: "Gcd (( * ) c ` A) = normalize c * Gcd A"
 proof (cases "c = 0")
   case True
   then show ?thesis by auto
 next
   case [simp]: False
-  have "Gcd (op * c ` A) div c dvd Gcd A"
+  have "Gcd (( * ) c ` A) div c dvd Gcd A"
     by (intro Gcd_greatest, subst div_dvd_iff_mult)
        (auto intro!: Gcd_greatest Gcd_dvd simp: mult.commute[of _ c])
-  then have "Gcd (op * c ` A) dvd c * Gcd A"
+  then have "Gcd (( * ) c ` A) dvd c * Gcd A"
     by (subst (asm) div_dvd_iff_mult) (auto intro: Gcd_greatest simp: mult_ac)
   also have "c * Gcd A = (normalize c * Gcd A) * unit_factor c"
     by (subst unit_factor_mult_normalize [symmetric]) (simp only: mult_ac)
-  also have "Gcd (op * c ` A) dvd \<dots> \<longleftrightarrow> Gcd (op * c ` A) dvd normalize c * Gcd A"
+  also have "Gcd (( * ) c ` A) dvd \<dots> \<longleftrightarrow> Gcd (( * ) c ` A) dvd normalize c * Gcd A"
     by (simp add: dvd_mult_unit_iff)
-  finally have "Gcd (op * c ` A) dvd normalize c * Gcd A" .
-  moreover have "normalize c * Gcd A dvd Gcd (op * c ` A)"
+  finally have "Gcd (( * ) c ` A) dvd normalize c * Gcd A" .
+  moreover have "normalize c * Gcd A dvd Gcd (( * ) c ` A)"
     by (intro Gcd_greatest) (auto intro: mult_dvd_mono Gcd_dvd)
-  ultimately have "normalize (Gcd (op * c ` A)) = normalize (normalize c * Gcd A)"
+  ultimately have "normalize (Gcd (( * ) c ` A)) = normalize (normalize c * Gcd A)"
     by (rule associatedI)
   then show ?thesis
     by (simp add: normalize_mult)
@@ -1035,10 +1035,10 @@
 
 lemma Lcm_mult:
   assumes "A \<noteq> {}"
-  shows "Lcm (op * c ` A) = normalize c * Lcm A"
+  shows "Lcm (( * ) c ` A) = normalize c * Lcm A"
 proof (cases "c = 0")
   case True
-  with assms have "op * c ` A = {0}"
+  with assms have "( * ) c ` A = {0}"
     by auto
   with True show ?thesis by auto
 next
@@ -1047,23 +1047,23 @@
     by blast
   have "c dvd c * x"
     by simp
-  also from x have "c * x dvd Lcm (op * c ` A)"
+  also from x have "c * x dvd Lcm (( * ) c ` A)"
     by (intro dvd_Lcm) auto
-  finally have dvd: "c dvd Lcm (op * c ` A)" .
-
-  have "Lcm A dvd Lcm (op * c ` A) div c"
+  finally have dvd: "c dvd Lcm (( * ) c ` A)" .
+
+  have "Lcm A dvd Lcm (( * ) c ` A) div c"
     by (intro Lcm_least dvd_mult_imp_div)
       (auto intro!: Lcm_least dvd_Lcm simp: mult.commute[of _ c])
-  then have "c * Lcm A dvd Lcm (op * c ` A)"
+  then have "c * Lcm A dvd Lcm (( * ) c ` A)"
     by (subst (asm) dvd_div_iff_mult) (auto intro!: Lcm_least simp: mult_ac dvd)
   also have "c * Lcm A = (normalize c * Lcm A) * unit_factor c"
     by (subst unit_factor_mult_normalize [symmetric]) (simp only: mult_ac)
-  also have "\<dots> dvd Lcm (op * c ` A) \<longleftrightarrow> normalize c * Lcm A dvd Lcm (op * c ` A)"
+  also have "\<dots> dvd Lcm (( * ) c ` A) \<longleftrightarrow> normalize c * Lcm A dvd Lcm (( * ) c ` A)"
     by (simp add: mult_unit_dvd_iff)
-  finally have "normalize c * Lcm A dvd Lcm (op * c ` A)" .
-  moreover have "Lcm (op * c ` A) dvd normalize c * Lcm A"
+  finally have "normalize c * Lcm A dvd Lcm (( * ) c ` A)" .
+  moreover have "Lcm (( * ) c ` A) dvd normalize c * Lcm A"
     by (intro Lcm_least) (auto intro: mult_dvd_mono dvd_Lcm)
-  ultimately have "normalize (normalize c * Lcm A) = normalize (Lcm (op * c ` A))"
+  ultimately have "normalize (normalize c * Lcm A) = normalize (Lcm (( * ) c ` A))"
     by (rule associatedI)
   then show ?thesis
     by (simp add: normalize_mult)
--- a/src/HOL/Groups_List.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Groups_List.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -124,7 +124,7 @@
   by (induct xss) simp_all
 
 lemma (in monoid_add) length_product_lists:
-  "length (product_lists xss) = foldr op * (map length xss) 1"
+  "length (product_lists xss) = foldr ( * ) (map length xss) 1"
 proof (induct xss)
   case (Cons xs xss) then show ?case by (induct xs) (auto simp: length_concat o_def)
 qed simp
@@ -234,7 +234,7 @@
 text \<open>General equivalence between @{const sum_list} and @{const sum}\<close>
 lemma (in monoid_add) sum_list_sum_nth:
   "sum_list xs = (\<Sum> i = 0 ..< length xs. xs ! i)"
-  using interv_sum_list_conv_sum_set_nat [of "op ! xs" 0 "length xs"] by (simp add: map_nth)
+  using interv_sum_list_conv_sum_set_nat [of "(!) xs" 0 "length xs"] by (simp add: map_nth)
 
 lemma sum_list_map_eq_sum_count:
   "sum_list (map f xs) = sum (\<lambda>x. count_list xs x * f x) (set xs)"
@@ -292,7 +292,7 @@
 lemma sorted_wrt_less_sum_mono_lowerbound:
   fixes f :: "nat \<Rightarrow> ('b::ordered_comm_monoid_add)"
   assumes mono: "\<And>x y. x\<le>y \<Longrightarrow> f x \<le> f y"
-  shows "sorted_wrt (op <) ns \<Longrightarrow>
+  shows "sorted_wrt (<) ns \<Longrightarrow>
     (\<Sum>i\<in>{0..<length ns}. f i) \<le> (\<Sum>i\<leftarrow>ns. f i)"
 proof (induction ns rule: rev_induct)
   case Nil
@@ -355,7 +355,7 @@
 lemma sum_list_transfer[transfer_rule]:
   includes lifting_syntax
   assumes [transfer_rule]: "A 0 0"
-  assumes [transfer_rule]: "(A ===> A ===> A) op + op +"
+  assumes [transfer_rule]: "(A ===> A ===> A) (+) (+)"
   shows "(list_all2 A ===> A) sum_list sum_list"
   unfolding sum_list.eq_foldr [abs_def]
   by transfer_prover
--- a/src/HOL/HOL.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/HOL.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -1140,7 +1140,7 @@
 \<close>
 
 definition simp_implies :: "prop \<Rightarrow> prop \<Rightarrow> prop"  (infixr "=simp=>" 1)
-  where "simp_implies \<equiv> op \<Longrightarrow>"
+  where "simp_implies \<equiv> (\<Longrightarrow>)"
 
 lemma simp_impliesI:
   assumes PQ: "(PROP P \<Longrightarrow> PROP Q)"
@@ -1607,7 +1607,7 @@
     type T = ((term -> bool) * stamp) list;
     val empty = [];
     val extend = I;
-    fun merge data : T = Library.merge (eq_snd op =) data;
+    fun merge data : T = Library.merge (eq_snd (=)) data;
   );
   fun add m = Data.map (cons (m, stamp ()));
   fun matches thy t = exists (fn (m, _) => m t) (Data.get thy);
@@ -1804,13 +1804,13 @@
   assumes equal_eq: "equal x y \<longleftrightarrow> x = y"
 begin
 
-lemma equal: "equal = (op =)"
+lemma equal: "equal = (=)"
   by (rule ext equal_eq)+
 
 lemma equal_refl: "equal x x \<longleftrightarrow> True"
   unfolding equal by rule+
 
-lemma eq_equal: "(op =) \<equiv> equal"
+lemma eq_equal: "(=) \<equiv> equal"
   by (rule eq_reflection) (rule ext, rule ext, rule sym, rule equal_eq)
 
 end
@@ -1890,7 +1890,7 @@
 
 setup \<open>Sign.add_const_constraint (@{const_name equal}, SOME @{typ "'a::type \<Rightarrow> 'a \<Rightarrow> bool"})\<close>
 
-lemma equal_alias_cert: "OFCLASS('a, equal_class) \<equiv> ((op = :: 'a \<Rightarrow> 'a \<Rightarrow> bool) \<equiv> equal)"
+lemma equal_alias_cert: "OFCLASS('a, equal_class) \<equiv> (((=) :: 'a \<Rightarrow> 'a \<Rightarrow> bool) \<equiv> equal)"
   (is "?ofclass \<equiv> ?equal")
 proof
   assume "PROP ?ofclass"
--- a/src/HOL/HOLCF/Cpodef.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/HOLCF/Cpodef.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -21,7 +21,7 @@
 theorem typedef_po:
   fixes Abs :: "'a::po \<Rightarrow> 'b::type"
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
   shows "OFCLASS('b, po_class)"
   apply (intro_classes, unfold below)
     apply (rule below_refl)
@@ -51,14 +51,14 @@
 subsection \<open>Proving a subtype is chain-finite\<close>
 
 lemma ch2ch_Rep:
-  assumes below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+  assumes below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
   shows "chain S \<Longrightarrow> chain (\<lambda>i. Rep (S i))"
   unfolding chain_def below .
 
