NEWS
author wenzelm
Wed, 12 Aug 2009 00:26:01 +0200
changeset 32365 9b74d0339c44
parent 32326 9d70ecf11b7a
child 32388 b23a4326b9bb
permissions -rw-r--r--
added PARALLEL_CHOICE, PARALLEL_GOALS;
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Isabelle NEWS -- history user-relevant changes
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==============================================
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ed941505cab7 Isabelle NEWS -- history of user-visible changes;
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New in this Isabelle version
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----------------------------
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*** General ***
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* Discontinued old form of "escaped symbols" such as \\<forall>.  Only
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one backslash should be used, even in ML sources.
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*** Pure ***
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* On instantiation of classes, remaining undefined class parameters
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are formally declared.  INCOMPATIBILITY.
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a6e26a248f03 formal declaration of undefined parameters after class instantiation
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*** HOL ***
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* New proof method "sos" (sum of squares) for nonlinear real arithmetic
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(originally due to John Harison). It requires Library/Sum_Of_Squares.
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It is not a complete decision procedure but works well in practice
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on quantifier-free real arithmetic with +, -, *, ^, =, <= and <,
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i.e. boolean combinations of equalities and inequalities between
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polynomials. It makes use of external semidefinite programming solvers.
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For more information and examples see Library/Sum_Of_Squares.
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0be31453f698 Set.UNIV and Set.empty are mere abbreviations for top and bot
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* Set.UNIV and Set.empty are mere abbreviations for top and bot.  INCOMPATIBILITY.
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* More convenient names for set intersection and union.  INCOMPATIBILITY:
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    Set.Int ~>  Set.inter
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    Set.Un ~>   Set.union
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31997
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* Code generator attributes follow the usual underscore convention:
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    code_unfold     replaces    code unfold
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    code_post       replaces    code post
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    etc.
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  INCOMPATIBILITY.
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* New quickcheck implementation using new code generator.
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* New class "boolean_algebra".
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* Refinements to lattices classes:
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  - added boolean_algebra type class
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  - less default intro/elim rules in locale variant, more default
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    intro/elim rules in class variant: more uniformity
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  - lemma ge_sup_conv renamed to le_sup_iff, in accordance with le_inf_iff
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  - dropped lemma alias inf_ACI for inf_aci (same for sup_ACI and sup_aci)
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  - renamed ACI to inf_sup_aci
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  - class "complete_lattice" moved to separate theory "complete_lattice";
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    corresponding constants renamed:
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    Set.Inf ~>      Complete_Lattice.Inf
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    Set.Sup ~>      Complete_Lattice.Sup
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    Set.INFI ~>     Complete_Lattice.INFI
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    Set.SUPR ~>     Complete_Lattice.SUPR
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    Set.Inter ~>    Complete_Lattice.Inter
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    Set.Union ~>    Complete_Lattice.Union
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    Set.INTER ~>    Complete_Lattice.INTER
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    Set.UNION ~>    Complete_Lattice.UNION
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  INCOMPATIBILITY.
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* Class semiring_div requires superclass no_zero_divisors and proof of
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div_mult_mult1; theorems div_mult_mult1, div_mult_mult2,
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div_mult_mult1_if, div_mult_mult1 and div_mult_mult2 have been
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generalized to class semiring_div, subsuming former theorems
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zdiv_zmult_zmult1, zdiv_zmult_zmult1_if, zdiv_zmult_zmult1 and
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zdiv_zmult_zmult2.  div_mult_mult1 is now [simp] by default.
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INCOMPATIBILITY.
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* Power operations on relations and functions are now one dedicate
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constant compow with infix syntax "^^".  Power operations on
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multiplicative monoids retains syntax "^" and is now defined generic
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in class power.  INCOMPATIBILITY.
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* Relation composition "R O S" now has a "more standard" argument order,
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i.e., "R O S = {(x,z). EX y. (x,y) : R & (y,z) : S }".
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INCOMPATIBILITY: Rewrite propositions with "S O R" --> "R O S". Proofs
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may occationally break, since the O_assoc rule was not rewritten like this.
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Fix using O_assoc[symmetric].
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The same applies to the curried version "R OO S".
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* GCD now has functions Gcd/GCD and Lcm/LCM for the gcd and lcm of finite and
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infinite sets. It is shown that they form a complete lattice.
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* ML antiquotation @{code_datatype} inserts definition of a datatype
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generated by the code generator; see Predicate.thy for an example.
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* New method "linarith" invokes existing linear arithmetic decision
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procedure only.
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* Implementation of quickcheck using generic code generator; default
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generators are provided for all suitable HOL types, records and
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datatypes.
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* Constants Set.Pow and Set.image now with authentic syntax;
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object-logic definitions Set.Pow_def and Set.image_def.
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INCOMPATIBILITY.
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* Renamed theorems:
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Suc_eq_add_numeral_1 -> Suc_eq_plus1
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Suc_eq_add_numeral_1_left -> Suc_eq_plus1_left
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Suc_plus1 -> Suc_eq_plus1
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* New sledgehammer option "Full Types" in Proof General settings menu.
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Causes full type information to be output to the ATPs.  This slows
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ATPs down considerably but eliminates a source of unsound "proofs"
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that fail later.
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* Discontinued ancient tradition to suffix certain ML module names
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with "_package", e.g.:
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    DatatypePackage ~> Datatype
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    InductivePackage ~> Inductive
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    etc.
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INCOMPATIBILITY.
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* NewNumberTheory: Jeremy Avigad's new version of part of
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NumberTheory.  If possible, use NewNumberTheory, not NumberTheory.
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* Simplified interfaces of datatype module.  INCOMPATIBILITY.
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* Abbreviation "arbitrary" of "undefined" has disappeared; use
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"undefined" directly.  INCOMPATIBILITY.
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* New evaluator "approximate" approximates an real valued term using
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the same method as the approximation method.
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* Method "approximate" supports now arithmetic expressions as
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boundaries of intervals and implements interval splitting and Taylor
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series expansion.
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* Changed DERIV_intros to a dynamic fact (via Named_Thms).  Each of
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the theorems in DERIV_intros assumes composition with an additional
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function and matches a variable to the derivative, which has to be
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solved by the simplifier.  Hence (auto intro!: DERIV_intros) computes
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the derivative of most elementary terms.
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* Maclauren.DERIV_tac and Maclauren.deriv_tac was removed, they are
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replaced by: (auto intro!: DERIV_intros).  INCOMPATIBILITY.
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31812
73dc3a98669c NEWS updated
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*** ML ***
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* PARALLEL_CHOICE and PARALLEL_GOALS provide basic support for
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parallel tactical reasoning.
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* Tactical FOCUS is similar to SUBPROOF, but allows the body tactic to
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introduce new subgoals and schematic variables.  FOCUS_PARAMS is
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similar, but focuses on the parameter prefix only, leaving subgoal
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premises unchanged.
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* Renamed functor TableFun to Table, and GraphFun to Graph.  (Since
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functors have their own ML name space there is no point to mark them
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separately.)  Minor INCOMPATIBILITY.
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* Renamed NamedThmsFun to Named_Thms.  INCOMPATIBILITY.
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* Eliminated old Attrib.add_attributes, Method.add_methods and related
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cominators for "args".  INCOMPATIBILITY, need to use simplified
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Attrib/Method.setup introduced in Isabelle2009.
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* Proper context for simpset_of, claset_of, clasimpset_of.  May fall
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back on global_simpset_of, global_claset_of, global_clasimpset_of as
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last resort.  INCOMPATIBILITY.
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* Display.pretty_thm now requires a proper context (cf. former
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ProofContext.pretty_thm).  May fall back on Display.pretty_thm_global
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or even Display.pretty_thm_without_context as last resort.
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INCOMPATIBILITY.
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*** System ***
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32326
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* Support for additional "Isabelle components" via etc/components, see
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also the system manual.
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9d70ecf11b7a etc/components;
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* The isabelle makeall tool now operates on all components with
9d70ecf11b7a etc/components;
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IsaMakefile, not just hardwired "logics".
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* Discontinued support for Poly/ML 4.x versions.
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* Removed "compress" option from isabelle-process and isabelle usedir;
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this is always enabled.
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* More fine-grained control of proof parallelism, cf.
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Goal.parallel_proofs in ML and usedir option -q LEVEL.
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31308
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31304
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New in Isabelle2009 (April 2009)
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--------------------------------
27104
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*** General ***
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* Simplified main Isabelle executables, with less surprises on
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case-insensitive file-systems (such as Mac OS).
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7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
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  - The main Isabelle tool wrapper is now called "isabelle" instead of
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    "isatool."
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7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
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  - The former "isabelle" alias for "isabelle-process" has been
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    removed (should rarely occur to regular users).
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  - The former "isabelle-interface" and its alias "Isabelle" have been
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
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    removed (interfaces are now regular Isabelle tools).
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7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
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Within scripts and make files, the Isabelle environment variables
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ISABELLE_TOOL and ISABELLE_PROCESS replace old ISATOOL and ISABELLE,
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respectively.  (The latter are still available as legacy feature.)
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28915
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The old isabelle-interface wrapper could react in confusing ways if
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
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the interface was uninstalled or changed otherwise.  Individual
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
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interface tool configuration is now more explicit, see also the
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
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Isabelle system manual.  In particular, Proof General is now available
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
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via "isabelle emacs".
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7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
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INCOMPATIBILITY, need to adapt derivative scripts.  Users may need to
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purge installed copies of Isabelle executables and re-run "isabelle
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install -p ...", or use symlinks.
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28914
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* The default for ISABELLE_HOME_USER is now ~/.isabelle instead of the
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old ~/isabelle, which was slightly non-standard and apt to cause
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surprises on case-insensitive file-systems (such as Mac OS).
