NEWS
author wenzelm
Fri, 28 Aug 2009 11:31:49 +0200
changeset 32427 0a94e1f264ce
parent 32388 b23a4326b9bb
child 32433 11661f4327bb
permissions -rw-r--r--
misc updates and tuning;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Isabelle NEWS -- history user-relevant changes
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==============================================
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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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*** HOL ***
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* New testing tool "Mirabelle" for automated (proof) tools. Applies
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several tools and tactics like sledgehammer, metis, or quickcheck, to
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every proof step in a theory. To be used in batch mode via the
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"mirabelle" utility.
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* New proof method "sos" (sum of squares) for nonlinear real
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arithmetic (originally due to John Harison). It requires
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Library/Sum_Of_Squares.  It is not a complete decision procedure but
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works well in practice on quantifier-free real arithmetic with +, -,
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*, ^, =, <= and <, i.e. boolean combinations of equalities and
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inequalities between polynomials. It makes use of external
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semidefinite programming solvers.  For more information and examples
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see src/HOL/Library/Sum_Of_Squares.
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* Set.UNIV and Set.empty are mere abbreviations for top and bot.
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INCOMPATIBILITY.
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* More convenient names for set intersection and union.
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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 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
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order, 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
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this.  Fix using O_assoc[symmetric].  The same applies to the curried
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version "R OO S".
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* Theory GCD now has functions Gcd/GCD and Lcm/LCM for the gcd and lcm
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of finite and infinite sets. It is shown that they form a complete
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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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* New implementation of quickcheck uses generic code generator;
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default generators are provided for all suitable HOL types, records
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and 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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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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* Discontinued abbreviation "arbitrary" of constant
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"undefined". INCOMPATIBILITY, use "undefined" directly.
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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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*** 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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* Tacticals Subgoal.FOCUS, Subgoal.FOCUS_PREMS, Subgoal.FOCUS_PARAMS
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are similar to SUBPROOF, but are slightly more flexible: only the
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specified parts of the subgoal are imported into the context, and the
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body tactic may introduce new subgoals and schematic variables.
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* Old tactical METAHYPS, which does not observe the proof context, has
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been renamed to Old_Goals.METAHYPS and awaits deletion.  Use SUBPROOF
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or Subgoal.FOCUS etc.
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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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* 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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New in Isabelle2009 (April 2009)
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--------------------------------
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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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  - 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
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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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* 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.
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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
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
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   246
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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   250
"system") have been updated and extended.  Formally checked references
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
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   251
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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*** Pure ***
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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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3c6cd80a4854 New locales.
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- In locale expressions, instantiation replaces renaming.  Parameters
3c6cd80a4854 New locales.
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   261
must be declared in a for clause.  To aid compatibility with previous
3c6cd80a4854 New locales.
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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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3c6cd80a4854 New locales.
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   266
- 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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   268
useful in locale declarations.
3c6cd80a4854 New locales.
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3c6cd80a4854 New locales.
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- More flexible mechanisms to qualify names generated by locale
3c6cd80a4854 New locales.
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expressions.  Qualifiers (prefixes) may be specified in locale
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expressions, and can be marked as mandatory (syntax: "name!:") or
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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
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instantiation clause in "interpretation" and "interpret" (square
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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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   291
In existing theorem specifications replace the includes element by the
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respective context elements of the included locale, omitting those
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that are already present in the theorem specification.  Multiple
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assume elements of a locale should be replaced by a single one
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involving the locale predicate.  In the proof body, declarations (most
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   296
notably theorems) may be regained by interpreting the respective
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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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consider declaring a new locale with additional type constraints on
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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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   308
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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   315
in HOL, write
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    class foo = ...
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   319
instead of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   320
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   321
    class foo = type + ...
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
* Class target: global versions of theorems stemming do not carry a
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   324
parameter prefix any longer.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   325
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   326
* Class 'instance' command no longer accepts attached definitions.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   327
INCOMPATIBILITY, use proper 'instantiation' target instead.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   328
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   329
* Recovered hiding of consts, which was accidentally broken in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   330
Isabelle2007.  Potential INCOMPATIBILITY, ``hide const c'' really
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   331
makes c inaccessible; consider using ``hide (open) const c'' instead.
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
* Slightly more coherent Pure syntax, with updated documentation in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   334
isar-ref manual.  Removed locales meta_term_syntax and
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   335
meta_conjunction_syntax: TERM and &&& (formerly &&) are now permanent,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   336
INCOMPATIBILITY in rare situations.  Note that &&& should not be used
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   337
directly in regular applications.
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
* There is a new syntactic category "float_const" for signed decimal
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   340
fractions (e.g. 123.45 or -123.45).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   341
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   342
* Removed exotic 'token_translation' command.  INCOMPATIBILITY, use ML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   343
interface with 'setup' command instead.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   344
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   345
* 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
   346
theory context.
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   347
28114
2637fb838f74 axiomatization is now global-only;
wenzelm
parents: 28103
diff changeset
   348
* The 'axiomatization' command now only works within a global theory
2637fb838f74 axiomatization is now global-only;
wenzelm
parents: 28103
diff changeset
   349
context.  INCOMPATIBILITY.
2637fb838f74 axiomatization is now global-only;
wenzelm
parents: 28103
diff changeset
   350
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   351
* Goal-directed proof now enforces strict proof irrelevance wrt. sort
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   352
hypotheses.  Sorts required in the course of reasoning need to be
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   353
covered by the constraints in the initial statement, completed by the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   354
type instance information of the background theory.  Non-trivial sort
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   355
hypotheses, which rarely occur in practice, may be specified via
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   356
vacuous propositions of the form SORT_CONSTRAINT('a::c).  For example:
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
  lemma assumes "SORT_CONSTRAINT('a::empty)" shows False ...
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   359
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   360
The result contains an implicit sort hypotheses as before --
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   361
SORT_CONSTRAINT premises are eliminated as part of the canonical rule
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   362
normalization.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   363
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   364
* Generalized Isar history, with support for linear undo, direct state
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   365
addressing etc.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   366
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   367
* Changed defaults for unify configuration options:
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   368
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   369
  unify_trace_bound = 50 (formerly 25)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   370
  unify_search_bound = 60 (formerly 30)
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
* Different bookkeeping for code equations (INCOMPATIBILITY):
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   373
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   374
  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
   375
     constant is taken (in accordance with the policy applied by other
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   376
     parts of the code generator framework).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   377
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   378
  b) Code equations stemming from explicit declarations (e.g. code
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   379
     attribute) gain priority over default code equations stemming
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   380
     from definition, primrec, fun etc.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   381
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   382
* Keyword 'code_exception' now named 'code_abort'.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   383
30965
e0938d929bfd dropped duplication
haftmann
parents: 30964
diff changeset
   384
* Unified theorem tables for both code generators.  Thus [code
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   385
func] has disappeared and only [code] remains.  INCOMPATIBILITY.
30577
wenzelm
parents: 30562
diff changeset
   386
wenzelm
parents: 30562
diff changeset
   387
* Command 'find_consts' searches for constants based on type and name
wenzelm
parents: 30562
diff changeset
   388
patterns, e.g.