 theorem typedef_chfin:
   fixes Abs :: "'a::chfin \<Rightarrow> 'b::po"
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
   shows "OFCLASS('b, chfin_class)"
   apply intro_classes
   apply (drule ch2ch_Rep [OF below])
@@ -79,14 +79,14 @@
 \<close>
 
 lemma typedef_is_lubI:
-  assumes below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+  assumes below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
   shows "range (\<lambda>i. Rep (S i)) <<| Rep x \<Longrightarrow> range S <<| x"
   by (simp add: is_lub_def is_ub_def below)
 
 lemma Abs_inverse_lub_Rep:
   fixes Abs :: "'a::cpo \<Rightarrow> 'b::po"
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and adm:  "adm (\<lambda>x. x \<in> A)"
   shows "chain S \<Longrightarrow> Rep (Abs (\<Squnion>i. Rep (S i))) = (\<Squnion>i. Rep (S i))"
   apply (rule type_definition.Abs_inverse [OF type])
@@ -97,7 +97,7 @@
 theorem typedef_is_lub:
   fixes Abs :: "'a::cpo \<Rightarrow> 'b::po"
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and adm: "adm (\<lambda>x. x \<in> A)"
   assumes S: "chain S"
   shows "range S <<| Abs (\<Squnion>i. Rep (S i))"
@@ -117,7 +117,7 @@
 theorem typedef_cpo:
   fixes Abs :: "'a::cpo \<Rightarrow> 'b::po"
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and adm: "adm (\<lambda>x. x \<in> A)"
   shows "OFCLASS('b, cpo_class)"
 proof
@@ -136,7 +136,7 @@
 theorem typedef_cont_Rep:
   fixes Abs :: "'a::cpo \<Rightarrow> 'b::cpo"
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and adm: "adm (\<lambda>x. x \<in> A)"
   shows "cont (\<lambda>x. f x) \<Longrightarrow> cont (\<lambda>x. Rep (f x))"
   apply (erule cont_apply [OF _ _ cont_const])
@@ -157,7 +157,7 @@
   fixes Abs :: "'a::cpo \<Rightarrow> 'b::cpo"
   fixes f :: "'c::cpo \<Rightarrow> 'a::cpo"
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and adm: "adm (\<lambda>x. x \<in> A)" (* not used *)
     and f_in_A: "\<And>x. f x \<in> A"
   shows "cont f \<Longrightarrow> cont (\<lambda>x. Abs (f x))"
@@ -170,7 +170,7 @@
 theorem typedef_compact:
   fixes Abs :: "'a::cpo \<Rightarrow> 'b::cpo"
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and adm: "adm (\<lambda>x. x \<in> A)"
   shows "compact (Rep k) \<Longrightarrow> compact k"
 proof (unfold compact_def)
@@ -192,7 +192,7 @@
 theorem typedef_pcpo_generic:
   fixes Abs :: "'a::cpo \<Rightarrow> 'b::cpo"
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and z_in_A: "z \<in> A"
     and z_least: "\<And>x. x \<in> A \<Longrightarrow> z \<sqsubseteq> x"
   shows "OFCLASS('b, pcpo_class)"
@@ -211,7 +211,7 @@
 theorem typedef_pcpo:
   fixes Abs :: "'a::pcpo \<Rightarrow> 'b::cpo"
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and bottom_in_A: "\<bottom> \<in> A"
   shows "OFCLASS('b, pcpo_class)"
   by (rule typedef_pcpo_generic [OF type below bottom_in_A], rule minimal)
@@ -226,7 +226,7 @@
 
 theorem typedef_Abs_strict:
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and bottom_in_A: "\<bottom> \<in> A"
   shows "Abs \<bottom> = \<bottom>"
   apply (rule bottomI, unfold below)
@@ -235,7 +235,7 @@
 
 theorem typedef_Rep_strict:
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and bottom_in_A: "\<bottom> \<in> A"
   shows "Rep \<bottom> = \<bottom>"
   apply (rule typedef_Abs_strict [OF type below bottom_in_A, THEN subst])
@@ -244,7 +244,7 @@
 
 theorem typedef_Abs_bottom_iff:
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and bottom_in_A: "\<bottom> \<in> A"
   shows "x \<in> A \<Longrightarrow> (Abs x = \<bottom>) = (x = \<bottom>)"
   apply (rule typedef_Abs_strict [OF type below bottom_in_A, THEN subst])
@@ -253,7 +253,7 @@
 
 theorem typedef_Rep_bottom_iff:
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and bottom_in_A: "\<bottom> \<in> A"
   shows "(Rep x = \<bottom>) = (x = \<bottom>)"
   apply (rule typedef_Rep_strict [OF type below bottom_in_A, THEN subst])
@@ -266,7 +266,7 @@
 theorem typedef_flat:
   fixes Abs :: "'a::flat \<Rightarrow> 'b::pcpo"
   assumes type: "type_definition Rep Abs A"
-    and below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+    and below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
     and bottom_in_A: "\<bottom> \<in> A"
   shows "OFCLASS('b, flat_class)"
   apply (intro_classes)
--- a/src/HOL/HOLCF/Discrete.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/HOLCF/Discrete.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -15,7 +15,7 @@
 instantiation discr :: (type) discrete_cpo
 begin
 
-definition "(op \<sqsubseteq> :: 'a discr \<Rightarrow> 'a discr \<Rightarrow> bool) = (op =)"
+definition "((\<sqsubseteq>) :: 'a discr \<Rightarrow> 'a discr \<Rightarrow> bool) = (=)"
 
 instance
   by standard (simp add: below_discr_def)
--- a/src/HOL/HOLCF/Domain.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/HOLCF/Domain.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -97,7 +97,7 @@
   fixes Abs :: "udom \<Rightarrow> 'a::pcpo"
   fixes t :: "udom defl"
   assumes type: "type_definition Rep Abs (defl_set t)"
-  assumes below: "op \<sqsubseteq> \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
+  assumes below: "(\<sqsubseteq>) \<equiv> \<lambda>x y. Rep x \<sqsubseteq> Rep y"
   assumes emb: "emb \<equiv> (\<Lambda> x. Rep x)"
   assumes prj: "prj \<equiv> (\<Lambda> x. Abs (cast\<cdot>t\<cdot>x))"
   assumes defl: "defl \<equiv> (\<lambda> a::'a itself. t)"
--- a/src/HOL/HOLCF/Fun_Cpo.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/HOLCF/Fun_Cpo.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -14,7 +14,7 @@
 instantiation "fun"  :: (type, below) below
 begin
 
-definition below_fun_def: "(op \<sqsubseteq>) \<equiv> (\<lambda>f g. \<forall>x. f x \<sqsubseteq> g x)"
+definition below_fun_def: "(\<sqsubseteq>) \<equiv> (\<lambda>f g. \<forall>x. f x \<sqsubseteq> g x)"
 
 instance ..
 end
--- a/src/HOL/HOLCF/Library/List_Cpo.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/HOLCF/Library/List_Cpo.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -14,7 +14,7 @@
 begin
 
 definition
-  "xs \<sqsubseteq> ys \<longleftrightarrow> list_all2 (op \<sqsubseteq>) xs ys"
+  "xs \<sqsubseteq> ys \<longleftrightarrow> list_all2 (\<sqsubseteq>) xs ys"
 
 instance proof
   fix xs :: "'a list"
--- a/src/HOL/HOLCF/Product_Cpo.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/HOLCF/Product_Cpo.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -32,7 +32,7 @@
 instantiation prod :: (below, below) below
 begin
 
-definition below_prod_def: "(op \<sqsubseteq>) \<equiv> \<lambda>p1 p2. (fst p1 \<sqsubseteq> fst p2 \<and> snd p1 \<sqsubseteq> snd p2)"
+definition below_prod_def: "(\<sqsubseteq>) \<equiv> \<lambda>p1 p2. (fst p1 \<sqsubseteq> fst p2 \<and> snd p1 \<sqsubseteq> snd p2)"
 
 instance ..
 
--- a/src/HOL/HOLCF/Universal.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/HOLCF/Universal.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -47,7 +47,7 @@
 unfolding node_def less_Suc_eq_le set_encode_def
 apply (rule order_trans [OF _ le_prod_encode_2])
 apply (rule order_trans [OF _ le_prod_encode_2])
-apply (rule order_trans [where y="sum (op ^ 2) {b}"])
+apply (rule order_trans [where y="sum ((^) 2) {b}"])
 apply (simp add: nat_less_power2 [THEN order_less_imp_le])
 apply (erule sum_mono2, simp, simp)
 done
@@ -263,7 +263,7 @@
 
 definition
   compact_le_def:
-    "(op \<sqsubseteq>) \<equiv> (\<lambda>x y. Rep_compact_basis x \<sqsubseteq> Rep_compact_basis y)"
+    "(\<sqsubseteq>) \<equiv> (\<lambda>x y. Rep_compact_basis x \<sqsubseteq> Rep_compact_basis y)"
 
 instance ..
 end
--- a/src/HOL/HOLCF/Up.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/HOLCF/Up.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -28,7 +28,7 @@
 begin
 
 definition below_up_def:
-  "(op \<sqsubseteq>) \<equiv>
+  "(\<sqsubseteq>) \<equiv>
     (\<lambda>x y.
       (case x of
         Ibottom \<Rightarrow> True
--- a/src/HOL/IMP/Abs_Int2_ivl.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/IMP/Abs_Int2_ivl.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -303,7 +303,7 @@
 by(drule (1) add_mono) simp
 
 global_interpretation Val_semilattice
-where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "op +"
+where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "(+)"
 proof (standard, goal_cases)
   case 1 thus ?case by transfer (simp add: le_iff_subset)
 next
@@ -319,7 +319,7 @@
 
 
 global_interpretation Val_lattice_gamma
-where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "op +"
+where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "(+)"
 defines aval_ivl = aval'
 proof (standard, goal_cases)
   case 1 show ?case by(simp add: \<gamma>_inf)
@@ -328,7 +328,7 @@
 qed
 
 global_interpretation Val_inv
-where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "op +"
+where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "(+)"
 and test_num' = in_ivl
 and inv_plus' = inv_plus_ivl and inv_less' = inv_less_ivl
 proof (standard, goal_cases)
@@ -351,7 +351,7 @@
 qed
 
 global_interpretation Abs_Int_inv
-where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "op +"
+where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "(+)"
 and test_num' = in_ivl
 and inv_plus' = inv_plus_ivl and inv_less' = inv_less_ivl
 defines inv_aval_ivl = inv_aval'
@@ -385,7 +385,7 @@
 by(auto simp: is_empty_rep_iff \<gamma>_rep_cases split: extended.splits)
 
 global_interpretation Abs_Int_inv_mono
-where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "op +"
+where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "(+)"
 and test_num' = in_ivl
 and inv_plus' = inv_plus_ivl and inv_less' = inv_less_ivl
 proof (standard, goal_cases)
--- a/src/HOL/IMP/Abs_Int3.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/IMP/Abs_Int3.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -56,10 +56,10 @@
 instantiation st :: ("{order_top,wn}")wn
 begin
 