28914
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f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
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INCOMPATIBILITY, need to move existing ~/isabelle/etc,
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
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~/isabelle/heaps, ~/isabelle/browser_info to the new place.  Special
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
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care is required when using older releases of Isabelle.  Note that
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
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ISABELLE_HOME_USER can be changed in Isabelle/etc/settings of any
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Isabelle distribution, in order to use the new ~/.isabelle uniformly.
28914
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29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
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* Proofs of fully specified statements are run in parallel on
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multi-core systems.  A speedup factor of 2.5 to 3.2 can be expected on
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   240
a regular 4-core machine, if the initial heap space is made reasonably
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large (cf. Poly/ML option -H).  (Requires Poly/ML 5.2.1 or later.)
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* The main reference manuals ("isar-ref", "implementation", and
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   244
"system") have been updated and extended.  Formally checked references
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
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   245
as hyperlinks are now available uniformly.
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30163
faf95eb3f375 * New prover for coherent logic (see src/Tools/coherent.ML).
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27599
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*** Pure ***
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   249
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* Complete re-implementation of locales.  INCOMPATIBILITY in several
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respects.  The most important changes are listed below.  See the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
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Tutorial on Locales ("locales" manual) for details.
29253
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   253
3c6cd80a4854 New locales.
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- In locale expressions, instantiation replaces renaming.  Parameters
3c6cd80a4854 New locales.
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must be declared in a for clause.  To aid compatibility with previous
3c6cd80a4854 New locales.
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   256
parameter inheritance, in locale declarations, parameters that are not
3c6cd80a4854 New locales.
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'touched' (instantiation position "_" or omitted) are implicitly added
3c6cd80a4854 New locales.
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with their syntax at the beginning of the for clause.
3c6cd80a4854 New locales.
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   259
3c6cd80a4854 New locales.
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- Syntax from abbreviations and definitions in locales is available in
3c6cd80a4854 New locales.
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locale expressions and context elements.  The latter is particularly
3c6cd80a4854 New locales.
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   262
useful in locale declarations.
3c6cd80a4854 New locales.
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3c6cd80a4854 New locales.
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   264
- More flexible mechanisms to qualify names generated by locale
3c6cd80a4854 New locales.
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expressions.  Qualifiers (prefixes) may be specified in locale
30728
f0aeca99b5d9 interpretation/interpret: prefixes are mandatory by default;
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   266
expressions, and can be marked as mandatory (syntax: "name!:") or
f0aeca99b5d9 interpretation/interpret: prefixes are mandatory by default;
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optional (syntax "name?:").  The default depends for plain "name:"
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depends on the situation where a locale expression is used: in
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commands 'locale' and 'sublocale' prefixes are optional, in
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'interpretation' and 'interpret' prefixes are mandatory.  The old
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implicit qualifiers derived from the parameter names of a locale are
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no longer generated.
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- Command "sublocale l < e" replaces "interpretation l < e".  The
30106
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instantiation clause in "interpretation" and "interpret" (square
351fc2f8493d tuned NEWS;
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brackets) is no longer available.  Use locale expressions.
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- When converting proof scripts, mandatory qualifiers in
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'interpretation' and 'interpret' should be retained by default, even
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if this is an INCOMPATIBILITY compared to former behavior.  In the
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worst case, use the "name?:" form for non-mandatory ones.  Qualifiers
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in locale expressions range over a single locale instance only.
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- Dropped locale element "includes".  This is a major INCOMPATIBILITY.
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In existing theorem specifications replace the includes element by the
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   286
respective context elements of the included locale, omitting those
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   287
that are already present in the theorem specification.  Multiple
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   288
assume elements of a locale should be replaced by a single one
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   289
involving the locale predicate.  In the proof body, declarations (most
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   290
notably theorems) may be regained by interpreting the respective
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   291
locales in the proof context as required (command "interpret").
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If using "includes" in replacement of a target solely because the
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parameter types in the theorem are not as general as in the target,
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   295
consider declaring a new locale with additional type constraints on
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   296
the parameters (context element "constrains").
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- Discontinued "locale (open)".  INCOMPATIBILITY.
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- Locale interpretation commands no longer attempt to simplify goal.
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INCOMPATIBILITY: in rare situations the generated goal differs.  Use
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methods intro_locales and unfold_locales to clarify.
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- Locale interpretation commands no longer accept interpretation
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attributes.  INCOMPATIBILITY.
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* Class declaration: so-called "base sort" must not be given in import
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list any longer, but is inferred from the specification.  Particularly
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   309
in HOL, write
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    class foo = ...
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instead of
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    class foo = type + ...
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   317
* Class target: global versions of theorems stemming do not carry a
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parameter prefix any longer.  INCOMPATIBILITY.
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   319
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   320
* Class 'instance' command no longer accepts attached definitions.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   321
INCOMPATIBILITY, use proper 'instantiation' target instead.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   322
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   323
* Recovered hiding of consts, which was accidentally broken in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   324
Isabelle2007.  Potential INCOMPATIBILITY, ``hide const c'' really
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   325
makes c inaccessible; consider using ``hide (open) const c'' instead.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   326
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   327
* Slightly more coherent Pure syntax, with updated documentation in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   328
isar-ref manual.  Removed locales meta_term_syntax and
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   329
meta_conjunction_syntax: TERM and &&& (formerly &&) are now permanent,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   330
INCOMPATIBILITY in rare situations.  Note that &&& should not be used
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   331
directly in regular applications.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   332
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   333
* There is a new syntactic category "float_const" for signed decimal
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   334
fractions (e.g. 123.45 or -123.45).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   335
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   336
* Removed exotic 'token_translation' command.  INCOMPATIBILITY, use ML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   337
interface with 'setup' command instead.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   338
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   339
* Command 'local_setup' is similar to 'setup', but operates on a local
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   340
theory context.
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   341
28114
2637fb838f74 axiomatization is now global-only;
wenzelm
parents: 28103
diff changeset
   342
* The 'axiomatization' command now only works within a global theory
2637fb838f74 axiomatization is now global-only;
wenzelm
parents: 28103
diff changeset
   343
context.  INCOMPATIBILITY.
2637fb838f74 axiomatization is now global-only;
wenzelm
parents: 28103
diff changeset
   344
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   345
* Goal-directed proof now enforces strict proof irrelevance wrt. sort
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   346
hypotheses.  Sorts required in the course of reasoning need to be
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   347
covered by the constraints in the initial statement, completed by the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   348
type instance information of the background theory.  Non-trivial sort
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   349
hypotheses, which rarely occur in practice, may be specified via
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   350
vacuous propositions of the form SORT_CONSTRAINT('a::c).  For example:
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   351
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   352
  lemma assumes "SORT_CONSTRAINT('a::empty)" shows False ...
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   353
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   354
The result contains an implicit sort hypotheses as before --
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   355
SORT_CONSTRAINT premises are eliminated as part of the canonical rule
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   356
normalization.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   357
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   358
* Generalized Isar history, with support for linear undo, direct state
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   359
addressing etc.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   360
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   361
* Changed defaults for unify configuration options:
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   362
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   363
  unify_trace_bound = 50 (formerly 25)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   364
  unify_search_bound = 60 (formerly 30)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   365
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   366
* Different bookkeeping for code equations (INCOMPATIBILITY):
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   367
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   368
  a) On theory merge, the last set of code equations for a particular
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   369
     constant is taken (in accordance with the policy applied by other
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   370
     parts of the code generator framework).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   371
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   372
  b) Code equations stemming from explicit declarations (e.g. code
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   373
     attribute) gain priority over default code equations stemming
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   374
     from definition, primrec, fun etc.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   375
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   376
* Keyword 'code_exception' now named 'code_abort'.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   377
30965
e0938d929bfd dropped duplication
haftmann
parents: 30964
diff changeset
   378
* Unified theorem tables for both code generators.  Thus [code
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   379
func] has disappeared and only [code] remains.  INCOMPATIBILITY.
30577
wenzelm
parents: 30562
diff changeset
   380
wenzelm
parents: 30562
diff changeset
   381
* Command 'find_consts' searches for constants based on type and name
wenzelm
parents: 30562
diff changeset
   382
patterns, e.g.
29883
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   383
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   384
    find_consts "_ => bool"
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   385
30106
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   386
By default, matching is against subtypes, but it may be restricted to
30728
f0aeca99b5d9 interpretation/interpret: prefixes are mandatory by default;
wenzelm
parents: 30706
diff changeset
   387
the whole type.  Searching by name is possible.  Multiple queries are
30106
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   388
conjunctive and queries may be negated by prefixing them with a
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   389
hyphen:
29883
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   390
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   391
    find_consts strict: "_ => bool" name: "Int" -"int => int"
29861
3c348f5873f3 updated NEWS etc with "solves" criterion and auto_solves
kleing
parents: 29823
diff changeset
   392
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   393
* New 'find_theorems' criterion "solves" matches theorems that
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   394
directly solve the current goal (modulo higher-order unification).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   395
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   396
* Auto solve feature for main theorem statements: whenever a new goal
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   397
is stated, "find_theorems solves" is called; any theorems that could
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   398
solve the lemma directly are listed as part of the goal state.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   399
Cf. associated options in Proof General Isabelle settings menu,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   400
enabled by default, with reasonable timeout for pathological cases of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   401
higher-order unification.
30415
9501af91c4a3 Instead of giving up entirely, arith now ignores all inequalities when there are too many.
webertj
parents: 30399
diff changeset
   402
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   403
27381
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   404
*** Document preparation ***
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   405
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   406
* Antiquotation @{lemma} now imitates a regular terminal proof,
27392
wenzelm
parents: 27391
diff changeset
   407
demanding keyword 'by' and supporting the full method expression
27519
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   408
syntax just like the Isar command 'by'.