29883
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   389
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   390
    find_consts "_ => bool"
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   391
30106
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   392
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
   393
the whole type.  Searching by name is possible.  Multiple queries are
30106
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   394
conjunctive and queries may be negated by prefixing them with a
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   395
hyphen:
29883
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   396
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   397
    find_consts strict: "_ => bool" name: "Int" -"int => int"
29861
3c348f5873f3 updated NEWS etc with "solves" criterion and auto_solves
kleing
parents: 29823
diff changeset
   398
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   399
* New 'find_theorems' criterion "solves" matches theorems that
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   400
directly solve the current goal (modulo higher-order unification).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   401
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   402
* Auto solve feature for main theorem statements: whenever a new goal
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   403
is stated, "find_theorems solves" is called; any theorems that could
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   404
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
   405
Cf. associated options in Proof General Isabelle settings menu,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   406
enabled by default, with reasonable timeout for pathological cases of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   407
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
   408
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   409
27381
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   410
*** Document preparation ***
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   411
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   412
* Antiquotation @{lemma} now imitates a regular terminal proof,
27392
wenzelm
parents: 27391
diff changeset
   413
demanding keyword 'by' and supporting the full method expression
27519
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   414
syntax just like the Isar command 'by'.
27381
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   415
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   416
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   417
*** HOL ***
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   418
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   419
* Integrated main parts of former image HOL-Complex with HOL.  Entry
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   420
points Main and Complex_Main remain 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-Plain provides a minimal HOL with the most important
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   423
tools available (inductive, datatype, primrec, ...).  This facilitates
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   424
experimentation and tool development.  Note that user applications
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   425
(and library theories) should never refer to anything below theory
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   426
Main, as before.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   427
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   428
* Logic image HOL-Main stops at theory Main, and thus facilitates
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   429
experimentation due to shorter build times.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   430
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   431
* Logic image HOL-NSA contains theories of nonstandard analysis which
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   432
were previously part of former HOL-Complex.  Entry point Hyperreal
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   433
remains valid, but theories formerly using Complex_Main should now use
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   434
new entry point Hypercomplex.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   435
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   436
* Generic ATP manager for Sledgehammer, based on ML threads instead of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   437
Posix processes.  Avoids potentially expensive forking of the ML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   438
process.  New thread-based implementation also works on non-Unix
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   439
platforms (Cygwin).  Provers are no longer hardwired, but defined
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   440
within the theory via plain ML wrapper functions.  Basic Sledgehammer
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   441
commands are covered in the isar-ref manual.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   442
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   443
* Wrapper scripts for remote SystemOnTPTP service allows to use
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   444
sledgehammer without local ATP installation (Vampire etc.). Other
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   445
provers may be included via suitable ML wrappers, see also
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   446
src/HOL/ATP_Linkup.thy.
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
* 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
   449
menu.
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
* 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
   452
(contains the empty clause).
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
* 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
   455
an exception, if it determines that it cannot prove the theorem.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   456
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   457
* Method "coherent" implements a prover for coherent logic (see also
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   458
src/Tools/coherent.ML).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   459
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   460
* Constants "undefined" and "default" replace "arbitrary".  Usually
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   461
"undefined" is the right choice to replace "arbitrary", though
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   462
logically there is no difference.  INCOMPATIBILITY.
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
* Command "value" now integrates different evaluation mechanisms.  The
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   465
result of the first successful evaluation mechanism is printed.  In
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   466
square brackets a particular named evaluation mechanisms may be
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   467
specified (currently, [SML], [code] or [nbe]).  See further
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   468
src/HOL/ex/Eval_Examples.thy.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   469
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   470
* Normalization by evaluation now allows non-leftlinear equations.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   471
Declare with attribute [code nbe].
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   472
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   473
* 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
   474
as the structured Isar versions "cases" and "induct", cf. the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   475
corresponding "cases" and "induct" attributes.  Mutual induction rules
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   476
are now presented as a list of individual projections
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   477
(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
   478
explicit HOL conjunction is no longer supported.  INCOMPATIBILITY, in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   479
rare situations a different rule is selected --- notably nested tuple
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   480
elimination instead of former prod.exhaust: use explicit (case_tac t
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   481
rule: prod.exhaust) here.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   482
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   483
* Attributes "cases", "induct", "coinduct" support "del" option.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   484
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   485
* Removed fact "case_split_thm", which duplicates "case_split".
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   486
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   487
* 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
   488
option_map to Option.map, and o2s to Option.set, INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   489
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   490
* New predicate "strict_mono" classifies strict functions on partial
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   491
orders.  With strict functions on linear orders, reasoning about
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   492
(in)equalities is facilitated by theorems "strict_mono_eq",
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   493
"strict_mono_less_eq" and "strict_mono_less".
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   494
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   495
* Some set operations are now proper qualified constants with
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   496
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
   497
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
    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
   499
    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
   500
    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
   501
    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
   502
    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
   503
    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
   504
    {} ~>       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
   505
    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
   506
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   507
* Class complete_lattice with operations Inf, Sup, INFI, SUPR now in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   508
theory Set.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   509
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   510
* Auxiliary class "itself" has disappeared -- classes without any
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   511
parameter are treated as expected by the 'class' command.
29797
08ef36ed2f8a handling type classes without parameters
haftmann
parents: 29788
diff changeset
   512
29823
0ab754d13ccd session Reflecion renamed to Decision_Procs, moved Dense_Linear_Order there
haftmann
parents: 29810
diff changeset
   513
* 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
   514
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   515
* Common decision procedures (Cooper, MIR, Ferrack, Approximation,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   516
Dense_Linear_Order) are now in directory HOL/Decision_Procs.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   517
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   518
* Theory src/HOL/Decision_Procs/Approximation provides the new proof
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   519
method "approximation".  It proves formulas on real values by using
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   520
interval arithmetic.  In the formulas are also the transcendental
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   521
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
   522
allowed. For examples see
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   523
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
   524
0ab754d13ccd session Reflecion renamed to Decision_Procs, moved Dense_Linear_Order there
haftmann
parents: 29810
diff changeset
   525
* Theory "Reflection" now resides in HOL/Library.
29650
cc3958d31b1d Reflection.thy now in HOL/Library
haftmann
parents: 29628
diff changeset
   526
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   527
* Entry point to Word library now simply named "Word".
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   528
INCOMPATIBILITY.
29628
d9294387ab0e entry point for Word library now named Word
haftmann
parents: 29616
diff changeset
   529
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   530
* Made source layout more coherent with logical distribution
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   531
structure:
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   532
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   533
    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
   534
    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
   535
    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
   536
    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
   537
    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
   538
    src/HOL/Library/Univ_Poly.thy ~> src/HOL/
30176
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   539
    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
   540
    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
   541
    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
   542
    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
   543
    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
   544
    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
   545
    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
   546
    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
   547
    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
   548
    src/HOL/Complex/Complex.thy ~> src/HOL/
30176
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   549
    src/HOL/Complex/FrechetDeriv.thy ~> src/HOL/Library/
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   550
    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
   551
    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
   552
    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
   553
    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
   554
    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
   555
    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
   556
    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
   557
    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
   558
    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
   559
    src/HOL/Hyperreal/Series.thy ~> src/HOL/
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   560
    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
   561
    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
   562
    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
   563
    src/HOL/Real/Float ~> src/HOL/Library/
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   564
    src/HOL/Real/HahnBanach ~> src/HOL/HahnBanach
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   565
    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
   566
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   567
    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
   568
    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
   569
    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
   570
    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
   571
    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
   572
    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
   573
    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
   574
    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
   575
    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
   576
    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
   577
29398
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   578
    src/HOL/Library/Array.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   579
    src/HOL/Library/Heap_Monad.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   580
    src/HOL/Library/Heap.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   581
    src/HOL/Library/Imperative_HOL.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   582
    src/HOL/Library/Ref.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   583
    src/HOL/Library/Relational.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   584
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   585
* If methods "eval" and "evaluation" encounter a structured proof
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   586
state with !!/==>, only the conclusion is evaluated to True (if
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   587
possible), avoiding strange error messages.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   588
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   589
* Method "sizechange" automates termination proofs using (a
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   590
modification of) the size-change principle.  Requires SAT solver.  See
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   591
src/HOL/ex/Termination.thy for examples.