-lift_definition widen_st :: "'a st \<Rightarrow> 'a st \<Rightarrow> 'a st" is "map2_st_rep (op \<nabla>)"
+lift_definition widen_st :: "'a st \<Rightarrow> 'a st \<Rightarrow> 'a st" is "map2_st_rep (\<nabla>)"
 by(auto simp: eq_st_def)
 
-lift_definition narrow_st :: "'a st \<Rightarrow> 'a st \<Rightarrow> 'a st" is "map2_st_rep (op \<triangle>)"
+lift_definition narrow_st :: "'a st \<Rightarrow> 'a st \<Rightarrow> 'a st" is "map2_st_rep (\<triangle>)"
 by(auto simp: eq_st_def)
 
 instance
@@ -113,13 +113,13 @@
 
 instantiation acom :: (widen)widen
 begin
-definition "widen_acom = map2_acom (op \<nabla>)"
+definition "widen_acom = map2_acom (\<nabla>)"
 instance ..
 end
 
 instantiation acom :: (narrow)narrow
 begin
-definition "narrow_acom = map2_acom (op \<triangle>)"
+definition "narrow_acom = map2_acom (\<triangle>)"
 instance ..
 end
 
@@ -255,7 +255,7 @@
 end
 
 global_interpretation Abs_Int_wn
-where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "op +"
+where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "(+)"
 and test_num' = in_ivl
 and inv_plus' = inv_plus_ivl and inv_less' = inv_less_ivl
 defines AI_wn_ivl = AI_wn
@@ -540,7 +540,7 @@
 
 
 global_interpretation Abs_Int_wn_measure
-where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "op +"
+where \<gamma> = \<gamma>_ivl and num' = num_ivl and plus' = "(+)"
 and test_num' = in_ivl
 and inv_plus' = inv_plus_ivl and inv_less' = inv_less_ivl
 and m = m_ivl and n = n_ivl and h = 3
--- a/src/HOL/IMP/Abs_State.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/IMP/Abs_State.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -99,7 +99,7 @@
 instantiation st :: (semilattice_sup_top) semilattice_sup_top
 begin
 
-lift_definition sup_st :: "'a st \<Rightarrow> 'a st \<Rightarrow> 'a st" is "map2_st_rep (op \<squnion>)"
+lift_definition sup_st :: "'a st \<Rightarrow> 'a st \<Rightarrow> 'a st" is "map2_st_rep (\<squnion>)"
 by (simp add: eq_st_def)
 
 lift_definition top_st :: "'a st" is "[]" .
--- a/src/HOL/IMP/Collecting.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/IMP/Collecting.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -59,7 +59,7 @@
 end
 
 lemma less_eq_acom_annos:
-  "C1 \<le> C2 \<longleftrightarrow> strip C1 = strip C2 \<and> list_all2 (op \<le>) (annos C1) (annos C2)"
+  "C1 \<le> C2 \<longleftrightarrow> strip C1 = strip C2 \<and> list_all2 (\<le>) (annos C1) (annos C2)"
 by(auto simp add: less_eq_acom_def anno_def list_all2_conv_all_nth size_annos_same2)
 
 lemma SKIP_le[simp]: "SKIP {S} \<le> c \<longleftrightarrow> (\<exists>S'. c = SKIP {S'} \<and> S \<le> S')"
--- a/src/HOL/IMP/Compiler2.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/IMP/Compiler2.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -152,11 +152,11 @@
   by (fastforce simp: succs_def isuccs_def split: instr.split)
   
 lemma inj_op_plus [simp]:
-  "inj (op + (i::int))"
+  "inj ((+) (i::int))"
   by (metis add_minus_cancel inj_on_inverseI)
 
 lemma succs_set_shift [simp]:
-  "op + i ` succs xs 0 = succs xs i"
+  "(+) i ` succs xs 0 = succs xs i"
   by (force simp: succs_shift [where n=i, symmetric] intro: set_eqI)
 
 lemma succs_append [simp]:
@@ -165,7 +165,7 @@
 
 
 lemma exits_append [simp]:
-  "exits (xs @ ys) = exits xs \<union> (op + (size xs)) ` exits ys - 
+  "exits (xs @ ys) = exits xs \<union> ((+) (size xs)) ` exits ys - 
                      {0..<size xs + size ys}" 
   by (auto simp: exits_def image_set_diff)
   
@@ -174,7 +174,7 @@
   by (auto simp: exits_def succs_def)
   
 lemma exits_Cons:
-  "exits (x # xs) = (isuccs x 0 - {0}) \<union> (op + 1) ` exits xs - 
+  "exits (x # xs) = (isuccs x 0 - {0}) \<union> ((+) 1) ` exits xs - 
                      {0..<1 + size xs}" 
   using exits_append [of "[x]" xs]
   by (simp add: exits_single)
--- a/src/HOL/Imperative_HOL/Heap_Monad.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Imperative_HOL/Heap_Monad.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -646,8 +646,8 @@
 
 val imp_program =
   let
-    val is_bind = curry (op =) @{const_name bind};
-    val is_return = curry (op =) @{const_name return};
+    val is_bind = curry (=) @{const_name bind};
+    val is_return = curry (=) @{const_name return};
     val dummy_name = "";
     val dummy_case_term = IVar NONE;
     (*assumption: dummy values are not relevant for serialization*)
--- a/src/HOL/Import/HOL_Light_Maps.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Import/HOL_Light_Maps.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -16,11 +16,11 @@
   by simp
 
 lemma [import_const "/\\"]:
-  "(op \<and>) = (\<lambda>p q. (\<lambda>f. f p q :: bool) = (\<lambda>f. f True True))"
+  "(\<and>) = (\<lambda>p q. (\<lambda>f. f p q :: bool) = (\<lambda>f. f True True))"
   by metis
 
 lemma [import_const "==>"]:
-  "(op \<longrightarrow>) = (\<lambda>(p::bool) q::bool. (p \<and> q) = p)"
+  "(\<longrightarrow>) = (\<lambda>(p::bool) q::bool. (p \<and> q) = p)"
   by auto
 
 lemma [import_const "!"]:
@@ -32,7 +32,7 @@
   by auto
 
 lemma [import_const "\\/"]:
-  "(op \<or>) = (\<lambda>p q. \<forall>r. (p \<longrightarrow> r) \<longrightarrow> (q \<longrightarrow> r) \<longrightarrow> r)"
+  "(\<or>) = (\<lambda>p q. \<forall>r. (p \<longrightarrow> r) \<longrightarrow> (q \<longrightarrow> r) \<longrightarrow> r)"
   by auto
 
 lemma [import_const F]:
@@ -61,7 +61,7 @@
   unfolding fun_eq_iff by auto
 
 lemma [import_const o]:
-  "(op \<circ>) = (\<lambda>(f::'B \<Rightarrow> 'C) g x::'A. f (g x))"
+  "(\<circ>) = (\<lambda>(f::'B \<Rightarrow> 'C) g x::'A. f (g x))"
   unfolding fun_eq_iff by simp
 
 lemma [import_const I]: "id = (\<lambda>x::'A. x)"
@@ -166,11 +166,11 @@
   by auto
 
 lemma DEF_GE[import_const ">=" : greater_eq]:
-  "(op \<ge>) = (\<lambda>x y :: nat. y \<le> x)"
+  "(\<ge>) = (\<lambda>x y :: nat. y \<le> x)"
   by simp
 
 lemma DEF_GT[import_const ">" : greater]:
-  "(op >) = (\<lambda>x y :: nat. y < x)"
+  "(>) = (\<lambda>x y :: nat. y < x)"
   by simp
 
 lemma DEF_MAX[import_const "MAX"]:
--- a/src/HOL/Int.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Int.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -74,7 +74,7 @@
 lemma int_def: "int n = Abs_Integ (n, 0)"
   by (induct n) (simp add: zero_int.abs_eq, simp add: one_int.abs_eq plus_int.abs_eq)
 
-lemma int_transfer [transfer_rule]: "(rel_fun (op =) pcr_int) (\<lambda>n. (n, 0)) int"
+lemma int_transfer [transfer_rule]: "(rel_fun (=) pcr_int) (\<lambda>n. (n, 0)) int"
   by (simp add: rel_fun_def int.pcr_cr_eq cr_int_def int_def)
 
 lemma int_diff_cases: obtains (diff) m n where "z = int m - int n"
--- a/src/HOL/Lattices.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Lattices.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -335,7 +335,7 @@
 context lattice
 begin
 
-lemma dual_lattice: "class.lattice sup (op \<ge>) (op >) inf"
+lemma dual_lattice: "class.lattice sup (\<ge>) (>) inf"
   by (rule class.lattice.intro,
       rule dual_semilattice,
       rule class.semilattice_sup.intro,
@@ -437,7 +437,7 @@
 lemma inf_sup_distrib2: "(y \<squnion> z) \<sqinter> x = (y \<sqinter> x) \<squnion> (z \<sqinter> x)"
   by (simp add: inf_commute inf_sup_distrib1)
 
-lemma dual_distrib_lattice: "class.distrib_lattice sup (op \<ge>) (op >) inf"
+lemma dual_distrib_lattice: "class.distrib_lattice sup (\<ge>) (>) inf"
   by (rule class.distrib_lattice.intro, rule dual_lattice)
     (unfold_locales, fact inf_sup_distrib1)
 
--- a/src/HOL/Library/BNF_Corec.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Library/BNF_Corec.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -27,7 +27,7 @@
 lemma convol_apply: "BNF_Def.convol f g x = (f x, g x)"
   unfolding convol_def ..
 