27381
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   409
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   410
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   411
*** HOL ***
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   412
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   413
* Integrated main parts of former image HOL-Complex with HOL.  Entry
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   414
points Main and Complex_Main remain as before.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   415
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   416
* Logic image HOL-Plain provides a minimal HOL with the most important
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   417
tools available (inductive, datatype, primrec, ...).  This facilitates
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   418
experimentation and tool development.  Note that user applications
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   419
(and library theories) should never refer to anything below theory
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   420
Main, as before.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   421
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   422
* Logic image HOL-Main stops at theory Main, and thus facilitates
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   423
experimentation due to shorter build times.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   424
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   425
* Logic image HOL-NSA contains theories of nonstandard analysis which
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   426
were previously part of former HOL-Complex.  Entry point Hyperreal
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   427
remains valid, but theories formerly using Complex_Main should now use
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   428
new entry point Hypercomplex.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   429
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   430
* Generic ATP manager for Sledgehammer, based on ML threads instead of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   431
Posix processes.  Avoids potentially expensive forking of the ML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   432
process.  New thread-based implementation also works on non-Unix
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   433
platforms (Cygwin).  Provers are no longer hardwired, but defined
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   434
within the theory via plain ML wrapper functions.  Basic Sledgehammer
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   435
commands are covered in the isar-ref manual.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   436
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   437
* Wrapper scripts for remote SystemOnTPTP service allows to use
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   438
sledgehammer without local ATP installation (Vampire etc.). Other
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   439
provers may be included via suitable ML wrappers, see also
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   440
src/HOL/ATP_Linkup.thy.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   441
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   442
* ATP selection (E/Vampire/Spass) is now via Proof General's settings
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   443
menu.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   444
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   445
* The metis method no longer fails because the theorem is too trivial
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   446
(contains the empty clause).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   447
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   448
* The metis method now fails in the usual manner, rather than raising
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   449
an exception, if it determines that it cannot prove the theorem.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   450
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   451
* Method "coherent" implements a prover for coherent logic (see also
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   452
src/Tools/coherent.ML).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   453
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   454
* Constants "undefined" and "default" replace "arbitrary".  Usually
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   455
"undefined" is the right choice to replace "arbitrary", though
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   456
logically there is no difference.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   457
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   458
* Command "value" now integrates different evaluation mechanisms.  The
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   459
result of the first successful evaluation mechanism is printed.  In
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   460
square brackets a particular named evaluation mechanisms may be
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   461
specified (currently, [SML], [code] or [nbe]).  See further
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   462
src/HOL/ex/Eval_Examples.thy.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   463
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   464
* Normalization by evaluation now allows non-leftlinear equations.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   465
Declare with attribute [code nbe].
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   466
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   467
* Methods "case_tac" and "induct_tac" now refer to the very same rules
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   468
as the structured Isar versions "cases" and "induct", cf. the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   469
corresponding "cases" and "induct" attributes.  Mutual induction rules
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   470
are now presented as a list of individual projections
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   471
(e.g. foo_bar.inducts for types foo and bar); the old format with
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   472
explicit HOL conjunction is no longer supported.  INCOMPATIBILITY, in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   473
rare situations a different rule is selected --- notably nested tuple
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   474
elimination instead of former prod.exhaust: use explicit (case_tac t
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   475
rule: prod.exhaust) here.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   476
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   477
* Attributes "cases", "induct", "coinduct" support "del" option.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   478
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   479
* Removed fact "case_split_thm", which duplicates "case_split".
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   480
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   481
* The option datatype has been moved to a new theory Option.  Renamed
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   482
option_map to Option.map, and o2s to Option.set, INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   483
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   484
* New predicate "strict_mono" classifies strict functions on partial
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   485
orders.  With strict functions on linear orders, reasoning about
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   486
(in)equalities is facilitated by theorems "strict_mono_eq",
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   487
"strict_mono_less_eq" and "strict_mono_less".
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   488
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   489
* Some set operations are now proper qualified constants with
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   490
authentic syntax.  INCOMPATIBILITY:
30304
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   491
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   492
    op Int ~>   Set.Int
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   493
    op Un ~>    Set.Un
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   494
    INTER ~>    Set.INTER
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   495
    UNION ~>    Set.UNION
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   496
    Inter ~>    Set.Inter
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   497
    Union ~>    Set.Union
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   498
    {} ~>       Set.empty
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   499
    UNIV ~>     Set.UNIV
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   500
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   501
* Class complete_lattice with operations Inf, Sup, INFI, SUPR now in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   502
theory Set.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   503
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   504
* Auxiliary class "itself" has disappeared -- classes without any
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   505
parameter are treated as expected by the 'class' command.
29797
08ef36ed2f8a handling type classes without parameters
haftmann
parents: 29788
diff changeset
   506
29823
0ab754d13ccd session Reflecion renamed to Decision_Procs, moved Dense_Linear_Order there
haftmann
parents: 29810
diff changeset
   507
* Leibnitz's Series for Pi and the arcus tangens and logarithm series.
0ab754d13ccd session Reflecion renamed to Decision_Procs, moved Dense_Linear_Order there
haftmann
parents: 29810
diff changeset
   508
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   509
* Common decision procedures (Cooper, MIR, Ferrack, Approximation,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   510
Dense_Linear_Order) are now in directory HOL/Decision_Procs.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   511
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   512
* Theory src/HOL/Decision_Procs/Approximation provides the new proof
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   513
method "approximation".  It proves formulas on real values by using
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   514
interval arithmetic.  In the formulas are also the transcendental
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   515
functions sin, cos, tan, atan, ln, exp and the constant pi are
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   516
allowed. For examples see
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   517
src/HOL/Descision_Procs/ex/Approximation_Ex.thy.
29823
0ab754d13ccd session Reflecion renamed to Decision_Procs, moved Dense_Linear_Order there
haftmann
parents: 29810
diff changeset
   518
0ab754d13ccd session Reflecion renamed to Decision_Procs, moved Dense_Linear_Order there
haftmann
parents: 29810
diff changeset
   519
* Theory "Reflection" now resides in HOL/Library.
29650
cc3958d31b1d Reflection.thy now in HOL/Library
haftmann
parents: 29628
diff changeset
   520
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   521
* Entry point to Word library now simply named "Word".
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   522
INCOMPATIBILITY.
29628
d9294387ab0e entry point for Word library now named Word
haftmann
parents: 29616
diff changeset
   523
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   524
* Made source layout more coherent with logical distribution
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   525
structure:
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   526
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   527
    src/HOL/Library/RType.thy ~> src/HOL/Typerep.thy
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   528
    src/HOL/Library/Code_Message.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   529
    src/HOL/Library/GCD.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   530
    src/HOL/Library/Order_Relation.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   531
    src/HOL/Library/Parity.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   532
    src/HOL/Library/Univ_Poly.thy ~> src/HOL/
30176
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   533
    src/HOL/Real/ContNotDenum.thy ~> src/HOL/Library/
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   534
    src/HOL/Real/Lubs.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   535
    src/HOL/Real/PReal.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   536
    src/HOL/Real/Rational.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   537
    src/HOL/Real/RComplete.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   538
    src/HOL/Real/RealDef.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   539
    src/HOL/Real/RealPow.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   540
    src/HOL/Real/Real.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   541
    src/HOL/Complex/Complex_Main.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   542
    src/HOL/Complex/Complex.thy ~> src/HOL/
30176
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   543
    src/HOL/Complex/FrechetDeriv.thy ~> src/HOL/Library/
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   544
    src/HOL/Complex/Fundamental_Theorem_Algebra.thy ~> src/HOL/Library/
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   545
    src/HOL/Hyperreal/Deriv.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   546
    src/HOL/Hyperreal/Fact.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   547
    src/HOL/Hyperreal/Integration.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   548
    src/HOL/Hyperreal/Lim.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   549
    src/HOL/Hyperreal/Ln.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   550
    src/HOL/Hyperreal/Log.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   551
    src/HOL/Hyperreal/MacLaurin.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   552
    src/HOL/Hyperreal/NthRoot.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   553
    src/HOL/Hyperreal/Series.thy ~> src/HOL/
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   554
    src/HOL/Hyperreal/SEQ.thy ~> src/HOL/
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   555
    src/HOL/Hyperreal/Taylor.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   556
    src/HOL/Hyperreal/Transcendental.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   557
    src/HOL/Real/Float ~> src/HOL/Library/
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   558
    src/HOL/Real/HahnBanach ~> src/HOL/HahnBanach
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   559
    src/HOL/Real/RealVector.thy ~> src/HOL/
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   560
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   561
    src/HOL/arith_data.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   562
    src/HOL/hologic.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   563
    src/HOL/simpdata.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   564
    src/HOL/int_arith1.ML ~> src/HOL/Tools/int_arith.ML
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   565
    src/HOL/int_factor_simprocs.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   566
    src/HOL/nat_simprocs.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   567
    src/HOL/Real/float_arith.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   568
    src/HOL/Real/float_syntax.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   569
    src/HOL/Real/rat_arith.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   570
    src/HOL/Real/real_arith.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   571
29398
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   572
    src/HOL/Library/Array.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   573
    src/HOL/Library/Heap_Monad.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   574
    src/HOL/Library/Heap.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   575
    src/HOL/Library/Imperative_HOL.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   576
    src/HOL/Library/Ref.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   577
    src/HOL/Library/Relational.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   578
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   579
* If methods "eval" and "evaluation" encounter a structured proof
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   580
state with !!/==>, only the conclusion is evaluated to True (if
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   581
possible), avoiding strange error messages.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   582
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   583
* Method "sizechange" automates termination proofs using (a
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   584
modification of) the size-change principle.  Requires SAT solver.  See
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   585
src/HOL/ex/Termination.thy for examples.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   586
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   587
* Simplifier: simproc for let expressions now unfolds if bound
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   588
variable occurs at most once in let expression body.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   589
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   590
* Method "arith": Linear arithmetic now ignores all inequalities when
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   591
fast_arith_neq_limit is exceeded, instead of giving up entirely.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   592
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   593
* New attribute "arith" for facts that should always be used
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   594
automatically by arithmetic. It is intended to be used locally in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   595
proofs, e.g.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   596
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   597
  assumes [arith]: "x > 0"
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   598
30706
e20227b5e6a3 NEWS: [arith]
nipkow
parents: 30609
diff changeset
   599
Global usage is discouraged because of possible performance impact.
e20227b5e6a3 NEWS: [arith]
nipkow
parents: 30609
diff changeset
   600
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   601
* New classes "top" and "bot" with corresponding operations "top" and
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   602
"bot" in theory Orderings; instantiation of class "complete_lattice"
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   603
requires instantiation of classes "top" and "bot".  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   604
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   605
* Changed definition lemma "less_fun_def" in order to provide an
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   606
instance for preorders on functions; use lemma "less_le" instead.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   607
INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   608
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   609
* Theory Orderings: class "wellorder" moved here, with explicit
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   610
induction rule "less_induct" as assumption.  For instantiation of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   611
"wellorder" by means of predicate "wf", use rule wf_wellorderI.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   612
INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   613
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   614
* Theory Orderings: added class "preorder" as superclass of "order".