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
* Simplifier: simproc for let expressions now unfolds if bound
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   594
variable occurs at most once in let expression body.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   595
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   596
* Method "arith": Linear arithmetic now ignores all inequalities when
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   597
fast_arith_neq_limit is exceeded, instead of giving up entirely.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   598
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   599
* New attribute "arith" for facts that should always be used
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   600
automatically by arithmetic. It is intended to be used locally in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   601
proofs, e.g.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   602
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   603
  assumes [arith]: "x > 0"
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   604
30706
e20227b5e6a3 NEWS: [arith]
nipkow
parents: 30609
diff changeset
   605
Global usage is discouraged because of possible performance impact.
e20227b5e6a3 NEWS: [arith]
nipkow
parents: 30609
diff changeset
   606
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   607
* New classes "top" and "bot" with corresponding operations "top" and
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   608
"bot" in theory Orderings; instantiation of class "complete_lattice"
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   609
requires instantiation of classes "top" and "bot".  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   610
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   611
* Changed definition lemma "less_fun_def" in order to provide an
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   612
instance for preorders on functions; use lemma "less_le" instead.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   613
INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   614
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   615
* Theory Orderings: class "wellorder" moved here, with explicit
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   616
induction rule "less_induct" as assumption.  For instantiation of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   617
"wellorder" by means of predicate "wf", use rule wf_wellorderI.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   618
INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   619
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   620
* Theory Orderings: added class "preorder" as superclass of "order".
27793
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   621
INCOMPATIBILITY: Instantiation proofs for order, linorder
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   622
etc. slightly changed.  Some theorems named order_class.* now named
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   623
preorder_class.*.
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   624
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   625
* Theory Relation: renamed "refl" to "refl_on", "reflexive" to "refl,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   626
"diag" to "Id_on".
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   627
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   628
* Theory Finite_Set: added a new fold combinator of type
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   629
28855
5d21a3e7303c *** empty log message ***
nipkow
parents: 28741
diff changeset
   630
  ('a => 'b => 'b) => 'b => 'a set => 'b
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   631
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   632
Occasionally this is more convenient than the old fold combinator
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   633
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
   634
fold_image.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   635
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   636
* Theories Ring_and_Field and OrderedGroup: The lemmas "group_simps"
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   637
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
   638
extended with further lemmas!).  At the moment both still exist but
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   639
the former will disappear at some point.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   640
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   641
* 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
   642
class recpower.  Type-specific simp rules for various recpower types
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   643
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
   644
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   645
rat_power_0    -> power_0
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   646
rat_power_Suc  -> power_Suc
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   647
realpow_0      -> power_0
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   648
realpow_Suc    -> power_Suc
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   649
complexpow_0   -> power_0
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   650
complexpow_Suc -> power_Suc
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   651
power_poly_0   -> power_0
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   652
power_poly_Suc -> power_Suc
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   653
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   654
* Theories Ring_and_Field and Divides: Definition of "op dvd" has been
27793
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   655
moved to separate class dvd in Ring_and_Field; a couple of lemmas on
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   656
dvd has been generalized to class comm_semiring_1.  Likewise a bunch
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   657
of lemmas from Divides has been generalized from nat to class
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   658
semiring_div.  INCOMPATIBILITY.  This involves the following theorem
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   659
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
   660
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   661
    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
   662
    zero_dvd_iff ~>         dvd_0_left_iff
28559
55c003a5600a tuned default rules of (dvd)
haftmann
parents: 28522
diff changeset
   663
    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
   664
    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
   665
    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
   666
    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
   667
    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
   668
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   669
* Theory IntDiv: removed many lemmas that are instances of class-based
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   670
generalizations (from Divides and Ring_and_Field).  INCOMPATIBILITY,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   671
rename old lemmas as follows:
30044
nipkow
parents: 29883
diff changeset
   672
nipkow
parents: 29883
diff changeset
   673
dvd_diff               -> nat_dvd_diff
nipkow
parents: 29883
diff changeset
   674
dvd_zminus_iff         -> dvd_minus_iff
30224
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   675
mod_add1_eq            -> mod_add_eq
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   676
mod_mult1_eq           -> mod_mult_right_eq
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   677
mod_mult1_eq'          -> mod_mult_left_eq
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   678
mod_mult_distrib_mod   -> mod_mult_eq
30044
nipkow
parents: 29883
diff changeset
   679
nat_mod_add_left_eq    -> mod_add_left_eq
nipkow
parents: 29883
diff changeset
   680
nat_mod_add_right_eq   -> mod_add_right_eq
nipkow
parents: 29883
diff changeset
   681
nat_mod_div_trivial    -> mod_div_trivial
nipkow
parents: 29883
diff changeset
   682
nat_mod_mod_trivial    -> mod_mod_trivial
nipkow
parents: 29883
diff changeset
   683
zdiv_zadd_self1        -> div_add_self1
nipkow
parents: 29883
diff changeset
   684
zdiv_zadd_self2        -> div_add_self2
30181
05629f28f0f7 removed redundant lemmas
nipkow
parents: 30176
diff changeset
   685
zdiv_zmult_self1       -> div_mult_self2_is_id
30044
nipkow
parents: 29883
diff changeset
   686
zdiv_zmult_self2       -> div_mult_self1_is_id
nipkow
parents: 29883
diff changeset
   687
zdvd_triv_left         -> dvd_triv_left
nipkow
parents: 29883
diff changeset
   688
zdvd_triv_right        -> dvd_triv_right
nipkow
parents: 29883
diff changeset
   689
zdvd_zmult_cancel_disj -> dvd_mult_cancel_left
30085
nipkow
parents: 30044
diff changeset
   690
zmod_eq0_zdvd_iff      -> dvd_eq_mod_eq_0[symmetric]
30044
nipkow
parents: 29883
diff changeset
   691
zmod_zadd_left_eq      -> mod_add_left_eq
nipkow
parents: 29883
diff changeset
   692
zmod_zadd_right_eq     -> mod_add_right_eq
nipkow
parents: 29883
diff changeset
   693
zmod_zadd_self1        -> mod_add_self1
nipkow
parents: 29883
diff changeset
   694
zmod_zadd_self2        -> mod_add_self2
30224
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   695
zmod_zadd1_eq          -> mod_add_eq
30044
nipkow
parents: 29883
diff changeset
   696
zmod_zdiff1_eq         -> mod_diff_eq
nipkow
parents: 29883
diff changeset
   697
zmod_zdvd_zmod         -> mod_mod_cancel
nipkow
parents: 29883
diff changeset
   698
zmod_zmod_cancel       -> mod_mod_cancel
nipkow
parents: 29883
diff changeset
   699
zmod_zmult_self1       -> mod_mult_self2_is_0
nipkow
parents: 29883
diff changeset
   700
zmod_zmult_self2       -> mod_mult_self1_is_0
nipkow
parents: 29883
diff changeset
   701
zmod_1                 -> mod_by_1
nipkow
parents: 29883
diff changeset
   702
zdiv_1                 -> div_by_1
nipkow
parents: 29883
diff changeset
   703
zdvd_abs1              -> abs_dvd_iff
nipkow
parents: 29883
diff changeset
   704
zdvd_abs2              -> dvd_abs_iff
nipkow
parents: 29883
diff changeset
   705
zdvd_refl              -> dvd_refl
nipkow
parents: 29883
diff changeset
   706
zdvd_trans             -> dvd_trans
nipkow
parents: 29883
diff changeset
   707
zdvd_zadd              -> dvd_add
nipkow
parents: 29883
diff changeset
   708
zdvd_zdiff             -> dvd_diff
nipkow
parents: 29883
diff changeset
   709
zdvd_zminus_iff        -> dvd_minus_iff
nipkow
parents: 29883
diff changeset
   710
zdvd_zminus2_iff       -> minus_dvd_iff
nipkow
parents: 29883
diff changeset
   711
zdvd_zmultD            -> dvd_mult_right
nipkow
parents: 29883
diff changeset
   712
zdvd_zmultD2           -> dvd_mult_left
nipkow
parents: 29883
diff changeset
   713
zdvd_zmult_mono        -> mult_dvd_mono
nipkow
parents: 29883
diff changeset
   714
zdvd_0_right           -> dvd_0_right
nipkow
parents: 29883
diff changeset
   715
zdvd_0_left            -> dvd_0_left_iff
nipkow
parents: 29883
diff changeset
   716
zdvd_1_left            -> one_dvd
nipkow
parents: 29883
diff changeset
   717
zminus_dvd_iff         -> minus_dvd_iff
nipkow
parents: 29883
diff changeset
   718
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   719
* Theory Rational: 'Fract k 0' now equals '0'.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   720
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   721