-lemma Grp_UNIV_id: "BNF_Def.Grp UNIV id = (op =)"
+lemma Grp_UNIV_id: "BNF_Def.Grp UNIV id = (=)"
   unfolding BNF_Def.Grp_def by auto
 
 lemma sum_comp_cases:
@@ -162,9 +162,9 @@
   "\<rho> = eval \<circ> f \<Longrightarrow> rel (gen_cong R) (f x) (f y) \<Longrightarrow> gen_cong R (\<rho> x) (\<rho> y)"
   by (simp add: gen_cong_eval)
 lemma coinduction:
-  assumes coind: "\<forall>R. R \<le> retr R \<longrightarrow> R \<le> op ="
+  assumes coind: "\<forall>R. R \<le> retr R \<longrightarrow> R \<le> (=)"
   assumes cih: "R \<le> retr (gen_cong R)"
-  shows "R \<le> op ="
+  shows "R \<le> (=)"
   apply (rule order_trans[OF leq_gen_cong mp[OF spec[OF coind]]])
   apply (rule self_bounded_weaken_left[OF gen_cong_minimal])
    apply (rule inf_greatest[OF leq_gen_cong cih])
--- a/src/HOL/Library/Cancellation.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Library/Cancellation.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -22,7 +22,7 @@
   (e.g., \<open>Suc _ = 0\<close>).\<close>
 
 definition iterate_add :: \<open>nat \<Rightarrow> 'a::cancel_comm_monoid_add \<Rightarrow> 'a\<close> where
-  \<open>iterate_add n a = ((op + a) ^^ n) 0\<close>
+  \<open>iterate_add n a = (((+) a) ^^ n) 0\<close>
 
 lemma iterate_add_simps[simp]:
   \<open>iterate_add 0 a = 0\<close>
--- a/src/HOL/Library/Cardinality.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Library/Cardinality.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -387,8 +387,8 @@
 
 text \<open>
   Implement @{term "CARD('a)"} via @{term card_UNIV} and provide
-  implementations for @{term "finite"}, @{term "card"}, @{term "op \<subseteq>"}, 
-  and @{term "op ="}if the calling context already provides @{class finite_UNIV}
+  implementations for @{term "finite"}, @{term "card"}, @{term "(\<subseteq>)"}, 
+  and @{term "(=)"}if the calling context already provides @{class finite_UNIV}
   and @{class card_UNIV} instances. If we implemented the latter
   always via @{term card_UNIV}, we would require instances of essentially all 
   element types, i.e., a lot of instantiation proofs and -- at run time --
@@ -441,7 +441,7 @@
 
 
 qualified definition subset' :: "'a set \<Rightarrow> 'a set \<Rightarrow> bool"
-where [simp, code del, code_abbrev]: "subset' = op \<subseteq>"
+where [simp, code del, code_abbrev]: "subset' = (\<subseteq>)"
 
 lemma subset'_code [code]:
   "subset' A (List.coset ys) \<longleftrightarrow> (\<forall>y \<in> set ys. y \<notin> A)"
@@ -451,7 +451,7 @@
   (metis finite_compl finite_set rev_finite_subset)
 
 qualified definition eq_set :: "'a set \<Rightarrow> 'a set \<Rightarrow> bool"
-where [simp, code del, code_abbrev]: "eq_set = op ="
+where [simp, code del, code_abbrev]: "eq_set = (=)"
 
 lemma eq_set_code [code]:
   fixes ys
--- a/src/HOL/Library/Char_ord.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Library/Char_ord.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -51,15 +51,15 @@
 begin
 
 lift_definition less_literal :: "String.literal \<Rightarrow> String.literal \<Rightarrow> bool"
-  is "ord.lexordp op <" .
+  is "ord.lexordp (<)" .
 
 lift_definition less_eq_literal :: "String.literal \<Rightarrow> String.literal \<Rightarrow> bool"
-  is "ord.lexordp_eq op <" .
+  is "ord.lexordp_eq (<)" .
 
 instance
 proof -
-  interpret linorder "ord.lexordp_eq op <" "ord.lexordp op < :: string \<Rightarrow> string \<Rightarrow> bool"
-    by (rule linorder.lexordp_linorder[where less_eq="op \<le>"]) unfold_locales
+  interpret linorder "ord.lexordp_eq (<)" "ord.lexordp (<) :: string \<Rightarrow> string \<Rightarrow> bool"
+    by (rule linorder.lexordp_linorder[where less_eq="(\<le>)"]) unfold_locales
   show "PROP ?thesis"
     by intro_classes (transfer, simp add: less_le_not_le linear)+
 qed
@@ -69,11 +69,11 @@
 end
 
 lemma less_literal_code [code]:
-  "op < = (\<lambda>xs ys. ord.lexordp op < (String.explode xs) (String.explode ys))"
+  "(<) = (\<lambda>xs ys. ord.lexordp (<) (String.explode xs) (String.explode ys))"
   by (simp add: less_literal.rep_eq fun_eq_iff)
 
 lemma less_eq_literal_code [code]:
-  "op \<le> = (\<lambda>xs ys. ord.lexordp_eq op < (String.explode xs) (String.explode ys))"
+  "(\<le>) = (\<lambda>xs ys. ord.lexordp_eq (<) (String.explode xs) (String.explode ys))"
   by (simp add: less_eq_literal.rep_eq fun_eq_iff)
 
 lifting_update literal.lifting
--- a/src/HOL/Library/Code_Real_Approx_By_Float.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Library/Code_Real_Approx_By_Float.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -55,17 +55,17 @@
     and (OCaml) "Pervasives.(<)"
 
 code_printing
-  constant "op + :: real \<Rightarrow> real \<Rightarrow> real" \<rightharpoonup>
+  constant "(+) :: real \<Rightarrow> real \<Rightarrow> real" \<rightharpoonup>
     (SML) "Real.+ ((_), (_))"
     and (OCaml) "Pervasives.( +. )"
 
 code_printing
-  constant "op * :: real \<Rightarrow> real \<Rightarrow> real" \<rightharpoonup>
+  constant "( * ) :: real \<Rightarrow> real \<Rightarrow> real" \<rightharpoonup>
     (SML) "Real.* ((_), (_))"
     and (OCaml) "Pervasives.( *. )"
 
 code_printing
-  constant "op - :: real \<Rightarrow> real \<Rightarrow> real" \<rightharpoonup>
+  constant "(-) :: real \<Rightarrow> real \<Rightarrow> real" \<rightharpoonup>
     (SML) "Real.- ((_), (_))"
     and (OCaml) "Pervasives.( -. )"
 
@@ -75,7 +75,7 @@
     and (OCaml) "Pervasives.( ~-. )"
 
 code_printing
-  constant "op / :: real \<Rightarrow> real \<Rightarrow> real" \<rightharpoonup>
+  constant "(/) :: real \<Rightarrow> real \<Rightarrow> real" \<rightharpoonup>
     (SML) "Real.'/ ((_), (_))"
     and (OCaml) "Pervasives.( '/. )"
 
--- a/src/HOL/Library/Complete_Partial_Order2.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Library/Complete_Partial_Order2.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -10,12 +10,12 @@
 
 lemma chain_transfer [transfer_rule]:
   includes lifting_syntax
-  shows "((A ===> A ===> op =) ===> rel_set A ===> op =) Complete_Partial_Order.chain Complete_Partial_Order.chain"
+  shows "((A ===> A ===> (=)) ===> rel_set A ===> (=)) Complete_Partial_Order.chain Complete_Partial_Order.chain"
 unfolding chain_def[abs_def] by transfer_prover
 
 lemma linorder_chain [simp, intro!]:
   fixes Y :: "_ :: linorder set"
-  shows "Complete_Partial_Order.chain op \<le> Y"
+  shows "Complete_Partial_Order.chain (\<le>) Y"
 by(auto intro: chainI)
 
 lemma fun_lub_apply: "\<And>Sup. fun_lub Sup Y x = Sup ((\<lambda>f. f x) ` Y)"
@@ -47,15 +47,15 @@
 
 context ccpo begin
 
-lemma ccpo_fun: "class.ccpo (fun_lub Sup) (fun_ord op \<le>) (mk_less (fun_ord op \<le>))"
+lemma ccpo_fun: "class.ccpo (fun_lub Sup) (fun_ord (\<le>)) (mk_less (fun_ord (\<le>)))"
   by standard (auto 4 3 simp add: mk_less_def fun_ord_def fun_lub_apply
     intro: order.trans antisym chain_imageI ccpo_Sup_upper ccpo_Sup_least)
 
-lemma ccpo_Sup_below_iff: "Complete_Partial_Order.chain op \<le> Y \<Longrightarrow> Sup Y \<le> x \<longleftrightarrow> (\<forall>y\<in>Y. y \<le> x)"
+lemma ccpo_Sup_below_iff: "Complete_Partial_Order.chain (\<le>) Y \<Longrightarrow> Sup Y \<le> x \<longleftrightarrow> (\<forall>y\<in>Y. y \<le> x)"
 by(fast intro: order_trans[OF ccpo_Sup_upper] ccpo_Sup_least)
 
 lemma Sup_minus_bot: 
-  assumes chain: "Complete_Partial_Order.chain op \<le> A"
+  assumes chain: "Complete_Partial_Order.chain (\<le>) A"
   shows "\<Squnion>(A - {\<Squnion>{}}) = \<Squnion>A"
     (is "?lhs = ?rhs")
 proof (rule antisym)
@@ -71,14 +71,14 @@
 
 lemma mono_lub:
   fixes le_b (infix "\<sqsubseteq>" 60)
-  assumes chain: "Complete_Partial_Order.chain (fun_ord op \<le>) Y"
-  and mono: "\<And>f. f \<in> Y \<Longrightarrow> monotone le_b op \<le> f"
-  shows "monotone op \<sqsubseteq> op \<le> (fun_lub Sup Y)"
+  assumes chain: "Complete_Partial_Order.chain (fun_ord (\<le>)) Y"
+  and mono: "\<And>f. f \<in> Y \<Longrightarrow> monotone le_b (\<le>) f"
+  shows "monotone (\<sqsubseteq>) (\<le>) (fun_lub Sup Y)"
 proof(rule monotoneI)
   fix x y
   assume "x \<sqsubseteq> y"
 