27793
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   615
INCOMPATIBILITY: Instantiation proofs for order, linorder
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   616
etc. slightly changed.  Some theorems named order_class.* now named
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   617
preorder_class.*.
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   618
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   619
* Theory Relation: renamed "refl" to "refl_on", "reflexive" to "refl,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   620
"diag" to "Id_on".
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   621
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   622
* Theory Finite_Set: added a new fold combinator of type
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   623
28855
5d21a3e7303c *** empty log message ***
nipkow
parents: 28741
diff changeset
   624
  ('a => 'b => 'b) => 'b => 'a set => 'b
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   625
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   626
Occasionally this is more convenient than the old fold combinator
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   627
which is now defined in terms of the new one and renamed to
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   628
fold_image.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   629
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   630
* Theories Ring_and_Field and OrderedGroup: The lemmas "group_simps"
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   631
and "ring_simps" have been replaced by "algebra_simps" (which can be
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   632
extended with further lemmas!).  At the moment both still exist but
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   633
the former will disappear at some point.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   634
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   635
* Theory Power: Lemma power_Suc is now declared as a simp rule in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   636
class recpower.  Type-specific simp rules for various recpower types
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   637
have been removed.  INCOMPATIBILITY, rename old lemmas as follows:
30273
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   638
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   639
rat_power_0    -> power_0
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   640
rat_power_Suc  -> power_Suc
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   641
realpow_0      -> power_0
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   642
realpow_Suc    -> power_Suc
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   643
complexpow_0   -> power_0
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   644
complexpow_Suc -> power_Suc
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   645
power_poly_0   -> power_0
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   646
power_poly_Suc -> power_Suc
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   647
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   648
* Theories Ring_and_Field and Divides: Definition of "op dvd" has been
27793
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   649
moved to separate class dvd in Ring_and_Field; a couple of lemmas on
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   650
dvd has been generalized to class comm_semiring_1.  Likewise a bunch
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   651
of lemmas from Divides has been generalized from nat to class
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   652
semiring_div.  INCOMPATIBILITY.  This involves the following theorem
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   653
renames resulting from duplicate elimination:
27651
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   654
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   655
    dvd_def_mod ~>          dvd_eq_mod_eq_0
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   656
    zero_dvd_iff ~>         dvd_0_left_iff
28559
55c003a5600a tuned default rules of (dvd)
haftmann
parents: 28522
diff changeset
   657
    dvd_0 ~>                dvd_0_right
27651
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   658
    DIVISION_BY_ZERO_DIV ~> div_by_0
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   659
    DIVISION_BY_ZERO_MOD ~> mod_by_0
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   660
    mult_div ~>             div_mult_self2_is_id
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   661
    mult_mod ~>             mod_mult_self2_is_0
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   662
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   663
* Theory IntDiv: removed many lemmas that are instances of class-based
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   664
generalizations (from Divides and Ring_and_Field).  INCOMPATIBILITY,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   665
rename old lemmas as follows:
30044
nipkow
parents: 29883
diff changeset
   666
nipkow
parents: 29883
diff changeset
   667
dvd_diff               -> nat_dvd_diff
nipkow
parents: 29883
diff changeset
   668
dvd_zminus_iff         -> dvd_minus_iff
30224
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   669
mod_add1_eq            -> mod_add_eq
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   670
mod_mult1_eq           -> mod_mult_right_eq
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   671
mod_mult1_eq'          -> mod_mult_left_eq
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   672
mod_mult_distrib_mod   -> mod_mult_eq
30044
nipkow
parents: 29883
diff changeset
   673
nat_mod_add_left_eq    -> mod_add_left_eq
nipkow
parents: 29883
diff changeset
   674
nat_mod_add_right_eq   -> mod_add_right_eq
nipkow
parents: 29883
diff changeset
   675
nat_mod_div_trivial    -> mod_div_trivial
nipkow
parents: 29883
diff changeset
   676
nat_mod_mod_trivial    -> mod_mod_trivial
nipkow
parents: 29883
diff changeset
   677
zdiv_zadd_self1        -> div_add_self1
nipkow
parents: 29883
diff changeset
   678
zdiv_zadd_self2        -> div_add_self2
30181
05629f28f0f7 removed redundant lemmas
nipkow
parents: 30176
diff changeset
   679
zdiv_zmult_self1       -> div_mult_self2_is_id
30044
nipkow
parents: 29883
diff changeset
   680
zdiv_zmult_self2       -> div_mult_self1_is_id
nipkow
parents: 29883
diff changeset
   681
zdvd_triv_left         -> dvd_triv_left
nipkow
parents: 29883
diff changeset
   682
zdvd_triv_right        -> dvd_triv_right
nipkow
parents: 29883
diff changeset
   683
zdvd_zmult_cancel_disj -> dvd_mult_cancel_left
30085
nipkow
parents: 30044
diff changeset
   684
zmod_eq0_zdvd_iff      -> dvd_eq_mod_eq_0[symmetric]
30044
nipkow
parents: 29883
diff changeset
   685
zmod_zadd_left_eq      -> mod_add_left_eq
nipkow
parents: 29883
diff changeset
   686
zmod_zadd_right_eq     -> mod_add_right_eq
nipkow
parents: 29883
diff changeset
   687
zmod_zadd_self1        -> mod_add_self1
nipkow
parents: 29883
diff changeset
   688
zmod_zadd_self2        -> mod_add_self2
30224
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   689
zmod_zadd1_eq          -> mod_add_eq
30044
nipkow
parents: 29883
diff changeset
   690
zmod_zdiff1_eq         -> mod_diff_eq
nipkow
parents: 29883
diff changeset
   691
zmod_zdvd_zmod         -> mod_mod_cancel
nipkow
parents: 29883
diff changeset
   692
zmod_zmod_cancel       -> mod_mod_cancel
nipkow
parents: 29883
diff changeset
   693
zmod_zmult_self1       -> mod_mult_self2_is_0
nipkow
parents: 29883
diff changeset
   694
zmod_zmult_self2       -> mod_mult_self1_is_0
nipkow
parents: 29883
diff changeset
   695
zmod_1                 -> mod_by_1
nipkow
parents: 29883
diff changeset
   696
zdiv_1                 -> div_by_1
nipkow
parents: 29883
diff changeset
   697
zdvd_abs1              -> abs_dvd_iff
nipkow
parents: 29883
diff changeset
   698
zdvd_abs2              -> dvd_abs_iff
nipkow
parents: 29883
diff changeset
   699
zdvd_refl              -> dvd_refl
nipkow
parents: 29883
diff changeset
   700
zdvd_trans             -> dvd_trans
nipkow
parents: 29883
diff changeset
   701
zdvd_zadd              -> dvd_add
nipkow
parents: 29883
diff changeset
   702
zdvd_zdiff             -> dvd_diff
nipkow
parents: 29883
diff changeset
   703
zdvd_zminus_iff        -> dvd_minus_iff
nipkow
parents: 29883
diff changeset
   704
zdvd_zminus2_iff       -> minus_dvd_iff
nipkow
parents: 29883
diff changeset
   705
zdvd_zmultD            -> dvd_mult_right
nipkow
parents: 29883
diff changeset
   706
zdvd_zmultD2           -> dvd_mult_left
nipkow
parents: 29883
diff changeset
   707
zdvd_zmult_mono        -> mult_dvd_mono
nipkow
parents: 29883
diff changeset
   708
zdvd_0_right           -> dvd_0_right
nipkow
parents: 29883
diff changeset
   709
zdvd_0_left            -> dvd_0_left_iff
nipkow
parents: 29883
diff changeset
   710
zdvd_1_left            -> one_dvd
nipkow
parents: 29883
diff changeset
   711
zminus_dvd_iff         -> minus_dvd_iff
nipkow
parents: 29883
diff changeset
   712
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   713
* Theory Rational: 'Fract k 0' now equals '0'.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   714
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   715
* The real numbers offer decimal input syntax: 12.34 is translated
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   716
into 1234/10^2. This translation is not reversed upon output.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   717
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   718
* Theory Library/Polynomial defines an abstract type 'a poly of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   719
univariate polynomials with coefficients of type 'a.  In addition to
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   720
the standard ring operations, it also supports div and mod.  Code
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   721
generation is also supported, using list-style constructors.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   722
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   723
* Theory Library/Inner_Product defines a class of real_inner for real
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   724
inner product spaces, with an overloaded operation inner :: 'a => 'a
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   725
=> real.  Class real_inner is a subclass of real_normed_vector from
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   726
theory RealVector.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   727
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   728
* Theory Library/Product_Vector provides instances for the product
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   729
type 'a * 'b of several classes from RealVector and Inner_Product.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   730
Definitions of addition, subtraction, scalar multiplication, norms,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   731
and inner products are included.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   732
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   733
* Theory Library/Bit defines the field "bit" of integers modulo 2.  In
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   734
addition to the field operations, numerals and case syntax are also
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   735
supported.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   736
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   737
* Theory Library/Diagonalize provides constructive version of Cantor's
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   738
first diagonalization argument.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   739
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   740
* Theory Library/GCD: Curried operations gcd, lcm (for nat) and zgcd,
27599
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   741
zlcm (for int); carried together from various gcd/lcm developements in
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   742
the HOL Distribution.  Constants zgcd and zlcm replace former igcd and
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   743
ilcm; corresponding theorems renamed accordingly.  INCOMPATIBILITY,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   744
may recover tupled syntax as follows:
27556
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   745
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   746
    hide (open) const gcd
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   747
    abbreviation gcd where
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   748
      "gcd == (%(a, b). GCD.gcd a b)"
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   749
    notation (output)
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   750
      GCD.gcd ("gcd '(_, _')")
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   751
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   752
The same works for lcm, zgcd, zlcm.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   753
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   754
* Theory Library/Nat_Infinity: added addition, numeral syntax and more
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   755
instantiations for algebraic structures.  Removed some duplicate
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   756
theorems.  Changes in simp rules.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   757
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   758
* ML antiquotation @{code} takes a constant as argument and generates
27651
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   759
corresponding code in background and inserts name of the corresponding
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   760
resulting ML value/function/datatype constructor binding in place.