* The real numbers offer decimal input syntax: 12.34 is translated
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   722
into 1234/10^2. This translation is not reversed upon output.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   723
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   724
* Theory Library/Polynomial defines an abstract type 'a poly of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   725
univariate polynomials with coefficients of type 'a.  In addition to
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   726
the standard ring operations, it also supports div and mod.  Code
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   727
generation is also supported, using list-style constructors.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   728
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   729
* 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
   730
inner product spaces, with an overloaded operation inner :: 'a => 'a
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   731
=> 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
   732
theory RealVector.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   733
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   734
* Theory Library/Product_Vector provides instances for the product
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   735
type 'a * 'b of several classes from RealVector and Inner_Product.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   736
Definitions of addition, subtraction, scalar multiplication, norms,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   737
and inner products are included.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   738
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   739
* 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
   740
addition to the field operations, numerals and case syntax are also
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   741
supported.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   742
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   743
* Theory Library/Diagonalize provides constructive version of Cantor's
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   744
first diagonalization argument.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   745
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   746
* Theory Library/GCD: Curried operations gcd, lcm (for nat) and zgcd,
27599
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   747
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
   748
the HOL Distribution.  Constants zgcd and zlcm replace former igcd and
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   749
ilcm; corresponding theorems renamed accordingly.  INCOMPATIBILITY,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   750
may recover tupled syntax as follows:
27556
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   751
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   752
    hide (open) const gcd
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   753
    abbreviation gcd where
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   754
      "gcd == (%(a, b). GCD.gcd a b)"
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   755
    notation (output)
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   756
      GCD.gcd ("gcd '(_, _')")
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   757
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   758
The same works for lcm, zgcd, zlcm.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   759
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   760
* Theory Library/Nat_Infinity: added addition, numeral syntax and more
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   761
instantiations for algebraic structures.  Removed some duplicate
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   762
theorems.  Changes in simp rules.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   763
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   764
* 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
   765
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
   766
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
   767
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
   768
simultaneously.  Provides a generic and safe interface for
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   769
instrumentalizing code generation.  See
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   770
src/HOL/Decision_Procs/Ferrack.thy for a more ambitious application.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   771
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
   772
code on the ML toplevel.  Note that (for technical reasons) @{code}
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   773
cannot refer to constants for which user-defined serializations are
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   774
set.  Refer to the corresponding ML counterpart directly in that
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   775
cases.
27122
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   776
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   777
* Command 'rep_datatype': instead of theorem names the command now
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   778
takes a list of terms denoting the constructors of the type to be
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   779
represented as datatype.  The characteristic theorems have to be
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   780
proven.  INCOMPATIBILITY.  Also observe that the following theorems
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   781
have disappeared in favour of existing ones:
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   782
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   783
    unit_induct                 ~> unit.induct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   784
    prod_induct                 ~> prod.induct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   785
    sum_induct                  ~> sum.induct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   786
    Suc_Suc_eq                  ~> nat.inject
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   787
    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
   788
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   789
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   790
*** HOL-Algebra ***
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   791
27713
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   792
* New locales for orders and lattices where the equivalence relation
30106
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   793
is not restricted to equality.  INCOMPATIBILITY: all order and lattice
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   794
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
   795
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   796
* 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
   797
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   798
* 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
   799
INCOMPATIBILITY.  Simplifier proof that require deletion of l_inv
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   800
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
   801
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   802
* Renamed the following theorems, INCOMPATIBILITY:
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   803
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   804
UpperD ~> Upper_memD
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   805
LowerD ~> Lower_memD
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   806
least_carrier ~> least_closed
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   807
greatest_carrier ~> greatest_closed
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   808
greatest_Lower_above ~> greatest_Lower_below
27717
21bbd410ba04 Generalised polynomial lemmas from cring to ring.
ballarin
parents: 27713
diff changeset
   809
one_zero ~> carrier_one_zero
21bbd410ba04 Generalised polynomial lemmas from cring to ring.
ballarin
parents: 27713
diff changeset
   810
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
   811
27793
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   812
30849
0e5ec6d2c1d9 some HOL-Nominal news;
wenzelm
parents: 30847
diff changeset
   813
*** HOL-Nominal ***
0e5ec6d2c1d9 some HOL-Nominal news;
wenzelm
parents: 30847
diff changeset
   814
30855
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   815
* Nominal datatypes can now contain type-variables.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   816
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   817
* Commands 'nominal_inductive' and 'equivariance' work with local
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   818
theory targets.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   819
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   820
* Nominal primrec can now works with local theory targets and its
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   821
specification syntax now conforms to the general format as seen in
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   822
'inductive' etc.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   823
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   824
* Method "perm_simp" honours the standard simplifier attributes
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   825
(no_asm), (no_asm_use) etc.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   826
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   827
* The new predicate #* is defined like freshness, except that on the
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   828
left hand side can be a set or list of atoms.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   829
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   830
* Experimental command 'nominal_inductive2' derives strong induction
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   831
principles for inductive definitions.  In contrast to
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   832
'nominal_inductive', which can only deal with a fixed number of
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   833
binders, it can deal with arbitrary expressions standing for sets of
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   834
atoms to be avoided.  The only inductive definition we have at the
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   835
moment that needs this generalisation is the typing rule for Lets in
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   836
the algorithm W:
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   837
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   838
 Gamma |- t1 : T1   (x,close Gamma T1)::Gamma |- t2 : T2   x#Gamma
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   839
 -----------------------------------------------------------------
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   840
         Gamma |- Let x be t1 in t2 : T2
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   841
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   842
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
   843
"close Gamma T1".  We are looking for other examples where this
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   844
feature might be useful.  Please let us know.