-  have chain'': "\<And>x. Complete_Partial_Order.chain op \<le> ((\<lambda>f. f x) ` Y)"
+  have chain'': "\<And>x. Complete_Partial_Order.chain (\<le>) ((\<lambda>f. f x) ` Y)"
     using chain by(rule chain_imageI)(simp add: fun_ord_def)
   then show "fun_lub Sup Y x \<le> fun_lub Sup Y y" unfolding fun_lub_apply
   proof(rule ccpo_Sup_least)
@@ -96,7 +96,7 @@
 context
   fixes le_b (infix "\<sqsubseteq>" 60) and Y f
   assumes chain: "Complete_Partial_Order.chain le_b Y" 
-  and mono1: "\<And>y. y \<in> Y \<Longrightarrow> monotone le_b op \<le> (\<lambda>x. f x y)"
+  and mono1: "\<And>y. y \<in> Y \<Longrightarrow> monotone le_b (\<le>) (\<lambda>x. f x y)"
   and mono2: "\<And>x a b. \<lbrakk> x \<in> Y; a \<sqsubseteq> b; a \<in> Y; b \<in> Y \<rbrakk> \<Longrightarrow> f x a \<le> f x b"
 begin
 
@@ -104,7 +104,7 @@
   assumes le: "x \<sqsubseteq> y" and x: "x \<in> Y" and y: "y \<in> Y"
   shows "\<Squnion>(f x ` Y) \<le> \<Squnion>(f y ` Y)" (is "_ \<le> ?rhs")
 proof(rule ccpo_Sup_least)
-  from chain show chain': "Complete_Partial_Order.chain op \<le> (f x ` Y)" when "x \<in> Y" for x
+  from chain show chain': "Complete_Partial_Order.chain (\<le>) (f x ` Y)" when "x \<in> Y" for x
     by(rule chain_imageI) (insert that, auto dest: mono2)
 
   fix x'
@@ -118,11 +118,11 @@
 
 lemma diag_Sup: "\<Squnion>((\<lambda>x. \<Squnion>(f x ` Y)) ` Y) = \<Squnion>((\<lambda>x. f x x) ` Y)" (is "?lhs = ?rhs")
 proof(rule antisym)
-  have chain1: "Complete_Partial_Order.chain op \<le> ((\<lambda>x. \<Squnion>(f x ` Y)) ` Y)"
+  have chain1: "Complete_Partial_Order.chain (\<le>) ((\<lambda>x. \<Squnion>(f x ` Y)) ` Y)"
     using chain by(rule chain_imageI)(rule Sup_mono)
-  have chain2: "\<And>y'. y' \<in> Y \<Longrightarrow> Complete_Partial_Order.chain op \<le> (f y' ` Y)" using chain
+  have chain2: "\<And>y'. y' \<in> Y \<Longrightarrow> Complete_Partial_Order.chain (\<le>) (f y' ` Y)" using chain
     by(rule chain_imageI)(auto dest: mono2)
-  have chain3: "Complete_Partial_Order.chain op \<le> ((\<lambda>x. f x x) ` Y)"
+  have chain3: "Complete_Partial_Order.chain (\<le>) ((\<lambda>x. f x x) ` Y)"
     using chain by(rule chain_imageI)(auto intro: monotoneD[OF mono1] mono2 order.trans)
 
   show "?lhs \<le> ?rhs" using chain1
@@ -162,12 +162,12 @@
 
 lemma Sup_image_mono_le:
   fixes le_b (infix "\<sqsubseteq>" 60) and Sup_b ("\<Or>_" [900] 900)
-  assumes ccpo: "class.ccpo Sup_b op \<sqsubseteq> lt_b"
-  assumes chain: "Complete_Partial_Order.chain op \<sqsubseteq> Y"
+  assumes ccpo: "class.ccpo Sup_b (\<sqsubseteq>) lt_b"
+  assumes chain: "Complete_Partial_Order.chain (\<sqsubseteq>) Y"
   and mono: "\<And>x y. \<lbrakk> x \<sqsubseteq> y; x \<in> Y \<rbrakk> \<Longrightarrow> f x \<le> f y"
   shows "Sup (f ` Y) \<le> f (\<Or>Y)"
 proof(rule ccpo_Sup_least)
-  show "Complete_Partial_Order.chain op \<le> (f ` Y)"
+  show "Complete_Partial_Order.chain (\<le>) (f ` Y)"
     using chain by(rule chain_imageI)(rule mono)
 
   fix x
@@ -180,9 +180,9 @@
 
 lemma swap_Sup:
   fixes le_b (infix "\<sqsubseteq>" 60)
-  assumes Y: "Complete_Partial_Order.chain op \<sqsubseteq> Y"
-  and Z: "Complete_Partial_Order.chain (fun_ord op \<le>) Z"
-  and mono: "\<And>f. f \<in> Z \<Longrightarrow> monotone op \<sqsubseteq> op \<le> f"
+  assumes Y: "Complete_Partial_Order.chain (\<sqsubseteq>) Y"
+  and Z: "Complete_Partial_Order.chain (fun_ord (\<le>)) Z"
+  and mono: "\<And>f. f \<in> Z \<Longrightarrow> monotone (\<sqsubseteq>) (\<le>) f"
   shows "\<Squnion>((\<lambda>x. \<Squnion>(x ` Y)) ` Z) = \<Squnion>((\<lambda>x. \<Squnion>((\<lambda>f. f x) ` Z)) ` Y)"
   (is "?lhs = ?rhs")
 proof(cases "Y = {}")
@@ -191,27 +191,27 @@
     by (simp add: image_constant_conv cong del: strong_SUP_cong)
 next
   case False
-  have chain1: "\<And>f. f \<in> Z \<Longrightarrow> Complete_Partial_Order.chain op \<le> (f ` Y)"
+  have chain1: "\<And>f. f \<in> Z \<Longrightarrow> Complete_Partial_Order.chain (\<le>) (f ` Y)"
     by(rule chain_imageI[OF Y])(rule monotoneD[OF mono])
-  have chain2: "Complete_Partial_Order.chain op \<le> ((\<lambda>x. \<Squnion>(x ` Y)) ` Z)" using Z
+  have chain2: "Complete_Partial_Order.chain (\<le>) ((\<lambda>x. \<Squnion>(x ` Y)) ` Z)" using Z
   proof(rule chain_imageI)
     fix f g
     assume "f \<in> Z" "g \<in> Z"
-      and "fun_ord op \<le> f g"
+      and "fun_ord (\<le>) f g"
     from chain1[OF \<open>f \<in> Z\<close>] show "\<Squnion>(f ` Y) \<le> \<Squnion>(g ` Y)"
     proof(rule ccpo_Sup_least)
       fix x
       assume "x \<in> f ` Y"
       then obtain y where "y \<in> Y" "x = f y" by blast note this(2)
-      also have "\<dots> \<le> g y" using \<open>fun_ord op \<le> f g\<close> by(simp add: fun_ord_def)
+      also have "\<dots> \<le> g y" using \<open>fun_ord (\<le>) f g\<close> by(simp add: fun_ord_def)
       also have "\<dots> \<le> \<Squnion>(g ` Y)" using chain1[OF \<open>g \<in> Z\<close>]
         by(rule ccpo_Sup_upper)(simp add: \<open>y \<in> Y\<close>)
       finally show "x \<le> \<Squnion>(g ` Y)" .
     qed
   qed
-  have chain3: "\<And>x. Complete_Partial_Order.chain op \<le> ((\<lambda>f. f x) ` Z)"
+  have chain3: "\<And>x. Complete_Partial_Order.chain (\<le>) ((\<lambda>f. f x) ` Z)"
     using Z by(rule chain_imageI)(simp add: fun_ord_def)
-  have chain4: "Complete_Partial_Order.chain op \<le> ((\<lambda>x. \<Squnion>((\<lambda>f. f x) ` Z)) ` Y)"
+  have chain4: "Complete_Partial_Order.chain (\<le>) ((\<lambda>x. \<Squnion>((\<lambda>f. f x) ` Z)) ` Y)"
     using Y
   proof(rule chain_imageI)
     fix f x y
@@ -268,9 +268,9 @@
 qed
 
 lemma fixp_mono:
-  assumes fg: "fun_ord op \<le> f g"
-  and f: "monotone op \<le> op \<le> f"
-  and g: "monotone op \<le> op \<le> g"
+  assumes fg: "fun_ord (\<le>) f g"
+  and f: "monotone (\<le>) (\<le>) f"
+  and g: "monotone (\<le>) (\<le>) g"
   shows "ccpo_class.fixp f \<le> ccpo_class.fixp g"
 unfolding fixp_def
 proof(rule ccpo_Sup_least)
@@ -289,22 +289,22 @@
 context fixes ordb :: "'b \<Rightarrow> 'b \<Rightarrow> bool" (infix "\<sqsubseteq>" 60) begin
 
 lemma iterates_mono:
-  assumes f: "f \<in> ccpo.iterates (fun_lub Sup) (fun_ord op \<le>) F"
-  and mono: "\<And>f. monotone op \<sqsubseteq> op \<le> f \<Longrightarrow> monotone op \<sqsubseteq> op \<le> (F f)"
-  shows "monotone op \<sqsubseteq> op \<le> f"
+  assumes f: "f \<in> ccpo.iterates (fun_lub Sup) (fun_ord (\<le>)) F"
+  and mono: "\<And>f. monotone (\<sqsubseteq>) (\<le>) f \<Longrightarrow> monotone (\<sqsubseteq>) (\<le>) (F f)"
+  shows "monotone (\<sqsubseteq>) (\<le>) f"
 using f
 by(induction rule: ccpo.iterates.induct[OF ccpo_fun, consumes 1, case_names step Sup])(blast intro: mono mono_lub)+
 