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   761
All occurrences of @{code} with a single ML block are generated
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   762
simultaneously.  Provides a generic and safe interface for
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   763
instrumentalizing code generation.  See
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   764
src/HOL/Decision_Procs/Ferrack.thy for a more ambitious application.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   765
In future you ought to refrain from ad-hoc compiling generated SML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   766
code on the ML toplevel.  Note that (for technical reasons) @{code}
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   767
cannot refer to constants for which user-defined serializations are
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   768
set.  Refer to the corresponding ML counterpart directly in that
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   769
cases.
27122
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   770
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   771
* Command 'rep_datatype': instead of theorem names the command now
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   772
takes a list of terms denoting the constructors of the type to be
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   773
represented as datatype.  The characteristic theorems have to be
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   774
proven.  INCOMPATIBILITY.  Also observe that the following theorems
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   775
have disappeared in favour of existing ones:
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   776
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   777
    unit_induct                 ~> unit.induct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   778
    prod_induct                 ~> prod.induct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   779
    sum_induct                  ~> sum.induct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   780
    Suc_Suc_eq                  ~> nat.inject
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   781
    Suc_not_Zero Zero_not_Suc   ~> nat.distinct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   782
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   783
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   784
*** HOL-Algebra ***
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   785
27713
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   786
* New locales for orders and lattices where the equivalence relation
30106
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   787
is not restricted to equality.  INCOMPATIBILITY: all order and lattice
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   788
locales use a record structure with field eq for the equivalence.
27713
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   789
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   790
* New theory of factorial domains.
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   791
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   792
* Units_l_inv and Units_r_inv are now simp rules by default.
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   793
INCOMPATIBILITY.  Simplifier proof that require deletion of l_inv
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   794
and/or r_inv will now also require deletion of these lemmas.
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   795
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   796
* Renamed the following theorems, INCOMPATIBILITY:
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   797
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   798
UpperD ~> Upper_memD
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   799
LowerD ~> Lower_memD
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   800
least_carrier ~> least_closed
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   801
greatest_carrier ~> greatest_closed
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   802
greatest_Lower_above ~> greatest_Lower_below
27717
21bbd410ba04 Generalised polynomial lemmas from cring to ring.
ballarin
parents: 27713
diff changeset
   803
one_zero ~> carrier_one_zero
21bbd410ba04 Generalised polynomial lemmas from cring to ring.
ballarin
parents: 27713
diff changeset
   804
one_not_zero ~> carrier_one_not_zero  (collision with assumption)
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   805
27793
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   806
30849
0e5ec6d2c1d9 some HOL-Nominal news;
wenzelm
parents: 30847
diff changeset
   807
*** HOL-Nominal ***
0e5ec6d2c1d9 some HOL-Nominal news;
wenzelm
parents: 30847
diff changeset
   808
30855
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   809
* Nominal datatypes can now contain type-variables.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   810
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   811
* Commands 'nominal_inductive' and 'equivariance' work with local
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   812
theory targets.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   813
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   814
* Nominal primrec can now works with local theory targets and its
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   815
specification syntax now conforms to the general format as seen in
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   816
'inductive' etc.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   817
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   818
* Method "perm_simp" honours the standard simplifier attributes
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   819
(no_asm), (no_asm_use) etc.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   820
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   821
* The new predicate #* is defined like freshness, except that on the
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   822
left hand side can be a set or list of atoms.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   823
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   824
* Experimental command 'nominal_inductive2' derives strong induction
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   825
principles for inductive definitions.  In contrast to
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   826
'nominal_inductive', which can only deal with a fixed number of
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   827
binders, it can deal with arbitrary expressions standing for sets of
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   828
atoms to be avoided.  The only inductive definition we have at the
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   829
moment that needs this generalisation is the typing rule for Lets in
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   830
the algorithm W:
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   831
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   832
 Gamma |- t1 : T1   (x,close Gamma T1)::Gamma |- t2 : T2   x#Gamma
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   833
 -----------------------------------------------------------------
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   834
         Gamma |- Let x be t1 in t2 : T2
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   835
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   836
In this rule one wants to avoid all the binders that are introduced by
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   837
"close Gamma T1".  We are looking for other examples where this
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   838
feature might be useful.  Please let us know.
30849
0e5ec6d2c1d9 some HOL-Nominal news;
wenzelm
parents: 30847
diff changeset
   839
0e5ec6d2c1d9 some HOL-Nominal news;
wenzelm
parents: 30847
diff changeset
   840
30176
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   841
*** HOLCF ***
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   842
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   843
* Reimplemented the simplification procedure for proving continuity
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   844
subgoals.  The new simproc is extensible; users can declare additional
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   845
continuity introduction rules with the attribute [cont2cont].
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   846
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   847
* The continuity simproc now uses a different introduction rule for
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   848
solving continuity subgoals on terms with lambda abstractions.  In
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   849
some rare cases the new simproc may fail to solve subgoals that the
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   850
old one could solve, and "simp add: cont2cont_LAM" may be necessary.
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   851
Potential INCOMPATIBILITY.
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   852
30847
wenzelm
parents: 30845
diff changeset
   853
* Command 'fixrec': specification syntax now conforms to the general
30855
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   854
format as seen in 'inductive' etc.  See src/HOLCF/ex/Fixrec_ex.thy for
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   855
examples.  INCOMPATIBILITY.
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   856
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   857
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   858
*** ZF ***
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   859
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   860
* Proof of Zorn's Lemma for partial orders.
30176
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   861
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   862
27246
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   863
*** ML ***
28088
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   864
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   865
* Multithreading for Poly/ML 5.1/5.2 is no longer supported, only for
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   866
Poly/ML 5.2.1 or later.  Important note: the TimeLimit facility
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   867
depends on multithreading, so timouts will not work before Poly/ML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   868
5.2.1!
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   869
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   870
* High-level support for concurrent ML programming, see
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   871
src/Pure/Cuncurrent.  The data-oriented model of "future values" is
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   872
particularly convenient to organize independent functional
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   873
computations.  The concept of "synchronized variables" provides a
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   874
higher-order interface for components with shared state, avoiding the
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   875
delicate details of mutexes and condition variables.  (Requires
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   876
Poly/ML 5.2.1 or later.)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   877
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   878
* ML bindings produced via Isar commands are stored within the Isar
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   879
context (theory or proof).  Consequently, commands like 'use' and 'ML'
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   880
become thread-safe and work with undo as expected (concerning
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   881
top-level bindings, not side-effects on global references).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   882
INCOMPATIBILITY, need to provide proper Isar context when invoking the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   883
compiler at runtime; really global bindings need to be given outside a
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   884
theory.  (Requires Poly/ML 5.2 or later.)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   885
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   886
* Command 'ML_prf' is analogous to 'ML' but works within a proof
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   887
context.  Top-level ML bindings are stored within the proof context in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   888
a purely sequential fashion, disregarding the nested proof structure.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   889
ML bindings introduced by 'ML_prf' are discarded at the end of the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   890
proof.  (Requires Poly/ML 5.2 or later.)
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   891
30530
03c120763ea8 simplified attribute and method setup;
wenzelm
parents: 30461
diff changeset
   892
* Simplified ML attribute and method setup, cf. functions Attrib.setup
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   893
and Method.setup, as well as Isar commands 'attribute_setup' and
30547
4c2514625873 simplifief 'method_setup' command;
wenzelm
parents: 30539
diff changeset
   894
'method_setup'.  INCOMPATIBILITY for 'method_setup', need to simplify
4c2514625873 simplifief 'method_setup' command;
wenzelm
parents: 30539
diff changeset
   895
existing code accordingly, or use plain 'setup' together with old
4c2514625873 simplifief 'method_setup' command;
wenzelm
parents: 30539
diff changeset
   896
Method.add_method.
30530
03c120763ea8 simplified attribute and method setup;
wenzelm
parents: 30461
diff changeset
   897
28294
wenzelm
parents: 28290
diff changeset
   898
* Simplified ML oracle interface Thm.add_oracle promotes 'a -> cterm
wenzelm
parents: 28290
diff changeset
   899
to 'a -> thm, while results are always tagged with an authentic oracle
wenzelm
parents: 28290
diff changeset
   900
name.  The Isar command 'oracle' is now polymorphic, no argument type
wenzelm
parents: 28290
diff changeset
   901
is specified.  INCOMPATIBILITY, need to simplify existing oracle code
wenzelm
parents: 28290
diff changeset
   902
accordingly.  Note that extra performance may be gained by producing
wenzelm
parents: 28290
diff changeset
   903
the cterm carefully, avoiding slow Thm.cterm_of.
wenzelm
parents: 28290
diff changeset
   904
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   905
* Simplified interface for defining document antiquotations via
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   906
ThyOutput.antiquotation, ThyOutput.output, and optionally
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   907
ThyOutput.maybe_pretty_source.  INCOMPATIBILITY, need to simplify user
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   908
antiquotations accordingly, see src/Pure/Thy/thy_output.ML for common
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   909
examples.