30849
0e5ec6d2c1d9 some HOL-Nominal news;
wenzelm
parents: 30847
diff changeset
   845
0e5ec6d2c1d9 some HOL-Nominal news;
wenzelm
parents: 30847
diff changeset
   846
30176
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   847
*** HOLCF ***
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   848
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   849
* Reimplemented the simplification procedure for proving continuity
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   850
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
   851
continuity introduction rules with the attribute [cont2cont].
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   852
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   853
* 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
   854
solving continuity subgoals on terms with lambda abstractions.  In
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   855
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
   856
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
   857
Potential INCOMPATIBILITY.
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   858
30847
wenzelm
parents: 30845
diff changeset
   859
* Command 'fixrec': specification syntax now conforms to the general
30855
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   860
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
   861
examples.  INCOMPATIBILITY.
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   862
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   863
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   864
*** ZF ***
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   865
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   866
* Proof of Zorn's Lemma for partial orders.
30176
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   867
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   868
27246
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   869
*** ML ***
28088
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   870
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   871
* 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
   872
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
   873
depends on multithreading, so timouts will not work before Poly/ML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   874
5.2.1!
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   875
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   876
* High-level support for concurrent ML programming, see
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   877
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
   878
particularly convenient to organize independent functional
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   879
computations.  The concept of "synchronized variables" provides a
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   880
higher-order interface for components with shared state, avoiding the
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   881
delicate details of mutexes and condition variables.  (Requires
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   882
Poly/ML 5.2.1 or later.)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   883
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   884
* ML bindings produced via Isar commands are stored within the Isar
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   885
context (theory or proof).  Consequently, commands like 'use' and 'ML'
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   886
become thread-safe and work with undo as expected (concerning
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   887
top-level bindings, not side-effects on global references).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   888
INCOMPATIBILITY, need to provide proper Isar context when invoking the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   889
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
   890
theory.  (Requires Poly/ML 5.2 or later.)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   891
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   892
* 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
   893
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
   894
a purely sequential fashion, disregarding the nested proof structure.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   895
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
   896
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
   897
30530
03c120763ea8 simplified attribute and method setup;
wenzelm
parents: 30461
diff changeset
   898
* Simplified ML attribute and method setup, cf. functions Attrib.setup
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   899
and Method.setup, as well as Isar commands 'attribute_setup' and
30547
4c2514625873 simplifief 'method_setup' command;
wenzelm
parents: 30539
diff changeset
   900
'method_setup'.  INCOMPATIBILITY for 'method_setup', need to simplify
4c2514625873 simplifief 'method_setup' command;
wenzelm
parents: 30539
diff changeset
   901
existing code accordingly, or use plain 'setup' together with old
4c2514625873 simplifief 'method_setup' command;
wenzelm
parents: 30539
diff changeset
   902
Method.add_method.
30530
03c120763ea8 simplified attribute and method setup;
wenzelm
parents: 30461
diff changeset
   903
28294
wenzelm
parents: 28290
diff changeset
   904
* Simplified ML oracle interface Thm.add_oracle promotes 'a -> cterm
wenzelm
parents: 28290
diff changeset
   905
to 'a -> thm, while results are always tagged with an authentic oracle
wenzelm
parents: 28290
diff changeset
   906
name.  The Isar command 'oracle' is now polymorphic, no argument type
wenzelm
parents: 28290
diff changeset
   907
is specified.  INCOMPATIBILITY, need to simplify existing oracle code
wenzelm
parents: 28290
diff changeset
   908
accordingly.  Note that extra performance may be gained by producing
wenzelm
parents: 28290
diff changeset
   909
the cterm carefully, avoiding slow Thm.cterm_of.
wenzelm
parents: 28290
diff changeset
   910
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   911
* Simplified interface for defining document antiquotations via
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   912
ThyOutput.antiquotation, ThyOutput.output, and optionally
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   913
ThyOutput.maybe_pretty_source.  INCOMPATIBILITY, need to simplify user
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   914
antiquotations accordingly, see src/Pure/Thy/thy_output.ML for common
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   915
examples.
28099
fb16a07d6580 * Generic Toplevel.add_hook interface allows to analyze the result of
wenzelm
parents: 28089
diff changeset
   916
30395
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
   917
* 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
   918
name space operations.  Basic operations on qualified names have been
30399
wenzelm
parents: 30395
diff changeset
   919
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
   920
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
   921
abstract type binding (see structure Binding), which supports precise
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   922
qualification by packages and local theory targets, as well as proper
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   923
tracking of source positions.  INCOMPATIBILITY, need to wrap old
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   924
bstring values into Binding.name, or better pass through abstract
30399
wenzelm
parents: 30395
diff changeset
   925
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
   926
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
   927
28089
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
   928
* Result facts (from PureThy.note_thms, ProofContext.note_thms,
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
   929
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
   930
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
   931
27287
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
   932
* Disposed old type and term read functions (Sign.read_def_typ,
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
   933
Sign.read_typ, Sign.read_def_terms, Sign.read_term,
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
   934
Thm.read_def_cterms, Thm.read_cterm etc.).  INCOMPATIBILITY, should
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
   935
use regular Syntax.read_typ, Syntax.read_term, Syntax.read_typ_global,
27269
1e9c05cddc64 * Disposed old term read functions;
wenzelm
parents: 27246
diff changeset
   936
Syntax.read_term_global etc.; see also OldGoals.read_term as last
1e9c05cddc64 * Disposed old term read functions;
wenzelm
parents: 27246
diff changeset
   937
resort for legacy applications.