 lemma fixp_preserves_mono:
-  assumes mono: "\<And>x. monotone (fun_ord op \<le>) op \<le> (\<lambda>f. F f x)"
-  and mono2: "\<And>f. monotone op \<sqsubseteq> op \<le> f \<Longrightarrow> monotone op \<sqsubseteq> op \<le> (F f)"
-  shows "monotone op \<sqsubseteq> op \<le> (ccpo.fixp (fun_lub Sup) (fun_ord op \<le>) F)"
+  assumes mono: "\<And>x. monotone (fun_ord (\<le>)) (\<le>) (\<lambda>f. F f x)"
+  and mono2: "\<And>f. monotone (\<sqsubseteq>) (\<le>) f \<Longrightarrow> monotone (\<sqsubseteq>) (\<le>) (F f)"
+  shows "monotone (\<sqsubseteq>) (\<le>) (ccpo.fixp (fun_lub Sup) (fun_ord (\<le>)) F)"
   (is "monotone _ _ ?fixp")
 proof(rule monotoneI)
-  have mono: "monotone (fun_ord op \<le>) (fun_ord op \<le>) F"
+  have mono: "monotone (fun_ord (\<le>)) (fun_ord (\<le>)) F"
     by(rule monotoneI)(auto simp add: fun_ord_def intro: monotoneD[OF mono])
-  let ?iter = "ccpo.iterates (fun_lub Sup) (fun_ord op \<le>) F"
-  have chain: "\<And>x. Complete_Partial_Order.chain op \<le> ((\<lambda>f. f x) ` ?iter)"
+  let ?iter = "ccpo.iterates (fun_lub Sup) (fun_ord (\<le>)) F"
+  have chain: "\<And>x. Complete_Partial_Order.chain (\<le>) ((\<lambda>f. f x) ` ?iter)"
     by(rule chain_imageI[OF ccpo.chain_iterates[OF ccpo_fun mono]])(simp add: fun_ord_def)
 
   fix x y
@@ -417,10 +417,10 @@
 
 context preorder begin
 
-lemma transp_le [simp, cont_intro]: "transp op \<le>"
+lemma transp_le [simp, cont_intro]: "transp (\<le>)"
 by(rule transpI)(rule order_trans)
 
-lemma monotone_const [simp, cont_intro]: "monotone ord op \<le> (\<lambda>_. c)"
+lemma monotone_const [simp, cont_intro]: "monotone ord (\<le>) (\<lambda>_. c)"
 by(rule monotoneI) simp
 
 end
@@ -517,21 +517,21 @@
 
 context ccpo begin
 
-lemma cont_const [simp, cont_intro]: "cont luba orda Sup op \<le> (\<lambda>x. c)"
+lemma cont_const [simp, cont_intro]: "cont luba orda Sup (\<le>) (\<lambda>x. c)"
 by (rule contI) (simp add: image_constant_conv cong del: strong_SUP_cong)
 
 lemma mcont_const [cont_intro, simp]:
-  "mcont luba orda Sup op \<le> (\<lambda>x. c)"
+  "mcont luba orda Sup (\<le>) (\<lambda>x. c)"
 by(simp add: mcont_def)
 
 lemma cont_apply:
-  assumes 2: "\<And>x. cont lubb ordb Sup op \<le> (\<lambda>y. f x y)"
+  assumes 2: "\<And>x. cont lubb ordb Sup (\<le>) (\<lambda>y. f x y)"
   and t: "cont luba orda lubb ordb (\<lambda>x. t x)"
-  and 1: "\<And>y. cont luba orda Sup op \<le> (\<lambda>x. f x y)"
+  and 1: "\<And>y. cont luba orda Sup (\<le>) (\<lambda>x. f x y)"
   and mono: "monotone orda ordb (\<lambda>x. t x)"
-  and mono2: "\<And>x. monotone ordb op \<le> (\<lambda>y. f x y)"
-  and mono1: "\<And>y. monotone orda op \<le> (\<lambda>x. f x y)"
-  shows "cont luba orda Sup op \<le> (\<lambda>x. f x (t x))"
+  and mono2: "\<And>x. monotone ordb (\<le>) (\<lambda>y. f x y)"
+  and mono1: "\<And>y. monotone orda (\<le>) (\<lambda>x. f x y)"
+  shows "cont luba orda Sup (\<le>) (\<lambda>x. f x (t x))"
 proof
   fix Y
   assume chain: "Complete_Partial_Order.chain orda Y" and "Y \<noteq> {}"
@@ -543,15 +543,15 @@
 qed
 
 lemma mcont2mcont':
-  "\<lbrakk> \<And>x. mcont lub' ord' Sup op \<le> (\<lambda>y. f x y);
-     \<And>y. mcont lub ord Sup op \<le> (\<lambda>x. f x y);
+  "\<lbrakk> \<And>x. mcont lub' ord' Sup (\<le>) (\<lambda>y. f x y);
+     \<And>y. mcont lub ord Sup (\<le>) (\<lambda>x. f x y);
      mcont lub ord lub' ord' (\<lambda>y. t y) \<rbrakk>
-  \<Longrightarrow> mcont lub ord Sup op \<le> (\<lambda>x. f x (t x))"
+  \<Longrightarrow> mcont lub ord Sup (\<le>) (\<lambda>x. f x (t x))"
 unfolding mcont_def by(blast intro: transp_le monotone2monotone cont_apply)
 
 lemma mcont2mcont:
-  "\<lbrakk>mcont lub' ord' Sup op \<le> (\<lambda>x. f x); mcont lub ord lub' ord' (\<lambda>x. t x)\<rbrakk> 
-  \<Longrightarrow> mcont lub ord Sup op \<le> (\<lambda>x. f (t x))"
+  "\<lbrakk>mcont lub' ord' Sup (\<le>) (\<lambda>x. f x); mcont lub ord lub' ord' (\<lambda>x. t x)\<rbrakk> 
+  \<Longrightarrow> mcont lub ord Sup (\<le>) (\<lambda>x. f (t x))"
 by(rule mcont2mcont'[OF _ mcont_const]) 
 
 context
@@ -560,12 +560,12 @@
 begin
 
 lemma cont_fun_lub_Sup:
-  assumes chainM: "Complete_Partial_Order.chain (fun_ord op \<le>) M"
-  and mcont [rule_format]: "\<forall>f\<in>M. mcont lub op \<sqsubseteq> Sup op \<le> f"
-  shows "cont lub op \<sqsubseteq> Sup op \<le> (fun_lub Sup M)"
+  assumes chainM: "Complete_Partial_Order.chain (fun_ord (\<le>)) M"
+  and mcont [rule_format]: "\<forall>f\<in>M. mcont lub (\<sqsubseteq>) Sup (\<le>) f"
+  shows "cont lub (\<sqsubseteq>) Sup (\<le>) (fun_lub Sup M)"
 proof(rule contI)
   fix Y
-  assume chain: "Complete_Partial_Order.chain op \<sqsubseteq> Y"
+  assume chain: "Complete_Partial_Order.chain (\<sqsubseteq>) Y"
     and Y: "Y \<noteq> {}"
   from swap_Sup[OF chain chainM mcont[THEN mcont_mono]]
   show "fun_lub Sup M (\<Or>Y) = \<Squnion>(fun_lub Sup M ` Y)"
@@ -573,29 +573,29 @@
 qed
 
 lemma mcont_fun_lub_Sup:
-  "\<lbrakk> Complete_Partial_Order.chain (fun_ord op \<le>) M;
-    \<forall>f\<in>M. mcont lub ord Sup op \<le> f \<rbrakk>
-  \<Longrightarrow> mcont lub op \<sqsubseteq> Sup op \<le> (fun_lub Sup M)"
+  "\<lbrakk> Complete_Partial_Order.chain (fun_ord (\<le>)) M;
+    \<forall>f\<in>M. mcont lub ord Sup (\<le>) f \<rbrakk>
+  \<Longrightarrow> mcont lub (\<sqsubseteq>) Sup (\<le>) (fun_lub Sup M)"
 by(simp add: mcont_def cont_fun_lub_Sup mono_lub)
 
 lemma iterates_mcont:
-  assumes f: "f \<in> ccpo.iterates (fun_lub Sup) (fun_ord op \<le>) F"
-  and mono: "\<And>f. mcont lub op \<sqsubseteq> Sup op \<le> f \<Longrightarrow> mcont lub op \<sqsubseteq> Sup op \<le> (F f)"
-  shows "mcont lub op \<sqsubseteq> Sup op \<le> f"
+  assumes f: "f \<in> ccpo.iterates (fun_lub Sup) (fun_ord (\<le>)) F"
+  and mono: "\<And>f. mcont lub (\<sqsubseteq>) Sup (\<le>) f \<Longrightarrow> mcont lub (\<sqsubseteq>) Sup (\<le>) (F f)"
+  shows "mcont lub (\<sqsubseteq>) Sup (\<le>) f"
 using f
 by(induction rule: ccpo.iterates.induct[OF ccpo_fun, consumes 1, case_names step Sup])(blast intro: mono mcont_fun_lub_Sup)+
 
 lemma fixp_preserves_mcont:
-  assumes mono: "\<And>x. monotone (fun_ord op \<le>) op \<le> (\<lambda>f. F f x)"
-  and mcont: "\<And>f. mcont lub op \<sqsubseteq> Sup op \<le> f \<Longrightarrow> mcont lub op \<sqsubseteq> Sup op \<le> (F f)"
-  shows "mcont lub op \<sqsubseteq> Sup op \<le> (ccpo.fixp (fun_lub Sup) (fun_ord op \<le>) F)"
+  assumes mono: "\<And>x. monotone (fun_ord (\<le>)) (\<le>) (\<lambda>f. F f x)"
+  and mcont: "\<And>f. mcont lub (\<sqsubseteq>) Sup (\<le>) f \<Longrightarrow> mcont lub (\<sqsubseteq>) Sup (\<le>) (F f)"
+  shows "mcont lub (\<sqsubseteq>) Sup (\<le>) (ccpo.fixp (fun_lub Sup) (fun_ord (\<le>)) F)"
   (is "mcont _ _ _ _ ?fixp")
 unfolding mcont_def
 proof(intro conjI monotoneI contI)
-  have mono: "monotone (fun_ord op \<le>) (fun_ord op \<le>) F"
+  have mono: "monotone (fun_ord (\<le>)) (fun_ord (\<le>)) F"
     by(rule monotoneI)(auto simp add: fun_ord_def intro: monotoneD[OF mono])
-  let ?iter = "ccpo.iterates (fun_lub Sup) (fun_ord op \<le>) F"
-  have chain: "\<And>x. Complete_Partial_Order.chain op \<le> ((\<lambda>f. f x) ` ?iter)"
+  let ?iter = "ccpo.iterates (fun_lub Sup) (fun_ord (\<le>)) F"
+  have chain: "\<And>x. Complete_Partial_Order.chain (\<le>) ((\<lambda>f. f x) ` ?iter)"
     by(rule chain_imageI[OF ccpo.chain_iterates[OF ccpo_fun mono]])(simp add: fun_ord_def)
 