28099
fb16a07d6580 * Generic Toplevel.add_hook interface allows to analyze the result of
wenzelm
parents: 28089
diff changeset
   910
30395
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
   911
* More systematic treatment of long names, abstract name bindings, and
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
   912
name space operations.  Basic operations on qualified names have been
30399
wenzelm
parents: 30395
diff changeset
   913
move from structure NameSpace to Long_Name, e.g. Long_Name.base_name,
30395
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
   914
Long_Name.append.  Old type bstring has been mostly replaced by
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
   915
abstract type binding (see structure Binding), which supports precise
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   916
qualification by packages and local theory targets, as well as proper
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   917
tracking of source positions.  INCOMPATIBILITY, need to wrap old
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   918
bstring values into Binding.name, or better pass through abstract
30399
wenzelm
parents: 30395
diff changeset
   919
bindings everywhere.  See further src/Pure/General/long_name.ML,
30395
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
   920
src/Pure/General/binding.ML and src/Pure/General/name_space.ML
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
   921
28089
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
   922
* Result facts (from PureThy.note_thms, ProofContext.note_thms,
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
   923
LocalTheory.note etc.) now refer to the *full* internal name, not the
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
   924
bstring as before.  INCOMPATIBILITY, not detected by ML type-checking!
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
   925
27287
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
   926
* Disposed old type and term read functions (Sign.read_def_typ,
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
   927
Sign.read_typ, Sign.read_def_terms, Sign.read_term,
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
   928
Thm.read_def_cterms, Thm.read_cterm etc.).  INCOMPATIBILITY, should
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
   929
use regular Syntax.read_typ, Syntax.read_term, Syntax.read_typ_global,
27269
1e9c05cddc64 * Disposed old term read functions;
wenzelm
parents: 27246
diff changeset
   930
Syntax.read_term_global etc.; see also OldGoals.read_term as last
1e9c05cddc64 * Disposed old term read functions;
wenzelm
parents: 27246
diff changeset
   931
resort for legacy applications.
1e9c05cddc64 * Disposed old term read functions;
wenzelm
parents: 27246
diff changeset
   932
30609
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
   933
* Disposed old declarations, tactics, tactic combinators that refer to
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
   934
the simpset or claset of an implicit theory (such as Addsimps,
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
   935
Simp_tac, SIMPSET).  INCOMPATIBILITY, should use @{simpset} etc. in
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
   936
embedded ML text, or local_simpset_of with a proper context passed as
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
   937
explicit runtime argument.
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
   938
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   939
* Rules and tactics that read instantiations (read_instantiate,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   940
res_inst_tac, thin_tac, subgoal_tac etc.) now demand a proper proof
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   941
context, which is required for parsing and type-checking.  Moreover,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   942
the variables are specified as plain indexnames, not string encodings
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   943
thereof.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   944
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   945
* Generic Toplevel.add_hook interface allows to analyze the result of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   946
transactions.  E.g. see src/Pure/ProofGeneral/proof_general_pgip.ML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   947
for theorem dependency output of transactions resulting in a new
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   948
theory state.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   949
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   950
* ML antiquotations: block-structured compilation context indicated by
27391
6c4649134fd6 additional ML antiquotations;
wenzelm
parents: 27381
diff changeset
   951
\<lbrace> ... \<rbrace>; additional antiquotation forms:
6c4649134fd6 additional ML antiquotations;
wenzelm
parents: 27381
diff changeset
   952
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   953
  @{binding name}                         - basic name binding
27519
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   954
  @{let ?pat = term}                      - term abbreviation (HO matching)
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   955
  @{note name = fact}                     - fact abbreviation
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   956
  @{thm fact}                             - singleton fact (with attributes)
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   957
  @{thms fact}                            - general fact (with attributes)
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   958
  @{lemma prop by method}                 - singleton goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   959
  @{lemma prop by meth1 meth2}            - singleton goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   960
  @{lemma prop1 ... propN by method}      - general goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   961
  @{lemma prop1 ... propN by meth1 meth2} - general goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   962
  @{lemma (open) ...}                     - open derivation
27380
ca505e7b7591 ML: improved antiquotations;
wenzelm
parents: 27324
diff changeset
   963
27246
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   964
27979
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   965
*** System ***
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   966
28248
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   967
* The Isabelle "emacs" tool provides a specific interface to invoke
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   968
Proof General / Emacs, with more explicit failure if that is not
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   969
installed (the old isabelle-interface script silently falls back on
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   970
isabelle-process).  The PROOFGENERAL_HOME setting determines the
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   971
installation location of the Proof General distribution.
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   972
27979
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   973
* Isabelle/lib/classes/Pure.jar provides basic support to integrate
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   974
the Isabelle process into a JVM/Scala application.  See
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   975
Isabelle/lib/jedit/plugin for a minimal example.  (The obsolete Java
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   976
process wrapper has been discontinued.)
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   977
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   978
* Added homegrown Isabelle font with unicode layout, see lib/fonts.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   979
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   980
* Various status messages (with exact source position information) are
27979
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   981
emitted, if proper markup print mode is enabled.  This allows
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   982
user-interface components to provide detailed feedback on internal
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   983
prover operations.
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   984
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   985
27143
574a09bcdb02 tuned spacing;
wenzelm
parents: 27141
diff changeset
   986
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   987
New in Isabelle2008 (June 2008)
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   988
-------------------------------
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
   989
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   990
*** General ***
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   991
27061
a057cb0d7d55 reorganized isar-ref;
wenzelm
parents: 27008
diff changeset
   992
* The Isabelle/Isar Reference Manual (isar-ref) has been reorganized
a057cb0d7d55 reorganized isar-ref;
wenzelm
parents: 27008
diff changeset
   993
and updated, with formally checked references as hyperlinks.
a057cb0d7d55 reorganized isar-ref;
wenzelm
parents: 27008
diff changeset
   994
25994
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
   995
* Theory loader: use_thy (and similar operations) no longer set the
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
   996
implicit ML context, which was occasionally hard to predict and in
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
   997
conflict with concurrency.  INCOMPATIBILITY, use ML within Isar which
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
   998
provides a proper context already.
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
   999
26323
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
  1000
* Theory loader: old-style ML proof scripts being *attached* to a thy
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
  1001
file are no longer supported.  INCOMPATIBILITY, regular 'uses' and
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
  1002
'use' within a theory file will do the job.
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
  1003
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1004
* Name space merge now observes canonical order, i.e. the second space
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1005
is inserted into the first one, while existing entries in the first
26659
wenzelm
parents: 26650
diff changeset
  1006
space take precedence.  INCOMPATIBILITY in rare situations, may try to
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1007
swap theory imports.
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1008
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1009
* Syntax: symbol \<chi> is now considered a letter.  Potential
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1010
INCOMPATIBILITY in identifier syntax etc.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1011
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1012
* Outer syntax: string tokens no longer admit escaped white space,
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1013
which was an accidental (undocumented) feature.  INCOMPATIBILITY, use
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1014
white space without escapes.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1015
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1016
* Outer syntax: string tokens may contain arbitrary character codes
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1017
specified via 3 decimal digits (as in SML).  E.g. "foo\095bar" for
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1018
"foo_bar".
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1019
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1020
25502
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25464
diff changeset
  1021
*** Pure ***
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25464
diff changeset
  1022
26718
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1023
* Context-dependent token translations.  Default setup reverts locally
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1024
fixed variables, and adds hilite markup for undeclared frees.
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1025
26681
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1026
* Unused theorems can be found using the new command 'unused_thms'.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1027
There are three ways of invoking it:
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1028
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1029
(1) unused_thms
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1030
     Only finds unused theorems in the current theory.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1031
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1032
(2) unused_thms thy_1 ... thy_n -
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1033
     Finds unused theorems in the current theory and all of its ancestors,
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1034
     excluding the theories thy_1 ... thy_n and all of their ancestors.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1035
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1036
(3) unused_thms thy_1 ... thy_n - thy'_1 ... thy'_m
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1037
     Finds unused theorems in the theories thy'_1 ... thy'_m and all of
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1038
     their ancestors, excluding the theories thy_1 ... thy_n and all of
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1039
     their ancestors.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1040
26718
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1041
In order to increase the readability of the list produced by
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1042
unused_thms, theorems that have been created by a particular instance
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1043
of a theory command such as 'inductive' or 'function' are considered
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1044
to belong to the same "group", meaning that if at least one theorem in
26718
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1045
this group is used, the other theorems in the same group are no longer
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1046
reported as unused.  Moreover, if all theorems in the group are
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1047
unused, only one theorem in the group is displayed.
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1048
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1049
Note that proof objects have to be switched on in order for
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1050
unused_thms to work properly (i.e. !proofs must be >= 1, which is
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1051
usually the case when using Proof General with the default settings).
26681
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1052
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1053
* Authentic naming of facts disallows ad-hoc overwriting of previous
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1054
theorems within the same name space.  INCOMPATIBILITY, need to remove
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1055
duplicate fact bindings, or even accidental fact duplications.  Note
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1056
that tools may maintain dynamically scoped facts systematically, using
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1057
PureThy.add_thms_dynamic.
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1058
26660
f978a6f48949 added hide fact;
wenzelm
parents: 26659
diff changeset
  1059
* Command 'hide' now allows to hide from "fact" name space as well.
f978a6f48949 added hide fact;
wenzelm
parents: 26659
diff changeset
  1060
26496
49ae9456eba9 purely functional setup of claset/simpset/clasimpset;
wenzelm
parents: 26495
diff changeset
  1061
* Eliminated destructive theorem database, simpset, claset, and
49ae9456eba9 purely functional setup of claset/simpset/clasimpset;
wenzelm
parents: 26495
diff changeset
  1062
clasimpset.  Potential INCOMPATIBILITY, really need to observe linear
49ae9456eba9 purely functional setup of claset/simpset/clasimpset;
wenzelm
parents: 26495
diff changeset
  1063
update of theories within ML code.