1e9c05cddc64 * Disposed old term read functions;
wenzelm
parents: 27246
diff changeset
   938
30609
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
   939
* 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
   940
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
   941
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
   942
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
   943
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
   944
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   945
* Rules and tactics that read instantiations (read_instantiate,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   946
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
   947
context, which is required for parsing and type-checking.  Moreover,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   948
the variables are specified as plain indexnames, not string encodings
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   949
thereof.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   950
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   951
* Generic Toplevel.add_hook interface allows to analyze the result of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   952
transactions.  E.g. see src/Pure/ProofGeneral/proof_general_pgip.ML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   953
for theorem dependency output of transactions resulting in a new
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   954
theory state.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   955
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   956
* ML antiquotations: block-structured compilation context indicated by
27391
6c4649134fd6 additional ML antiquotations;
wenzelm
parents: 27381
diff changeset
   957
\<lbrace> ... \<rbrace>; additional antiquotation forms:
6c4649134fd6 additional ML antiquotations;
wenzelm
parents: 27381
diff changeset
   958
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   959
  @{binding name}                         - basic name binding
27519
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   960
  @{let ?pat = term}                      - term abbreviation (HO matching)
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   961
  @{note name = fact}                     - fact abbreviation
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   962
  @{thm fact}                             - singleton fact (with attributes)
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   963
  @{thms fact}                            - general fact (with attributes)
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   964
  @{lemma prop by method}                 - singleton goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   965
  @{lemma prop by meth1 meth2}            - singleton goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   966
  @{lemma prop1 ... propN by method}      - general goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   967
  @{lemma prop1 ... propN by meth1 meth2} - general goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   968
  @{lemma (open) ...}                     - open derivation
27380
ca505e7b7591 ML: improved antiquotations;
wenzelm
parents: 27324
diff changeset
   969
27246
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   970
27979
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   971
*** System ***
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   972
28248
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   973
* The Isabelle "emacs" tool provides a specific interface to invoke
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   974
Proof General / Emacs, with more explicit failure if that is not
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   975
installed (the old isabelle-interface script silently falls back on
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   976
isabelle-process).  The PROOFGENERAL_HOME setting determines the
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   977
installation location of the Proof General distribution.
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   978
27979
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   979
* Isabelle/lib/classes/Pure.jar provides basic support to integrate
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   980
the Isabelle process into a JVM/Scala application.  See
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   981
Isabelle/lib/jedit/plugin for a minimal example.  (The obsolete Java
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   982
process wrapper has been discontinued.)
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   983
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   984
* Added homegrown Isabelle font with unicode layout, see lib/fonts.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   985
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   986
* Various status messages (with exact source position information) are
27979
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   987
emitted, if proper markup print mode is enabled.  This allows
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   988
user-interface components to provide detailed feedback on internal
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   989
prover operations.
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   990
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   991
27143
574a09bcdb02 tuned spacing;
wenzelm
parents: 27141
diff changeset
   992
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   993
New in Isabelle2008 (June 2008)
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   994
-------------------------------
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
   995
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   996
*** General ***
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   997
27061
a057cb0d7d55 reorganized isar-ref;
wenzelm
parents: 27008
diff changeset
   998
* The Isabelle/Isar Reference Manual (isar-ref) has been reorganized
a057cb0d7d55 reorganized isar-ref;
wenzelm
parents: 27008
diff changeset
   999
and updated, with formally checked references as hyperlinks.
a057cb0d7d55 reorganized isar-ref;
wenzelm
parents: 27008
diff changeset
  1000
25994
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
  1001
* 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
  1002
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
  1003
conflict with concurrency.  INCOMPATIBILITY, use ML within Isar which
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
  1004
provides a proper context already.
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
  1005
26323
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
  1006
* Theory loader: old-style ML proof scripts being *attached* to a thy
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
  1007
file are no longer supported.  INCOMPATIBILITY, regular 'uses' and
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
  1008
'use' within a theory file will do the job.
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
  1009
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1010
* 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
  1011
is inserted into the first one, while existing entries in the first
26659
wenzelm
parents: 26650
diff changeset
  1012
space take precedence.  INCOMPATIBILITY in rare situations, may try to
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1013
swap theory imports.
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1014
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1015
* Syntax: symbol \<chi> is now considered a letter.  Potential
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1016
INCOMPATIBILITY in identifier syntax etc.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1017
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1018
* Outer syntax: string tokens no longer admit escaped white space,
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1019
which was an accidental (undocumented) feature.  INCOMPATIBILITY, use
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1020
white space without escapes.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1021
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1022
* Outer syntax: string tokens may contain arbitrary character codes
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1023
specified via 3 decimal digits (as in SML).  E.g. "foo\095bar" for
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1024
"foo_bar".
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1025
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1026
25502
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25464
diff changeset
  1027
*** Pure ***
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25464
diff changeset
  1028
26718
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1029
* Context-dependent token translations.  Default setup reverts locally
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1030
fixed variables, and adds hilite markup for undeclared frees.
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1031
26681
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1032
* Unused theorems can be found using the new command 'unused_thms'.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1033
There are three ways of invoking it:
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1034
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1035
(1) unused_thms
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1036
     Only finds unused theorems in the current theory.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1037
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1038
(2) unused_thms thy_1 ... thy_n -
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1039
     Finds unused theorems in the current theory and all of its ancestors,
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1040
     excluding the theories thy_1 ... thy_n and all of their ancestors.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1041
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1042
(3) unused_thms thy_1 ... thy_n - thy'_1 ... thy'_m
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1043
     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
  1044
     their ancestors, excluding the theories thy_1 ... thy_n and all of
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1045
     their ancestors.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1046
26718
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1047
In order to increase the readability of the list produced by
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1048
unused_thms, theorems that have been created by a particular instance
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1049
of a theory command such as 'inductive' or 'function' are considered
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1050
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
  1051
this group is used, the other theorems in the same group are no longer
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1052
reported as unused.  Moreover, if all theorems in the group are
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1053
unused, only one theorem in the group is displayed.
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1054
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1055
Note that proof objects have to be switched on in order for
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1056
unused_thms to work properly (i.e. !proofs must be >= 1, which is
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1057
usually the case when using Proof General with the default settings).
26681
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1058
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1059
* Authentic naming of facts disallows ad-hoc overwriting of previous
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1060
theorems within the same name space.  INCOMPATIBILITY, need to remove
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1061
duplicate fact bindings, or even accidental fact duplications.  Note
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1062
that tools may maintain dynamically scoped facts systematically, using
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1063
PureThy.add_thms_dynamic.
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1064
26660
f978a6f48949 added hide fact;
wenzelm
parents: 26659
diff changeset
  1065
* Command 'hide' now allows to hide from "fact" name space as well.
f978a6f48949 added hide fact;
wenzelm
parents: 26659
diff changeset
  1066
26496
49ae9456eba9 purely functional setup of claset/simpset/clasimpset;
wenzelm
parents: 26495
diff changeset
  1067
* Eliminated destructive theorem database, simpset, claset, and
49ae9456eba9 purely functional setup of claset/simpset/clasimpset;
wenzelm
parents: 26495
diff changeset
  1068
clasimpset.  Potential INCOMPATIBILITY, really need to observe linear
49ae9456eba9 purely functional setup of claset/simpset/clasimpset;
wenzelm
parents: 26495
diff changeset
  1069
update of theories within ML code.
26479
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1070
26955
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
  1071
* 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
  1072
INCOMPATIBILITY, object-logics depending on former Pure require
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
  1073
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
  1074
depending on former CPure need to refer to Pure.
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1075
26495
dd8996960cb0 fixed spelling;
wenzelm
parents: 26479
diff changeset
  1076
* Commands 'use' and 'ML' are now purely functional, operating on
26479
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1077
theory/local_theory.  Removed former 'ML_setup' (on theory), use 'ML'
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1078
instead.  Added 'ML_val' as mere diagnostic replacement for 'ML'.
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1079
INCOMPATIBILITY.
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1080
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1081
* Command 'setup': discontinued implicit version with ML reference.
26434
d004b791218e Command 'setup': discontinued implicit version.
wenzelm
parents: 26422
diff changeset
  1082
25970
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
  1083
* Instantiation target allows for simultaneous specification of class
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
  1084
instance operations together with an instantiation proof.