   {
@@ -616,7 +616,7 @@
     qed
   next
     fix Y
-    assume chain: "Complete_Partial_Order.chain op \<sqsubseteq> Y"
+    assume chain: "Complete_Partial_Order.chain (\<sqsubseteq>) Y"
       and Y: "Y \<noteq> {}"
     { fix f
       assume "f \<in> ?iter"
@@ -634,19 +634,19 @@
 
 context
   fixes F :: "'c \<Rightarrow> 'c" and U :: "'c \<Rightarrow> 'b \<Rightarrow> 'a" and C :: "('b \<Rightarrow> 'a) \<Rightarrow> 'c" and f
-  assumes mono: "\<And>x. monotone (fun_ord op \<le>) op \<le> (\<lambda>f. U (F (C f)) x)"
-  and eq: "f \<equiv> C (ccpo.fixp (fun_lub Sup) (fun_ord op \<le>) (\<lambda>f. U (F (C f))))"
+  assumes mono: "\<And>x. monotone (fun_ord (\<le>)) (\<le>) (\<lambda>f. U (F (C f)) x)"
+  and eq: "f \<equiv> C (ccpo.fixp (fun_lub Sup) (fun_ord (\<le>)) (\<lambda>f. U (F (C f))))"
   and inverse: "\<And>f. U (C f) = f"
 begin
 
 lemma fixp_preserves_mono_uc:
-  assumes mono2: "\<And>f. monotone ord op \<le> (U f) \<Longrightarrow> monotone ord op \<le> (U (F f))"
-  shows "monotone ord op \<le> (U f)"
+  assumes mono2: "\<And>f. monotone ord (\<le>) (U f) \<Longrightarrow> monotone ord (\<le>) (U (F f))"
+  shows "monotone ord (\<le>) (U f)"
 using fixp_preserves_mono[OF mono mono2] by(subst eq)(simp add: inverse)
 
 lemma fixp_preserves_mcont_uc:
-  assumes mcont: "\<And>f. mcont lubb ordb Sup op \<le> (U f) \<Longrightarrow> mcont lubb ordb Sup op \<le> (U (F f))"
-  shows "mcont lubb ordb Sup op \<le> (U f)"
+  assumes mcont: "\<And>f. mcont lubb ordb Sup (\<le>) (U f) \<Longrightarrow> mcont lubb ordb Sup (\<le>) (U (F f))"
+  shows "mcont lubb ordb Sup (\<le>) (U f)"
 using fixp_preserves_mcont[OF mono mcont] by(subst eq)(simp add: inverse)
 
 end
@@ -673,22 +673,22 @@
   fixes bot
   assumes mono: "\<And>x y. \<lbrakk> x \<le> y; \<not> (x \<le> bound) \<rbrakk> \<Longrightarrow> ord (f x) (f y)"
   and bot: "\<And>x. \<not> x \<le> bound \<Longrightarrow> ord bot (f x)" "ord bot bot"
-  shows "monotone op \<le> ord (\<lambda>x. if x \<le> bound then bot else f x)"
+  shows "monotone (\<le>) ord (\<lambda>x. if x \<le> bound then bot else f x)"
 by(rule monotoneI)(auto intro: bot intro: mono order_trans)
 
 lemma (in ccpo) mcont_if_bot:
   fixes bot and lub ("\<Or>_" [900] 900) and ord (infix "\<sqsubseteq>" 60)
-  assumes ccpo: "class.ccpo lub op \<sqsubseteq> lt"
+  assumes ccpo: "class.ccpo lub (\<sqsubseteq>) lt"
   and mono: "\<And>x y. \<lbrakk> x \<le> y; \<not> x \<le> bound \<rbrakk> \<Longrightarrow> f x \<sqsubseteq> f y"
-  and cont: "\<And>Y. \<lbrakk> Complete_Partial_Order.chain op \<le> Y; Y \<noteq> {}; \<And>x. x \<in> Y \<Longrightarrow> \<not> x \<le> bound \<rbrakk> \<Longrightarrow> f (\<Squnion>Y) = \<Or>(f ` Y)"
+  and cont: "\<And>Y. \<lbrakk> Complete_Partial_Order.chain (\<le>) Y; Y \<noteq> {}; \<And>x. x \<in> Y \<Longrightarrow> \<not> x \<le> bound \<rbrakk> \<Longrightarrow> f (\<Squnion>Y) = \<Or>(f ` Y)"
   and bot: "\<And>x. \<not> x \<le> bound \<Longrightarrow> bot \<sqsubseteq> f x"
-  shows "mcont Sup op \<le> lub op \<sqsubseteq> (\<lambda>x. if x \<le> bound then bot else f x)" (is "mcont _ _ _ _ ?g")
+  shows "mcont Sup (\<le>) lub (\<sqsubseteq>) (\<lambda>x. if x \<le> bound then bot else f x)" (is "mcont _ _ _ _ ?g")
 proof(intro mcontI contI)
-  interpret c: ccpo lub "op \<sqsubseteq>" lt by(fact ccpo)
-  show "monotone op \<le> op \<sqsubseteq> ?g" by(rule monotone_if_bot)(simp_all add: mono bot)
+  interpret c: ccpo lub "(\<sqsubseteq>)" lt by(fact ccpo)
+  show "monotone (\<le>) (\<sqsubseteq>) ?g" by(rule monotone_if_bot)(simp_all add: mono bot)
 
   fix Y
-  assume chain: "Complete_Partial_Order.chain op \<le> Y" and Y: "Y \<noteq> {}"
+  assume chain: "Complete_Partial_Order.chain (\<le>) Y" and Y: "Y \<noteq> {}"
   show "?g (\<Squnion>Y) = \<Or>(?g ` Y)"
   proof(cases "Y \<subseteq> {x. x \<le> bound}")
     case True
@@ -699,7 +699,7 @@
   next
     case False
     let ?Y = "Y \<inter> {x. \<not> x \<le> bound}"
-    have chain': "Complete_Partial_Order.chain op \<le> ?Y"
+    have chain': "Complete_Partial_Order.chain (\<le>) ?Y"
       using chain by(rule chain_subset) simp
 
     from False obtain y where ybound: "\<not> y \<le> bound" and y: "y \<in> Y" by blast
@@ -726,9 +726,9 @@
       thus ?thesis by(rule arg_cong)
     next
       case False
-      have chain'': "Complete_Partial_Order.chain op \<sqsubseteq> (insert bot (f ` ?Y))"
+      have chain'': "Complete_Partial_Order.chain (\<sqsubseteq>) (insert bot (f ` ?Y))"
         using chain by(auto intro!: chainI bot dest: chainD intro: mono)
-      hence chain''': "Complete_Partial_Order.chain op \<sqsubseteq> (f ` ?Y)" by(rule chain_subset) blast
+      hence chain''': "Complete_Partial_Order.chain (\<sqsubseteq>) (f ` ?Y)" by(rule chain_subset) blast
       have "bot \<sqsubseteq> \<Or>(f ` ?Y)" using y ybound by(blast intro: c.order_trans[OF bot] c.ccpo_Sup_upper[OF chain'''])
       hence "\<Or>(insert bot (f ` ?Y)) \<sqsubseteq> \<Or>(f ` ?Y)" using chain''
         by(auto intro: c.ccpo_Sup_least c.ccpo_Sup_upper[OF chain''']) 
@@ -822,7 +822,7 @@
 by(rule ccpo.admissibleI)(auto dest: ccpo.admissibleD)
 
 lemma admissible_not_mem' [THEN admissible_subst, cont_intro, simp]:
-  shows admissible_not_mem: "ccpo.admissible Union op \<subseteq> (\<lambda>A. x \<notin> A)"
+  shows admissible_not_mem: "ccpo.admissible Union (\<subseteq>) (\<lambda>A. x \<notin> A)"
 by(rule ccpo.admissibleI) auto
 
 lemma admissible_eqI:
@@ -847,8 +847,8 @@
 context ccpo begin
 
 lemma admissible_leI:
-  assumes f: "mcont luba orda Sup op \<le> (\<lambda>x. f x)"
-  and g: "mcont luba orda Sup op \<le> (\<lambda>x. g x)"
+  assumes f: "mcont luba orda Sup (\<le>) (\<lambda>x. f x)"
+  and g: "mcont luba orda Sup (\<le>) (\<lambda>x. g x)"
   shows "ccpo.admissible luba orda (\<lambda>x. f x \<le> g x)"
 proof(rule ccpo.admissibleI)
   fix A
@@ -858,14 +858,14 @@
   have "f (luba A) = \<Squnion>(f ` A)" by(simp add: mcont_contD[OF f] chain False)
   also have "\<dots> \<le> \<Squnion>(g ` A)"
   proof(rule ccpo_Sup_least)
-    from chain show "Complete_Partial_Order.chain op \<le> (f ` A)"
+    from chain show "Complete_Partial_Order.chain (\<le>) (f ` A)"
       by(rule chain_imageI)(rule mcont_monoD[OF f])
     
     fix x
     assume "x \<in> f ` A"
     then obtain y where "y \<in> A" "x = f y" by blast note this(2)
     also have "f y \<le> g y" using le \<open>y \<in> A\<close> by simp
-    also have "Complete_Partial_Order.chain op \<le> (g ` A)"
+    also have "Complete_Partial_Order.chain (\<le>) (g ` A)"
       using chain by(rule chain_imageI)(rule mcont_monoD[OF g])
     hence "g y \<le> \<Squnion>(g ` A)" by(rule ccpo_Sup_upper)(simp add: \<open>y \<in> A\<close>)
     finally show "x \<le> \<dots>" .
@@ -878,9 +878,9 @@
 
 lemma admissible_leI:
   fixes ord (infix "\<sqsubseteq>" 60) and lub ("\<Or>_" [900] 900)
-  assumes "class.ccpo lub op \<sqsubseteq> (mk_less op \<sqsubseteq>)"
-  and "mcont luba orda lub op \<sqsubseteq> (\<lambda>x. f x)"
-  and "mcont luba orda lub op \<sqsubseteq> (\<lambda>x. g x)"
+  assumes "class.ccpo lub (\<sqsubseteq>) (mk_less (\<sqsubseteq>))"
+  and "mcont luba orda lub (\<sqsubseteq>) (\<lambda>x. f x)"
+  and "mcont luba orda lub (\<sqsubseteq>) (\<lambda>x. g x)"
   shows "ccpo.admissible luba orda (\<lambda>x. f x \<sqsubseteq> g x)"
 using assms by(rule ccpo.admissible_leI)
 
@@ -888,12 +888,12 @@
 
 context ccpo begin
 
-lemma admissible_not_below: "ccpo.admissible Sup op \<le> (\<lambda>x. \<not> op \<le> x y)"
+lemma admissible_not_below: "ccpo.admissible Sup (\<le>) (\<lambda>x. \<not> (\<le>) x y)"
 by(rule ccpo.admissibleI)(simp add: ccpo_Sup_below_iff)
 
 end
 
-lemma (in preorder) preorder [cont_intro, simp]: "class.preorder op \<le> (mk_less op \<le>)"
+lemma (in preorder) preorder [cont_intro, simp]: "class.preorder (\<le>) (mk_less (\<le>))"
 by(unfold_locales)(auto simp add: mk_less_def intro: order_trans)
 
 context partial_function_definitions begin
@@ -918,20 +918,20 @@
 context ccpo begin
 
 lemma compactI:
-  assumes "ccpo.admissible Sup op \<le> (\<lambda>y. \<not> x \<le> y)"
-  shows "ccpo.compact Sup op \<le> x"
+  assumes "ccpo.admissible Sup (\<le>) (\<lambda>y. \<not> x \<le> y)"
+  shows "ccpo.compact Sup (\<le>) x"
 using assms
 proof(rule ccpo.compact.intros)
   have neq: "(\<lambda>y. x \<noteq> y) = (\<lambda>y. \<not> x \<le> y \<or> \<not> y \<le> x)" by(auto)
-  show "ccpo.admissible Sup op \<le> (\<lambda>y. x \<noteq> y)"
+  show "ccpo.admissible Sup (\<le>) (\<lambda>y. x \<noteq> y)"
     by(subst neq)(rule admissible_disj admissible_not_below assms)+
 qed
 
 lemma compact_bot:
   assumes "x = Sup {}"
-  shows "ccpo.compact Sup op \<le> x"
+  shows "ccpo.compact Sup (\<le>) x"
 proof(rule compactI)
-  show "ccpo.admissible Sup op \<le> (\<lambda>y. \<not> x \<le> y)" using assms
+  show "ccpo.admissible Sup (\<le>) (\<lambda>y. \<not> x \<le> y)" using assms
     by(auto intro!: ccpo.admissibleI intro: ccpo_Sup_least chain_empty)
 qed
 
@@ -954,14 +954,14 @@
 context ccpo begin
 
 lemma fixp_strong_induct:
-  assumes [cont_intro]: "ccpo.admissible Sup op \<le> P"
-  and mono: "monotone op \<le> op \<le> f"
+  assumes [cont_intro]: "ccpo.admissible Sup (\<le>) P"
+  and mono: "monotone (\<le>) (\<le>) f"
   and bot: "P (\<Squnion>{})"
   and step: "\<And>x. \<lbrakk> x \<le> ccpo_class.fixp f; P x \<rbrakk> \<Longrightarrow> P (f x)"
   shows "P (ccpo_class.fixp f)"
 proof(rule fixp_induct[where P="\<lambda>x. x \<le> ccpo_class.fixp f \<and> P x", THEN conjunct2])
   note [cont_intro] = admissible_leI
-  show "ccpo.admissible Sup op \<le> (\<lambda>x. x \<le> ccpo_class.fixp f \<and> P x)" by simp
+  show "ccpo.admissible Sup (\<le>) (\<lambda>x. x \<le> ccpo_class.fixp f \<and> P x)" by simp
 next
   show "\<Squnion>{} \<le> ccpo_class.fixp f \<and> P (\<Squnion>{})"
     by(auto simp add: bot intro: ccpo_Sup_least chain_empty)
@@ -997,7 +997,7 @@
 
 end
 
-subsection \<open>@{term "op ="} as order\<close>
+subsection \<open>@{term "(=)"} as order\<close>
 
 definition lub_singleton :: "('a set \<Rightarrow> 'a) \<Rightarrow> bool"
 where "lub_singleton lub \<longleftrightarrow> (\<forall>a. lub {a} = a)"
@@ -1015,12 +1015,12 @@
 by(rule ccpo.lub_singleton)(rule Partial_Function.ccpo[OF partial_function_definitions_axioms])
 
 lemma preorder_eq [cont_intro, simp]:
-  "class.preorder op = (mk_less op =)"
+  "class.preorder (=) (mk_less (=))"
 by(unfold_locales)(simp_all add: mk_less_def)
 
 lemma monotone_eqI [cont_intro]:
   assumes "class.preorder ord (mk_less ord)"
-  shows "monotone op = ord f"
+  shows "monotone (=) ord f"
 proof -
   interpret preorder ord "mk_less ord" by fact
   show ?thesis by(simp add: monotone_def)
@@ -1029,10 +1029,10 @@
 lemma cont_eqI [cont_intro]: 
   fixes f :: "'a \<Rightarrow> 'b"
   assumes "lub_singleton lub"
-  shows "cont the_Sup op = lub ord f"
+  shows "cont the_Sup (=) lub ord f"
 proof(rule contI)
   fix Y :: "'a set"
-  assume "Complete_Partial_Order.chain op = Y" "Y \<noteq> {}"
+  assume "Complete_Partial_Order.chain (=) Y" "Y \<noteq> {}"
   then obtain a where "Y = {a}" by(auto simp add: chain_def)
   thus "f (the_Sup Y) = lub (f ` Y)" using assms
     by(simp add: the_Sup_def lub_singleton_def)
@@ -1040,7 +1040,7 @@
 
 lemma mcont_eqI [cont_intro, simp]:
   "\<lbrakk> class.preorder ord (mk_less ord); lub_singleton lub \<rbrakk>
-  \<Longrightarrow> mcont the_Sup op = lub ord f"
+  \<Longrightarrow> mcont the_Sup (=) lub ord f"
 by(simp add: mcont_def cont_eqI monotone_eqI)
 
 subsection \<open>ccpo for products\<close>
@@ -1242,12 +1242,12 @@
 context ccpo begin
 
 lemma cont_prodI: 
-  assumes mono: "monotone (rel_prod orda ordb) op \<le> f"
-  and cont1: "\<And>x. cont lubb ordb Sup op \<le> (\<lambda>y. f (x, y))"
-  and cont2: "\<And>y. cont luba orda Sup op \<le> (\<lambda>x. f (x, y))"
+  assumes mono: "monotone (rel_prod orda ordb) (\<le>) f"
+  and cont1: "\<And>x. cont lubb ordb Sup (\<le>) (\<lambda>y. f (x, y))"
+  and cont2: "\<And>y. cont luba orda Sup (\<le>) (\<lambda>x. f (x, y))"
   and "class.preorder orda (mk_less orda)"
   and "class.preorder ordb (mk_less ordb)"
-  shows "cont (prod_lub luba lubb) (rel_prod orda ordb) Sup op \<le> f"
+  shows "cont (prod_lub luba lubb) (rel_prod orda ordb) Sup (\<le>) f"
 proof(rule contI)
   interpret a: preorder orda "mk_less orda" by fact 
   interpret b: preorder ordb "mk_less ordb" by fact
@@ -1271,20 +1271,20 @@
 qed
 
 lemma cont_case_prodI:
-  assumes "monotone (rel_prod orda ordb) op \<le> (case_prod f)"
-  and "\<And>x. cont lubb ordb Sup op \<le> (\<lambda>y. f x y)"
-  and "\<And>y. cont luba orda Sup op \<le> (\<lambda>x. f x y)"
+  assumes "monotone (rel_prod orda ordb) (\<le>) (case_prod f)"
+  and "\<And>x. cont lubb ordb Sup (\<le>) (\<lambda>y. f x y)"
+  and "\<And>y. cont luba orda Sup (\<le>) (\<lambda>x. f x y)"
   and "class.preorder orda (mk_less orda)"
   and "class.preorder ordb (mk_less ordb)"
-  shows "cont (prod_lub luba lubb) (rel_prod orda ordb) Sup op \<le> (case_prod f)"
+  shows "cont (prod_lub luba lubb) (rel_prod orda ordb) Sup (\<le>) (case_prod f)"
 by(rule cont_prodI)(simp_all add: assms)
 
 lemma cont_case_prod_iff:
-  "\<lbrakk> monotone (rel_prod orda ordb) op \<le> (case_prod f);
+  "\<lbrakk> monotone (rel_prod orda ordb) (\<le>) (case_prod f);
      class.preorder orda (mk_less orda); lub_singleton luba;
      class.preorder ordb (mk_less ordb); lub_singleton lubb \<rbrakk>
-  \<Longrightarrow> cont (prod_lub luba lubb) (rel_prod orda ordb) Sup op \<le> (case_prod f) \<longleftrightarrow>