26479
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1064
26955
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
  1065
* Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
  1066
INCOMPATIBILITY, object-logics depending on former Pure require
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
  1067
additional setup PureThy.old_appl_syntax_setup; object-logics
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
  1068
depending on former CPure need to refer to Pure.
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1069
26495
dd8996960cb0 fixed spelling;
wenzelm
parents: 26479
diff changeset
  1070
* Commands 'use' and 'ML' are now purely functional, operating on
26479
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1071
theory/local_theory.  Removed former 'ML_setup' (on theory), use 'ML'
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1072
instead.  Added 'ML_val' as mere diagnostic replacement for 'ML'.
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1073
INCOMPATIBILITY.
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1074
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1075
* Command 'setup': discontinued implicit version with ML reference.
26434
d004b791218e Command 'setup': discontinued implicit version.
wenzelm
parents: 26422
diff changeset
  1076
25970
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
  1077
* Instantiation target allows for simultaneous specification of class
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
  1078
instance operations together with an instantiation proof.
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
  1079
Type-checking phase allows to refer to class operations uniformly.
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1080
See src/HOL/Complex/Complex.thy for an Isar example and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1081
src/HOL/Library/Eval.thy for an ML example.
25502
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25464
diff changeset
  1082
26201
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1083
* Indexing of literal facts: be more serious about including only
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1084
facts from the visible specification/proof context, but not the
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1085
background context (locale etc.).  Affects `prop` notation and method
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1086
"fact".  INCOMPATIBILITY: need to name facts explicitly in rare
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1087
situations.
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1088
26925
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1089
* Method "cases", "induct", "coinduct": removed obsolete/undocumented
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1090
"(open)" option, which used to expose internal bound variables to the
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1091
proof text.
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1092
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1093
* Isar statements: removed obsolete case "rule_context".
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1094
INCOMPATIBILITY, better use explicit fixes/assumes.
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1095
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1096
* Locale proofs: default proof step now includes 'unfold_locales';
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1097
hence 'proof' without argument may be used to unfold locale
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1098
predicates.
26765
f2ea56490bfb unfold_locales part of default method.
ballarin
parents: 26762
diff changeset
  1099
f2ea56490bfb unfold_locales part of default method.
ballarin
parents: 26762
diff changeset
  1100
26762
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
  1101
*** Document preparation ***
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
  1102
26914
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1103
* Simplified pdfsetup.sty: color/hyperref is used unconditionally for
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1104
both pdf and dvi (hyperlinks usually work in xdvi as well); removed
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1105
obsolete thumbpdf setup (contemporary PDF viewers do this on the
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1106
spot); renamed link color from "darkblue" to "linkcolor" (default
26920
wenzelm
parents: 26914
diff changeset
  1107
value unchanged, can be redefined via \definecolor); no longer sets
wenzelm
parents: 26914
diff changeset
  1108
"a4paper" option (unnecessary or even intrusive).
26914
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1109
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1110
* Antiquotation @{lemma A method} proves proposition A by the given
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1111
method (either a method name or a method name plus (optional) method
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1112
arguments in parentheses) and prints A just like @{prop A}.
26762
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
  1113
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
  1114
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
  1115
*** HOL ***
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
  1116
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1117
* New primrec package.  Specification syntax conforms in style to
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1118
definition/function/....  No separate induction rule is provided.  The
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1119
"primrec" command distinguishes old-style and new-style specifications
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1120
by syntax.  The former primrec package is now named OldPrimrecPackage.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1121
When adjusting theories, beware: constants stemming from new-style
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1122
primrec specifications have authentic syntax.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1123
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1124
* Metis prover is now an order of magnitude faster, and also works
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1125
with multithreading.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1126
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1127
* Metis: the maximum number of clauses that can be produced from a
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1128
theorem is now given by the attribute max_clauses.  Theorems that
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1129
exceed this number are ignored, with a warning printed.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1130
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1131
* Sledgehammer no longer produces structured proofs by default. To
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1132
enable, declare [[sledgehammer_full = true]].  Attributes
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1133
reconstruction_modulus, reconstruction_sorts renamed
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1134
sledgehammer_modulus, sledgehammer_sorts.  INCOMPATIBILITY.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1135
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
  1136
* Method "induct_scheme" derives user-specified induction rules
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1137
from well-founded induction and completeness of patterns. This factors
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1138
out some operations that are done internally by the function package
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1139
and makes them available separately.  See
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1140
src/HOL/ex/Induction_Scheme.thy for examples.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1141
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1142
* More flexible generation of measure functions for termination
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1143
proofs: Measure functions can be declared by proving a rule of the
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1144
form "is_measure f" and giving it the [measure_function] attribute.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1145
The "is_measure" predicate is logically meaningless (always true), and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1146
just guides the heuristic.  To find suitable measure functions, the
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1147
termination prover sets up the goal "is_measure ?f" of the appropriate
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1148
type and generates all solutions by prolog-style backwards proof using
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1149
the declared rules.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1150
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1151
This setup also deals with rules like 
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1152
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1153
  "is_measure f ==> is_measure (list_size f)"
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1154
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1155
which accommodates nested datatypes that recurse through lists.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1156
Similar rules are predeclared for products and option types.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1157
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1158
* Turned the type of sets "'a set" into an abbreviation for "'a => bool"
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1159
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1160
  INCOMPATIBILITIES:
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1161
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1162
  - Definitions of overloaded constants on sets have to be replaced by
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1163
    definitions on => and bool.
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1164
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1165
  - Some definitions of overloaded operators on sets can now be proved
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1166
    using the definitions of the operators on => and bool.  Therefore,
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1167
    the following theorems have been renamed:
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1168
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1169
      subset_def   -> subset_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1170
      psubset_def  -> psubset_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1171
      set_diff_def -> set_diff_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1172
      Compl_def    -> Compl_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1173
      Sup_set_def  -> Sup_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1174
      Inf_set_def  -> Inf_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1175
      sup_set_def  -> sup_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1176
      inf_set_def  -> inf_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1177
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1178
  - Due to the incompleteness of the HO unification algorithm, some
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1179
    rules such as subst may require manual instantiation, if some of
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1180
    the unknowns in the rule is a set.
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1181
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1182
  - Higher order unification and forward proofs:
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1183
    The proof pattern
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1184
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1185
      have "P (S::'a set)" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1186
      then have "EX S. P S" ..
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1187
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1188
    no longer works (due to the incompleteness of the HO unification
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1189
    algorithm) and must be replaced by the pattern
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1190
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1191
      have "EX S. P S"
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1192
      proof
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1193
        show "P S" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1194
      qed
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1195
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1196
  - Calculational reasoning with subst (or similar rules):
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1197
    The proof pattern
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1198
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1199
      have "P (S::'a set)" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1200
      also have "S = T" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1201
      finally have "P T" .
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1202
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1203
    no longer works (for similar reasons as the previous example) and
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1204
    must be replaced by something like
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1205
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1206
      have "P (S::'a set)" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1207
      moreover have "S = T" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1208
      ultimately have "P T" by simp
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1209
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1210
  - Tactics or packages written in ML code:
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1211
    Code performing pattern matching on types via
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1212
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1213
      Type ("set", [T]) => ...
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1214
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1215
    must be rewritten. Moreover, functions like strip_type or
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1216
    binder_types no longer return the right value when applied to a
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1217
    type of the form
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1218
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1219
      T1 => ... => Tn => U => bool
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1220
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1221
    rather than
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1222
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1223
      T1 => ... => Tn => U set
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1224
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1225
* Merged theories Wellfounded_Recursion, Accessible_Part and
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1226
Wellfounded_Relations to theory Wellfounded.
26748
4d51ddd6aa5c Merged theories about wellfoundedness into one: Wellfounded.thy
krauss
parents: 26724
diff changeset
  1227
26513
6f306c8c2c54 explicit class "eq" for operational equality
haftmann
parents: 26500
diff changeset
  1228
* Explicit class "eq" for executable equality.  INCOMPATIBILITY.
6f306c8c2c54 explicit class "eq" for operational equality
haftmann
parents: 26500
diff changeset
  1229
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1230
* Class finite no longer treats UNIV as class parameter.  Use class
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1231
enum from theory Library/Enum instead to achieve a similar effect.
26445
17223cf843d8 explicit case names for rule list_induct2
haftmann
parents: 26434
diff changeset
  1232
INCOMPATIBILITY.
17223cf843d8 explicit case names for rule list_induct2
haftmann
parents: 26434
diff changeset
  1233
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1234
* Theory List: rule list_induct2 now has explicitly named cases "Nil"
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1235
and "Cons".  INCOMPATIBILITY.
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1236
26422
d5883907c514 HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents: 26401
diff changeset
  1237
* HOL (and FOL): renamed variables in rules imp_elim and swap.
d5883907c514 HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents: 26401
diff changeset
  1238
Potential INCOMPATIBILITY.
d5883907c514 HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents: 26401
diff changeset
  1239
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1240
* Theory Product_Type: duplicated lemmas split_Pair_apply and
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1241
injective_fst_snd removed, use split_eta and prod_eqI instead.
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1242
Renamed upd_fst to apfst and upd_snd to apsnd.  INCOMPATIBILITY.