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
  1085
Type-checking phase allows to refer to class operations uniformly.
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1086
See src/HOL/Complex/Complex.thy for an Isar example and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1087
src/HOL/Library/Eval.thy for an ML example.
25502
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25464
diff changeset
  1088
26201
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1089
* Indexing of literal facts: be more serious about including only
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1090
facts from the visible specification/proof context, but not the
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1091
background context (locale etc.).  Affects `prop` notation and method
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1092
"fact".  INCOMPATIBILITY: need to name facts explicitly in rare
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1093
situations.
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1094
26925
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1095
* Method "cases", "induct", "coinduct": removed obsolete/undocumented
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1096
"(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
  1097
proof text.
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1098
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1099
* Isar statements: removed obsolete case "rule_context".
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1100
INCOMPATIBILITY, better use explicit fixes/assumes.
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1101
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1102
* Locale proofs: default proof step now includes 'unfold_locales';
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1103
hence 'proof' without argument may be used to unfold locale
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1104
predicates.
26765
f2ea56490bfb unfold_locales part of default method.
ballarin
parents: 26762
diff changeset
  1105
f2ea56490bfb unfold_locales part of default method.
ballarin
parents: 26762
diff changeset
  1106
26762
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
  1107
*** Document preparation ***
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
  1108
26914
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1109
* Simplified pdfsetup.sty: color/hyperref is used unconditionally for
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1110
both pdf and dvi (hyperlinks usually work in xdvi as well); removed
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1111
obsolete thumbpdf setup (contemporary PDF viewers do this on the
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1112
spot); renamed link color from "darkblue" to "linkcolor" (default
26920
wenzelm
parents: 26914
diff changeset
  1113
value unchanged, can be redefined via \definecolor); no longer sets
wenzelm
parents: 26914
diff changeset
  1114
"a4paper" option (unnecessary or even intrusive).
26914
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1115
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1116
* Antiquotation @{lemma A method} proves proposition A by the given
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1117
method (either a method name or a method name plus (optional) method
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1118
arguments in parentheses) and prints A just like @{prop A}.
26762
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
  1119
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
  1120
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
  1121
*** HOL ***
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
  1122
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1123
* New primrec package.  Specification syntax conforms in style to
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1124
definition/function/....  No separate induction rule is provided.  The
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1125
"primrec" command distinguishes old-style and new-style specifications
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1126
by syntax.  The former primrec package is now named OldPrimrecPackage.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1127
When adjusting theories, beware: constants stemming from new-style
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1128
primrec specifications have authentic syntax.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1129
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1130
* Metis prover is now an order of magnitude faster, and also works
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1131
with multithreading.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1132
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1133
* Metis: the maximum number of clauses that can be produced from a
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1134
theorem is now given by the attribute max_clauses.  Theorems that
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1135
exceed this number are ignored, with a warning printed.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1136
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1137
* Sledgehammer no longer produces structured proofs by default. To
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1138
enable, declare [[sledgehammer_full = true]].  Attributes
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1139
reconstruction_modulus, reconstruction_sorts renamed
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1140
sledgehammer_modulus, sledgehammer_sorts.  INCOMPATIBILITY.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1141
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
  1142
* Method "induct_scheme" derives user-specified induction rules
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1143
from well-founded induction and completeness of patterns. This factors
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1144
out some operations that are done internally by the function package
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1145
and makes them available separately.  See
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1146
src/HOL/ex/Induction_Scheme.thy for examples.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1147
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1148
* More flexible generation of measure functions for termination
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1149
proofs: Measure functions can be declared by proving a rule of the
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1150
form "is_measure f" and giving it the [measure_function] attribute.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1151
The "is_measure" predicate is logically meaningless (always true), and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1152
just guides the heuristic.  To find suitable measure functions, the
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1153
termination prover sets up the goal "is_measure ?f" of the appropriate
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1154
type and generates all solutions by prolog-style backwards proof using
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1155
the declared rules.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1156
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1157
This setup also deals with rules like 
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1158
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1159
  "is_measure f ==> is_measure (list_size f)"
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1160
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1161
which accommodates nested datatypes that recurse through lists.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1162
Similar rules are predeclared for products and option types.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1163
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1164
* 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
  1165
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1166
  INCOMPATIBILITIES:
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1167
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1168
  - Definitions of overloaded constants on sets have to be replaced by
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1169
    definitions on => and bool.
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1170
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1171
  - Some definitions of overloaded operators on sets can now be proved
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1172
    using the definitions of the operators on => and bool.  Therefore,
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1173
    the following theorems have been renamed:
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1174
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1175
      subset_def   -> subset_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1176
      psubset_def  -> psubset_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1177
      set_diff_def -> set_diff_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1178
      Compl_def    -> Compl_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1179
      Sup_set_def  -> Sup_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1180
      Inf_set_def  -> Inf_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1181
      sup_set_def  -> sup_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1182
      inf_set_def  -> inf_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1183
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1184
  - 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
  1185
    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
  1186
    the unknowns in the rule is a set.
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1187
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1188
  - Higher order unification and forward proofs:
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1189
    The proof pattern
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 "P (S::'a set)" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1192
      then have "EX S. P S" ..
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1193
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1194
    no longer works (due to the incompleteness of the HO unification
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1195
    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
  1196
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1197
      have "EX S. P S"
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1198
      proof
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1199
        show "P S" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1200
      qed
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1201
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1202
  - Calculational reasoning with subst (or similar rules):
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1203
    The proof pattern
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1204
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1205
      have "P (S::'a set)" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1206
      also have "S = T" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1207
      finally have "P T" .
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1208
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1209
    no longer works (for similar reasons as the previous example) and
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1210
    must be replaced by something like
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1211
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1212
      have "P (S::'a set)" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1213
      moreover have "S = T" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1214
      ultimately have "P T" by simp
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1215
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1216
  - Tactics or packages written in ML code:
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1217
    Code performing pattern matching on types via
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
      Type ("set", [T]) => ...
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1220
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1221
    must be rewritten. Moreover, functions like strip_type or
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1222
    binder_types no longer return the right value when applied to a
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1223
    type of the form
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1224
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1225
      T1 => ... => Tn => U => bool
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1226
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1227
    rather than
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1228
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1229
      T1 => ... => Tn => U set
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1230
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1231
* Merged theories Wellfounded_Recursion, Accessible_Part and
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1232
Wellfounded_Relations to theory Wellfounded.
26748
4d51ddd6aa5c Merged theories about wellfoundedness into one: Wellfounded.thy
krauss
parents: 26724
diff changeset
  1233
26513
6f306c8c2c54 explicit class "eq" for operational equality
haftmann
parents: 26500
diff changeset
  1234
* Explicit class "eq" for executable equality.  INCOMPATIBILITY.
6f306c8c2c54 explicit class "eq" for operational equality
haftmann
parents: 26500
diff changeset
  1235
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1236
* Class finite no longer treats UNIV as class parameter.  Use class
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1237
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
  1238
INCOMPATIBILITY.
17223cf843d8 explicit case names for rule list_induct2
haftmann
parents: 26434
diff changeset
  1239
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1240
* Theory List: rule list_induct2 now has explicitly named cases "Nil"
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1241
and "Cons".  INCOMPATIBILITY.