26355
9276633fdc24 Theory Product_Type; fixed typos
haftmann
parents: 26335
diff changeset
  1243
26335
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1244
* Theory Nat: removed redundant lemmas that merely duplicate lemmas of
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1245
the same name in theory Orderings:
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1246
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1247
  less_trans
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1248
  less_linear
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1249
  le_imp_less_or_eq
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1250
  le_less_trans
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1251
  less_le_trans
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1252
  less_not_sym
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1253
  less_asym
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1254
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1255
Renamed less_imp_le to less_imp_le_nat, and less_irrefl to
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1256
less_irrefl_nat.  Potential INCOMPATIBILITY due to more general types
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1257
and different variable names.
26315
cb3badaa192e removed redundant less_trans, less_linear, le_imp_less_or_eq, le_less_trans, less_le_trans (cf. Orderings.thy);
wenzelm
parents: 26231
diff changeset
  1258
26231
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
  1259
* Library/Option_ord.thy: Canonical order on option type.
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
  1260
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1261
* Library/RBT.thy: Red-black trees, an efficient implementation of
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1262
finite maps.
26197
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
  1263
26231
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
  1264
* Library/Countable.thy: Type class for countable types.
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
  1265
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1266
* Theory Int: The representation of numerals has changed.  The infix
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1267
operator BIT and the bit datatype with constructors B0 and B1 have
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1268
disappeared.  INCOMPATIBILITY, use "Int.Bit0 x" and "Int.Bit1 y" in
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1269
place of "x BIT bit.B0" and "y BIT bit.B1", respectively.  Theorems
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1270
involving BIT, B0, or B1 have been renamed with "Bit0" or "Bit1"
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1271
accordingly.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1272
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1273
* Theory Nat: definition of <= and < on natural numbers no longer
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1274
depend on well-founded relations.  INCOMPATIBILITY.  Definitions
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1275
le_def and less_def have disappeared.  Consider lemmas not_less
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1276
[symmetric, where ?'a = nat] and less_eq [symmetric] instead.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1277
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1278
* Theory Finite_Set: locales ACf, ACe, ACIf, ACIfSL and ACIfSLlin
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1279
(whose purpose mainly is for various fold_set functionals) have been
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1280
abandoned in favor of the existing algebraic classes
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1281
ab_semigroup_mult, comm_monoid_mult, ab_semigroup_idem_mult,
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1282
lower_semilattice (resp. upper_semilattice) and linorder.
26139
f7823a676ef7 added accidental omissions
haftmann
parents: 26086
diff changeset
  1283
INCOMPATIBILITY.
26041
c2e15e65165f locales ACf, ACIf, ACIfSL and ACIfSLlin have been abandoned in favour of the existing algebraic classes ab_semigroup_mult, ab_semigroup_idem_mult, lower_semilattice (resp. uper_semilattice) and linorder
haftmann
parents: 26013
diff changeset
  1284
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1285
* Theory Transitive_Closure: induct and cases rules now declare proper
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1286
case_names ("base" and "step").  INCOMPATIBILITY.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1287
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1288
* Theorem Inductive.lfp_ordinal_induct generalized to complete
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1289
lattices.  The form set-specific version is available as
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1290
Inductive.lfp_ordinal_induct_set.
26013
8764a1f1253b Theorem Inductive.lfp_ordinal_induct generalized to complete lattices
haftmann
parents: 26006
diff changeset
  1291
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1292
* Renamed theorems "power.simps" to "power_int.simps".
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1293
INCOMPATIBILITY.
25961
ec39d7e40554 moved definition of power on ints to theory Int
haftmann
parents: 25942
diff changeset
  1294
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1295
* Class semiring_div provides basic abstract properties of semirings
25942
a52309ac4a4d added class semiring_div
haftmann
parents: 25919
diff changeset
  1296
with division and modulo operations.  Subsumes former class dvd_mod.
a52309ac4a4d added class semiring_div
haftmann
parents: 25919
diff changeset
  1297
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1298
* Merged theories IntDef, Numeral and IntArith into unified theory
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1299
Int.  INCOMPATIBILITY.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1300
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1301
* Theory Library/Code_Index: type "index" now represents natural
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1302
numbers rather than integers.  INCOMPATIBILITY.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1303
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1304
* New class "uminus" with operation "uminus" (split of from class
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1305
"minus" which now only has operation "minus", binary).
25919
8b1c0d434824 joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents: 25900
diff changeset
  1306
INCOMPATIBILITY.
8b1c0d434824 joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents: 25900
diff changeset
  1307
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1308
* Constants "card", "internal_split", "option_map" now with authentic
25919
8b1c0d434824 joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents: 25900
diff changeset
  1309
syntax.  INCOMPATIBILITY.
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1310
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1311
* Definitions subset_def, psubset_def, set_diff_def, Compl_def,
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1312
le_bool_def, less_bool_def, le_fun_def, less_fun_def, inf_bool_def,
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1313
sup_bool_def, Inf_bool_def, Sup_bool_def, inf_fun_def, sup_fun_def,
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1314
Inf_fun_def, Sup_fun_def, inf_set_def, sup_set_def, Inf_set_def,
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1315
Sup_set_def, le_def, less_def, option_map_def now with object
25919
8b1c0d434824 joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents: 25900
diff changeset
  1316
equality.  INCOMPATIBILITY.
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
  1317
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25664
diff changeset
  1318
* Records. Removed K_record, and replaced it by pure lambda term
25726
9728f319ffc6 * Metis prover an order of magnitude faster, works with multithreading.
wenzelm
parents: 25712
diff changeset
  1319
%x. c. The simplifier setup is now more robust against eta expansion.
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25664
diff changeset
  1320
INCOMPATIBILITY: in cases explicitly referring to K_record.
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
  1321
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1322
* Library/Multiset: {#a, b, c#} abbreviates {#a#} + {#b#} + {#c#}.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1323
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1324
* Library/ListVector: new theory of arithmetic vector operations.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1325
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1326
* Library/Order_Relation: new theory of various orderings as sets of
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1327
pairs.  Defines preorders, partial orders, linear orders and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1328
well-orders on sets and on types.
26877
c3bb1f397811 NEWS about measure functions
krauss
parents: 26874
diff changeset
  1329
25726
9728f319ffc6 * Metis prover an order of magnitude faster, works with multithreading.
wenzelm
parents: 25712
diff changeset
  1330
26197
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
  1331
*** ZF ***
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
  1332
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1333
* Renamed some theories to allow to loading both ZF and HOL in the
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1334
same session:
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1335
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1336
  Datatype  -> Datatype_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1337
  Inductive -> Inductive_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1338
  Int       -> Int_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1339
  IntDiv    -> IntDiv_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1340
  Nat       -> Nat_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1341
  List      -> List_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1342
  Main      -> Main_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1343
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1344
INCOMPATIBILITY: ZF theories that import individual theories below
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1345
Main might need to be adapted.  Regular theory Main is still
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1346
available, as trivial extension of Main_ZF.
26197
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
  1347
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
  1348
25737
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1349
*** ML ***
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1350
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1351
* ML within Isar: antiquotation @{const name} or @{const
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1352
name(typargs)} produces statically-checked Const term.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1353
26401
e7a94081dce7 Functor NamedThmsFun: data is available to the user as dynamic fact;
wenzelm
parents: 26387
diff changeset
  1354
* Functor NamedThmsFun: data is available to the user as dynamic fact
26724
ff6ff3a9010e NamedThmsFun: removed obsolete print command -- facts are accesible via dynamic name;
wenzelm
parents: 26718
diff changeset
  1355
(of the same name).  Removed obsolete print command.
26401
e7a94081dce7 Functor NamedThmsFun: data is available to the user as dynamic fact;
wenzelm
parents: 26387
diff changeset
  1356
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1357
* Removed obsolete "use_legacy_bindings" function.
26188
9cb1b484fe96 added @{const} antiquotation;
wenzelm
parents: 26180
diff changeset
  1358
25737
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1359
* The ``print mode'' is now a thread-local value derived from a global
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1360
template (the former print_mode reference), thus access becomes
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1361
non-critical.  The global print_mode reference is for session
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1362
management only; user-code should use print_mode_value,
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1363
print_mode_active, PrintMode.setmp etc.  INCOMPATIBILITY.
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1364
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1365
* Functions system/system_out provide a robust way to invoke external
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
  1366
shell commands, with propagation of interrupts (requires Poly/ML
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
  1367
5.2.1).  Do not use OS.Process.system etc. from the basis library!
26222
edf6473ac9e9 * system/system_out provides a robust way to invoke external shell
wenzelm
parents: 26218
diff changeset
  1368
25737
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1369
25626
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
  1370
*** System ***
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
  1371
25971
wenzelm
parents: 25970
diff changeset
  1372
* Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs ---
wenzelm
parents: 25970
diff changeset
  1373
in accordance with Proof General 3.7, which prefers GNU emacs.
25970
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
  1374
25626
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
  1375
* isatool tty runs Isabelle process with plain tty interaction;
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
  1376
optional line editor may be specified via ISABELLE_LINE_EDITOR
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
  1377
setting, the default settings attempt to locate "ledit" and "rlwrap".
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
  1378
25651
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1379
* isatool browser now works with Cygwin as well, using general
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1380
"javapath" function defined in Isabelle process environment.
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1381
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1382
* YXML notation provides a simple and efficient alternative to
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1383
standard XML transfer syntax.  See src/Pure/General/yxml.ML and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1384
isatool yxml as described in the Isabelle system manual.
25651
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1385
25652
wenzelm
parents: 25651
diff changeset
  1386
* JVM class isabelle.IsabelleProcess (located in Isabelle/lib/classes)
25651
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1387
provides general wrapper for managing an Isabelle process in a robust
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1388
fashion, with ``cooked'' output from stdin/stderr.
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1389
25855
3aa0d86b4398 * Rudimentary Isabelle plugin for jEdit;
wenzelm
parents: 25778
diff changeset
  1390
* Rudimentary Isabelle plugin for jEdit (see Isabelle/lib/jedit),
3aa0d86b4398 * Rudimentary Isabelle plugin for jEdit;
wenzelm
parents: 25778
diff changeset
  1