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1242
26422
d5883907c514 HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents: 26401
diff changeset
  1243
* 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
  1244
Potential INCOMPATIBILITY.
d5883907c514 HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents: 26401
diff changeset
  1245
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1246
* Theory Product_Type: duplicated lemmas split_Pair_apply and
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1247
injective_fst_snd removed, use split_eta and prod_eqI instead.
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1248
Renamed upd_fst to apfst and upd_snd to apsnd.  INCOMPATIBILITY.
26355
9276633fdc24 Theory Product_Type; fixed typos
haftmann
parents: 26335
diff changeset
  1249
26335
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1250
* 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
  1251
the same name in theory Orderings:
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1252
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1253
  less_trans
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1254
  less_linear
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1255
  le_imp_less_or_eq
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1256
  le_less_trans
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1257
  less_le_trans
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1258
  less_not_sym
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1259
  less_asym
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1260
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1261
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
  1262
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
  1263
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
  1264
26231
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
  1265
* Library/Option_ord.thy: Canonical order on option type.
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
  1266
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1267
* Library/RBT.thy: Red-black trees, an efficient implementation of
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1268
finite maps.
26197
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
  1269
26231
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
  1270
* Library/Countable.thy: Type class for countable types.
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
  1271
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1272
* 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
  1273
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
  1274
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
  1275
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
  1276
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
  1277
accordingly.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1278
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1279
* 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
  1280
depend on well-founded relations.  INCOMPATIBILITY.  Definitions
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1281
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
  1282
[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
  1283
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1284
* 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
  1285
(whose purpose mainly is for various fold_set functionals) have been
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1286
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
  1287
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
  1288
lower_semilattice (resp. upper_semilattice) and linorder.
26139
f7823a676ef7 added accidental omissions
haftmann
parents: 26086
diff changeset
  1289
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
  1290
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1291
* 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
  1292
case_names ("base" and "step").  INCOMPATIBILITY.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1293
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1294
* 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
  1295
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
  1296
Inductive.lfp_ordinal_induct_set.
26013
8764a1f1253b Theorem Inductive.lfp_ordinal_induct generalized to complete lattices
haftmann
parents: 26006
diff changeset
  1297
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1298
* Renamed theorems "power.simps" to "power_int.simps".
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1299
INCOMPATIBILITY.
25961
ec39d7e40554 moved definition of power on ints to theory Int
haftmann
parents: 25942
diff changeset
  1300
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1301
* Class semiring_div provides basic abstract properties of semirings
25942
a52309ac4a4d added class semiring_div
haftmann
parents: 25919
diff changeset
  1302
with division and modulo operations.  Subsumes former class dvd_mod.
a52309ac4a4d added class semiring_div
haftmann
parents: 25919
diff changeset
  1303
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1304
* 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
  1305
Int.  INCOMPATIBILITY.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1306
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1307
* 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
  1308
numbers rather than integers.  INCOMPATIBILITY.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1309
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1310
* 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
  1311
"minus" which now only has operation "minus", binary).
25919
8b1c0d434824 joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents: 25900
diff changeset
  1312
INCOMPATIBILITY.
8b1c0d434824 joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents: 25900
diff changeset
  1313
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1314
* Constants "card", "internal_split", "option_map" now with authentic
25919
8b1c0d434824 joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents: 25900
diff changeset
  1315
syntax.  INCOMPATIBILITY.
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1316
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1317
* Definitions subset_def, psubset_def, set_diff_def, Compl_def,
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1318
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
  1319
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
  1320
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
  1321
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
  1322
equality.  INCOMPATIBILITY.
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
  1323
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25664
diff changeset
  1324
* 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
  1325
%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
  1326
INCOMPATIBILITY: in cases explicitly referring to K_record.
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
  1327
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1328
* Library/Multiset: {#a, b, c#} abbreviates {#a#} + {#b#} + {#c#}.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1329
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1330
* Library/ListVector: new theory of arithmetic vector operations.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1331
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1332
* Library/Order_Relation: new theory of various orderings as sets of
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1333
pairs.  Defines preorders, partial orders, linear orders and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1334
well-orders on sets and on types.
26877
c3bb1f397811 NEWS about measure functions
krauss
parents: 26874
diff changeset
  1335
25726
9728f319ffc6 * Metis prover an order of magnitude faster, works with multithreading.
wenzelm
parents: 25712
diff changeset
  1336
26197
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
  1337
*** ZF ***
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
  1338
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1339
* Renamed some theories to allow to loading both ZF and HOL in the
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1340
same session:
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1341
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1342
  Datatype  -> Datatype_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1343
  Inductive -> Inductive_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1344
  Int       -> Int_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1345
  IntDiv    -> IntDiv_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1346
  Nat       -> Nat_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1347
  List      -> List_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1348
  Main      -> Main_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1349
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1350
INCOMPATIBILITY: ZF theories that import individual theories below
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1351
Main might need to be adapted.  Regular theory Main is still
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1352
available, as trivial extension of Main_ZF.
26197
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
  1353
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
  1354
25737
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1355
*** ML ***
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1356
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1357
* ML within Isar: antiquotation @{const name} or @{const
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1358
name(typargs)} produces statically-checked Const term.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1359
26401
e7a94081dce7 Functor NamedThmsFun: data is available to the user as dynamic fact;
wenzelm
parents: 26387
diff changeset
  1360
* 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
  1361
(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
  1362
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1363
* Removed obsolete "use_legacy_bindings" function.
26188
9cb1b484fe96 added @{const} antiquotation;
wenzelm
parents: 26180
diff changeset
  1364
25737
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1365
* 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
  1366
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
  1367
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
  1368
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
  1369
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
  1370
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1371
* 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
  1372
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
  1373
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
  1374
25737
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
  1375
25626
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
  1376
*** System ***
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
  1377
25971
wenzelm
parents: 25970
diff changeset
  1378
* Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs ---
wenzelm
parents: 25970
diff changeset
  1379
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
  1380
25626
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
  1381
* isatool tty runs Isabelle process with plain tty interaction;
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
  1382
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
  1383
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
  1384
25651
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1385
* isatool browser now works with Cygwin as well, using general
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1386
"javapath" function defined in Isabelle process environment.
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1387
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1388
* YXML notation provides a simple and efficient alternative to
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1389
standard XML transfer syntax.  See src/Pure/General/yxml.ML and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1390
isatool yxml as described in the Isabelle system manual.
25651
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1391
25652
wenzelm
parents: 25651
diff changeset
  1392
* JVM class isabelle.IsabelleProcess (located in Isabelle/lib/classes)
25651
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1393
provides general wrapper for managing an Isabelle process in a robust
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1394
fashion, with ``cooked'' output from stdin/stderr.
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
  1395
25855
3aa0d86b4398 * Rudimentary Isabelle plugin for jEdit;
wenzelm
parents: 25778
diff changeset
  1396
* Rudimentary Isabelle plugin for jEdit (see Isabelle/lib/jedit),
3aa0d86b4398 * Rudimentary Isabelle plugin for jEdit;
wenzelm
parents: 25778
diff changeset
  1397
based on Isabelle/JVM process wrapper (see Isabelle/lib/classes).
3aa0d86b4398 * Rudimentary Isabelle plugin for jEdit;
wenzelm
parents: 25778
diff changeset
  1398
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset