NEWS
author wenzelm
Thu, 27 Oct 2005 13:59:06 +0200
changeset 17996 71f250e05e05
parent 17991 ca0958ab3293
child 18020 d23a846598d2
permissions -rw-r--r--
* HOL: alternative iff syntax;
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Isabelle NEWS -- history user-relevant changes
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==============================================
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ed941505cab7 Isabelle NEWS -- history of user-visible changes;
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New in this Isabelle release
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----------------------------
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58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
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*** General ***
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* Theory syntax: the header format ``theory A = B + C:'' has been
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discontinued in favour of ``theory A imports B C begin''.  Use isatool
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fixheaders to convert existing theory files.  INCOMPATIBILITY.
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* Theory syntax: the old non-Isar theory file format has been
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discontinued altogether.  Note that ML proof scripts may still be used
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with Isar theories; migration is usually quite simple with the ML
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function use_legacy_bindings.  INCOMPATIBILITY.
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* Legacy goal package: reduced interface to the bare minimum required
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to keep existing proof scripts running.  Most other user-level
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functions are now part of the OldGoals structure, which is *not* open
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by default (consider isatool expandshort before open OldGoals).
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Removed top_sg, prin, printyp, pprint_term/typ altogether, because
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these tend to cause confusion about the actual goal (!) context being
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used here, which is not necessarily the same as the_context().
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* Command 'find_theorems': support "*" wildcard in "name:" criterion.
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*** Document preparation ***
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* Added antiquotations @{ML_type text} and @{ML_struct text} which
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check the given source text as ML type/structure, printing verbatim.
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5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
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*** Pure ***
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* Isar: improper proof element 'guess' is like 'obtain', but derives
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the obtained context from the course of reasoning!  For example:
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5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
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  assume "EX x y. A x & B y"   -- "any previous fact"
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  then guess x and y by clarify
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This technique is potentially adventurous, depending on the facts and
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proof tools being involved here.
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* Input syntax now supports dummy variable binding "%_. b", where the
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body does not mention the bound variable.  Note that dummy patterns
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implicitly depend on their context of bounds, which makes "{_. _}"
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match any set comprehension as expected.  Potential INCOMPATIBILITY --
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parse translations need to cope with syntactic constant "_idtdummy" in
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the binding position.
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* Removed obsolete syntactic constant "_K" and its associated parse
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translation.  INCOMPATIBILITY -- use dummy abstraction instead, for
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example "A -> B" => "Pi A (%_. B)".
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*** HOL ***
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* Alternative iff syntax "A <-> B" for equality on bool (with priority
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25 like -->); output depends on the "iff" print_mode, the default is
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"A = B" (with priority 50).
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* In the context of the assumption "~(s = t)" the Simplifier rewrites
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"t = s" to False (by simproc "neq_simproc").  For backward
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compatibility this can be disabled by ML "reset use_neq_simproc".
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* Tactics 'sat' and 'satx' reimplemented, several improvements: goals
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no longer need to be stated as "<prems> ==> False", equivalences (i.e.
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"=" on type bool) are handled, variable names of the form "lit_<n>"
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are no longer reserved, significant speedup.
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*** ML ***
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* Library: new module Pure/General/rat.ML implementing rational numbers,
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replacing the former functions in the Isabelle library.
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* Internal goals: structure Goal provides simple interfaces for
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init/conclude/finish and tactical prove operations (replacing former
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Tactic.prove).  Note that OldGoals.prove_goalw_cterm has long been
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obsolete, it is ill-behaved in a local proof context (e.g. with local
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fixes/assumes or in a locale context).
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* Simplifier: the simpset of a running simplification process now
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contains a proof context (cf. Simplifier.the_context), which is the
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very context that the initial simpset has been retrieved from (by
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simpset_of/local_simpset_of).  Consequently, all plug-in components
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(solver, looper etc.) may depend on arbitrary proof data.
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* Simplifier.inherit_context inherits the proof context (plus the
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local bounds) of the current simplification process; any simproc
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etc. that calls the Simplifier recursively should do this!  Removed
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former Simplifier.inherit_bounds, which is already included here --
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INCOMPATIBILITY.  Tools based on low-level rewriting may even have to
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specify an explicit context using Simplifier.context/theory_context.
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* Simplifier/Classical Reasoner: more abstract interfaces
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change_simpset/claset for modifying the simpset/claset reference of a
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theory; raw versions simpset/claset_ref etc. have been discontinued --
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INCOMPATIBILITY.
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da9199e6b674 Isabelle2005 (October 2005);
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New in Isabelle2005 (October 2005)
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----------------------------------
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8a95abf87dd3 Pure: considerably improved version of 'constdefs' command;
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*** General ***
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* Theory headers: the new header syntax for Isar theories is
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  theory <name>
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  imports <theory1> ... <theoryN>
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  uses <file1> ... <fileM>
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  begin
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where the 'uses' part is optional.  The previous syntax
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  theory <name> = <theory1> + ... + <theoryN>:
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will disappear in the next release.  Use isatool fixheaders to convert
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existing theory files.  Note that there is no change in ancient
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non-Isar theories now, but these will disappear soon.
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* Theory loader: parent theories can now also be referred to via
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relative and absolute paths.
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* Command 'find_theorems' searches for a list of criteria instead of a
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list of constants. Known criteria are: intro, elim, dest, name:string,
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simp:term, and any term. Criteria can be preceded by '-' to select
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theorems that do not match. Intro, elim, dest select theorems that
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match the current goal, name:s selects theorems whose fully qualified
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name contain s, and simp:term selects all simplification rules whose
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lhs match term.  Any other term is interpreted as pattern and selects
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all theorems matching the pattern. Available in ProofGeneral under
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'ProofGeneral -> Find Theorems' or C-c C-f.  Example:
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  C-c C-f (100) "(_::nat) + _ + _" intro -name: "HOL."
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prints the last 100 theorems matching the pattern "(_::nat) + _ + _",
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matching the current goal as introduction rule and not having "HOL."
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in their name (i.e. not being defined in theory HOL).
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* Command 'thms_containing' has been discontinued in favour of
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'find_theorems'; INCOMPATIBILITY.
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* Communication with Proof General is now 8bit clean, which means that
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Unicode text in UTF-8 encoding may be used within theory texts (both
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formal and informal parts).  Cf. option -U of the Isabelle Proof
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General interface.  Here are some simple examples (cf. src/HOL/ex):
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  http://isabelle.in.tum.de/library/HOL/ex/Hebrew.html
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  http://isabelle.in.tum.de/library/HOL/ex/Chinese.html
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* Improved efficiency of the Simplifier and, to a lesser degree, the
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Classical Reasoner.  Typical big applications run around 2 times
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faster.
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*** Document preparation ***
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* Commands 'display_drafts' and 'print_drafts' perform simple output
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of raw sources.  Only those symbols that do not require additional
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LaTeX packages (depending on comments in isabellesym.sty) are
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   165
displayed properly, everything else is left verbatim.  isatool display
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and isatool print are used as front ends (these are subject to the
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DVI/PDF_VIEWER and PRINT_COMMAND settings, respectively).
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* Command tags control specific markup of certain regions of text,
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notably folding and hiding.  Predefined tags include "theory" (for
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
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theory begin and end), "proof" for proof commands, and "ML" for
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
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commands involving ML code; the additional tags "visible" and
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"invisible" are unused by default.  Users may give explicit tag
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specifications in the text, e.g. ''by %invisible (auto)''.  The
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
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interpretation of tags is determined by the LaTeX job during document
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preparation: see option -V of isatool usedir, or options -n and -t of
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isatool document, or even the LaTeX macros \isakeeptag, \isafoldtag,
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\isadroptag.
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Several document versions may be produced at the same time via isatool
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usedir (the generated index.html will link all of them).  Typical
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specifications include ''-V document=theory,proof,ML'' to present
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theory/proof/ML parts faithfully, ''-V outline=/proof,/ML'' to fold
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
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proof and ML commands, and ''-V mutilated=-theory,-proof,-ML'' to omit
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   185
these parts without any formal replacement text.  The Isabelle site
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default settings produce ''document'' and ''outline'' versions as
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   187
specified above.
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17402
41f1249bce37 AList, the_*
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   189
* Several new antiquotations:
15979
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   190
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  @{term_type term} prints a term with its type annotated;
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   192
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   193
  @{typeof term} prints the type of a term;
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   194
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  @{const const} is the same as @{term const}, but checks that the
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  argument is a known logical constant;
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   197
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   198
  @{term_style style term} and @{thm_style style thm} print a term or
16234
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   199
  theorem applying a "style" to it
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17117
e2bed9e82454 * The ML antiquotation prints type-checked ML expressions verbatim.
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  @{ML text}
e2bed9e82454 * The ML antiquotation prints type-checked ML expressions verbatim.
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Predefined styles are 'lhs' and 'rhs' printing the lhs/rhs of
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definitions, equations, inequations etc., 'concl' printing only the
17393
23b7e14ce640 ... prem19
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conclusion of a meta-logical statement theorem, and 'prem1' .. 'prem19'
16234
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   206
to print the specified premise.  TermStyle.add_style provides an ML
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interface for introducing further styles.  See also the "LaTeX Sugar"
17117
e2bed9e82454 * The ML antiquotation prints type-checked ML expressions verbatim.
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document practical applications.  The ML antiquotation prints
e2bed9e82454 * The ML antiquotation prints type-checked ML expressions verbatim.
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   209
type-checked ML expressions verbatim.
16234
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17259
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
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* Markup commands 'chapter', 'section', 'subsection', 'subsubsection',
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   212
and 'text' support optional locale specification '(in loc)', which
17269
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   213
specifies the default context for interpreting antiquotations.  For
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example: 'text (in lattice) {* @{thm inf_assoc}*}'.
17259
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dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
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* Option 'locale=NAME' of antiquotations specifies an alternative
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   217
context interpreting the subsequent argument.  For example: @{thm
17269
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   218
[locale=lattice] inf_assoc}.
17259
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   219
17097
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* Proper output of proof terms (@{prf ...} and @{full_prf ...}) within
78f1b66f70a4 * Proper output of proof terms within a proof context;
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a proof context.
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* Proper output of antiquotations for theory commands involving a
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   224
proof context (such as 'locale' or 'theorem (in loc) ...').
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   225
17193
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* Delimiters of outer tokens (string etc.) now produce separate LaTeX
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
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macros (\isachardoublequoteopen, isachardoublequoteclose etc.).
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
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83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
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* isatool usedir: new option -C (default true) controls whether option
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
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   230
-D should include a copy of the original document directory; -C false
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
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prevents unwanted effects such as copying of administrative CVS data.
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*** Pure ***
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   235
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   236
* Considerably improved version of 'constdefs' command.  Now performs
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   237
automatic type-inference of declared constants; additional support for
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   238
local structure declarations (cf. locales and HOL records), see also
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   239
isar-ref manual.  Potential INCOMPATIBILITY: need to observe strictly
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   240
sequential dependencies of definitions within a single 'constdefs'
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   241
section; moreover, the declared name needs to be an identifier.  If
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   242
all fails, consider to fall back on 'consts' and 'defs' separately.
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   243
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   244
* Improved indexed syntax and implicit structures.  First of all,
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   245
indexed syntax provides a notational device for subscripted
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   246
application, using the new syntax \<^bsub>term\<^esub> for arbitrary
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diff changeset
   247
expressions.  Secondly, in a local context with structure
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   248
declarations, number indexes \<^sub>n or the empty index (default
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   249
number 1) refer to a certain fixed variable implicitly; option
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   250
show_structs controls printing of implicit structures.  Typical
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   251
applications of these concepts involve record types and locales.
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   252
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   253
* New command 'no_syntax' removes grammar declarations (and
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   254
translations) resulting from the given syntax specification, which is
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   255
interpreted in the same manner as for the 'syntax' command.
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   256
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   257
* 'Advanced' translation functions (parse_translation etc.) may depend
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   258
on the signature of the theory context being presently used for
421c3522f160 major reorganization and cleanup;
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   259
parsing/printing, see also isar-ref manual.
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   260
16856
6468a5d6a16e * Improved 'oracle' command -- type-safe;
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   261
* Improved 'oracle' command provides a type-safe interface to turn an
6468a5d6a16e * Improved 'oracle' command -- type-safe;
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   262
ML expression of type theory -> T -> term into a primitive rule of
6468a5d6a16e * Improved 'oracle' command -- type-safe;
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   263
type theory -> T -> thm (i.e. the functionality of Thm.invoke_oracle
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   264
is already included here); see also FOL/ex/IffExample.thy;
6468a5d6a16e * Improved 'oracle' command -- type-safe;
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   265
INCOMPATIBILITY.
6468a5d6a16e * Improved 'oracle' command -- type-safe;
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diff changeset
   266
17275
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
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   267
* axclass: name space prefix for class "c" is now "c_class" (was "c"
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
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before); "cI" is no longer bound, use "c.intro" instead.
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   269
INCOMPATIBILITY.  This change avoids clashes of fact bindings for
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
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   270
axclasses vs. locales.
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   271
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* Improved internal renaming of symbolic identifiers -- attach primes
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   273
instead of base 26 numbers.
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   274
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   275
* New flag show_question_marks controls printing of leading question
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   276
marks in schematic variable names.
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   277
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   278
* In schematic variable names, *any* symbol following \<^isub> or
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   279
\<^isup> is now treated as part of the base name.  For example, the
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   280
following works without printing of awkward ".0" indexes:
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diff changeset
   281
421c3522f160 major reorganization and cleanup;
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   282
  lemma "x\<^isub>1 = x\<^isub>2 ==> x\<^isub>2 = x\<^isub>1"
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   283
    by simp
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diff changeset
   284
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   285
* Inner syntax includes (*(*nested*) comments*).
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diff changeset
   286
17548
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diff changeset
   287
* Pretty printer now supports unbreakable blocks, specified in mixfix
16234
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diff changeset
   288
annotations as "(00...)".
421c3522f160 major reorganization and cleanup;
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diff changeset
   289
421c3522f160 major reorganization and cleanup;
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diff changeset
   290
* Clear separation of logical types and nonterminals, where the latter
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diff changeset
   291
may only occur in 'syntax' specifications or type abbreviations.
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diff changeset
   292
Before that distinction was only partially implemented via type class
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diff changeset
   293
"logic" vs. "{}".  Potential INCOMPATIBILITY in rare cases of improper
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diff changeset
   294
use of 'types'/'consts' instead of 'nonterminals'/'syntax'.  Some very
421c3522f160 major reorganization and cleanup;
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   295
exotic syntax specifications may require further adaption
17691
8cc72452695c revert 'defs' advertisement;
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   296
(e.g. Cube/Cube.thy).
16234
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   297
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diff changeset
   298
* Removed obsolete type class "logic", use the top sort {} instead.
421c3522f160 major reorganization and cleanup;
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diff changeset
   299
Note that non-logical types should be declared as 'nonterminals'
421c3522f160 major reorganization and cleanup;
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   300
rather than 'types'.  INCOMPATIBILITY for new object-logic
421c3522f160 major reorganization and cleanup;
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diff changeset
   301
specifications.
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diff changeset
   302
17095
669005f73b81 Interpretation in locales.
ballarin
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   303
* Attributes 'induct' and 'cases': type or set names may now be
669005f73b81 Interpretation in locales.
ballarin
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   304
locally fixed variables as well.
669005f73b81 Interpretation in locales.
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diff changeset
   305
16234
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   306
* Simplifier: can now control the depth to which conditional rewriting
421c3522f160 major reorganization and cleanup;
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diff changeset
   307
is traced via the PG menu Isabelle -> Settings -> Trace Simp Depth
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diff changeset
   308
Limit.
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diff changeset
   309
421c3522f160 major reorganization and cleanup;
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diff changeset
   310
* Simplifier: simplification procedures may now take the current
421c3522f160 major reorganization and cleanup;
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diff changeset
   311
simpset into account (cf. Simplifier.simproc(_i) / mk_simproc
421c3522f160 major reorganization and cleanup;
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diff changeset
   312
interface), which is very useful for calling the Simplifier
421c3522f160 major reorganization and cleanup;
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   313
recursively.  Minor INCOMPATIBILITY: the 'prems' argument of simprocs
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   314
is gone -- use prems_of_ss on the simpset instead.  Moreover, the
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diff changeset
   315
low-level mk_simproc no longer applies Logic.varify internally, to
421c3522f160 major reorganization and cleanup;
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diff changeset
   316
allow for use in a context of fixed variables.
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diff changeset
   317
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diff changeset
   318
* thin_tac now works even if the assumption being deleted contains !!
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diff changeset
   319
or ==>.  More generally, erule now works even if the major premise of
421c3522f160 major reorganization and cleanup;
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   320
the elimination rule contains !! or ==>.
421c3522f160 major reorganization and cleanup;
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diff changeset
   321
17597
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diff changeset
   322
* Method 'rules' has been renamed to 'iprover'. INCOMPATIBILITY.
17590
56dc95e8b5c5 *** empty log message ***
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diff changeset
   323
16234
421c3522f160 major reorganization and cleanup;
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diff changeset
   324
* Reorganized bootstrapping of the Pure theories; CPure is now derived
421c3522f160 major reorganization and cleanup;
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diff changeset
   325
from Pure, which contains all common declarations already.  Both
421c3522f160 major reorganization and cleanup;
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diff changeset
   326
theories are defined via plain Isabelle/Isar .thy files.
421c3522f160 major reorganization and cleanup;
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diff changeset
   327
INCOMPATIBILITY: elements of CPure (such as the CPure.intro /
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   328
CPure.elim / CPure.dest attributes) now appear in the Pure name space;
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   329
use isatool fixcpure to adapt your theory and ML sources.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   330
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   331
* New syntax 'name(i-j, i-, i, ...)' for referring to specific
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   332
selections of theorems in named facts via index ranges.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   333
17097
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   334
* 'print_theorems': in theory mode, really print the difference
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   335
wrt. the last state (works for interactive theory development only),
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   336
in proof mode print all local facts (cf. 'print_facts');
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   337
17397
4ef3da248c48 hide: added option '(open)';
wenzelm
parents: 17393
diff changeset
   338
* 'hide': option '(open)' hides only base names.
4ef3da248c48 hide: added option '(open)';
wenzelm
parents: 17393
diff changeset
   339
17275
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   340
* More efficient treatment of intermediate checkpoints in interactive
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   341
theory development.
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   342
17663
28be54ff74f8 Added entries for code_module, code_library, and value.
berghofe
parents: 17641
diff changeset
   343
* Code generator is now invoked via code_module (incremental code
17664
wenzelm
parents: 17663
diff changeset
   344
generation) and code_library (modular code generation, ML structures
wenzelm
parents: 17663
diff changeset
   345
for each theory).  INCOMPATIBILITY: new keywords 'file' and 'contains'
wenzelm
parents: 17663
diff changeset
   346
must be quoted when used as identifiers.
wenzelm
parents: 17663
diff changeset
   347
wenzelm
parents: 17663
diff changeset
   348
* New 'value' command for reading, evaluating and printing terms using
wenzelm
parents: 17663
diff changeset
   349
the code generator.  INCOMPATIBILITY: command keyword 'value' must be
wenzelm
parents: 17663
diff changeset
   350
quoted when used as identifier.
17663
28be54ff74f8 Added entries for code_module, code_library, and value.
berghofe
parents: 17641
diff changeset
   351
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   352
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   353
*** Locales ***
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   354
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   355
* New commands for the interpretation of locale expressions in
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   356
theories (1), locales (2) and proof contexts (3).  These generate
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   357
proof obligations from the expression specification.  After the
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   358
obligations have been discharged, theorems of the expression are added
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   359
to the theory, target locale or proof context.  The synopsis of the
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   360
commands is a follows:
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   361
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   362
  (1) interpretation expr inst
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   363
  (2) interpretation target < expr
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   364
  (3) interpret expr inst
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   365
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   366
Interpretation in theories and proof contexts require a parameter
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   367
instantiation of terms from the current context.  This is applied to
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   368
specifications and theorems of the interpreted expression.
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   369
Interpretation in locales only permits parameter renaming through the
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   370
locale expression.  Interpretation is smart in that interpretations
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   371
that are active already do not occur in proof obligations, neither are
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   372
instantiated theorems stored in duplicate.  Use 'print_interps' to
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   373
inspect active interpretations of a particular locale.  For details,
17436
ballarin
parents: 17425
diff changeset
   374
see the Isar Reference manual.  Examples can be found in
ballarin
parents: 17425
diff changeset
   375
HOL/Finite_Set.thy and HOL/Algebra/UnivPoly.thy.
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   376
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   377
INCOMPATIBILITY: former 'instantiate' has been withdrawn, use
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   378
'interpret' instead.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   379
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   380
* New context element 'constrains' for adding type constraints to
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   381
parameters.
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   382
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   383
* Context expressions: renaming of parameters with syntax
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   384
redeclaration.
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   385
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   386
* Locale declaration: 'includes' disallowed.
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   387
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   388
* Proper static binding of attribute syntax -- i.e. types / terms /
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   389
facts mentioned as arguments are always those of the locale definition
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   390
context, independently of the context of later invocations.  Moreover,
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   391
locale operations (renaming and type / term instantiation) are applied
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   392
to attribute arguments as expected.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   393
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   394
INCOMPATIBILITY of the ML interface: always pass Attrib.src instead of
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   395
actual attributes; rare situations may require Attrib.attribute to
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   396
embed those attributes into Attrib.src that lack concrete syntax.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   397
Attribute implementations need to cooperate properly with the static
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   398
binding mechanism.  Basic parsers Args.XXX_typ/term/prop and
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   399
Attrib.XXX_thm etc. already do the right thing without further
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   400
intervention.  Only unusual applications -- such as "where" or "of"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   401
(cf. src/Pure/Isar/attrib.ML), which process arguments depending both
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   402
on the context and the facts involved -- may have to assign parsed
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   403
values to argument tokens explicitly.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   404
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   405
* Changed parameter management in theorem generation for long goal
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   406
statements with 'includes'.  INCOMPATIBILITY: produces a different
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   407
theorem statement in rare situations.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   408
17228
19b460b39dad print_locale omits facts by default
ballarin
parents: 17193
diff changeset
   409
* Locale inspection command 'print_locale' omits notes elements.  Use
19b460b39dad print_locale omits facts by default
ballarin
parents: 17193
diff changeset
   410
'print_locale!' to have them included in the output.
19b460b39dad print_locale omits facts by default
ballarin
parents: 17193
diff changeset
   411
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   412
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   413
*** Provers ***
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   414
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   415
* Provers/hypsubst.ML: improved version of the subst method, for
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   416
single-step rewriting: it now works in bound variable contexts. New is
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   417
'subst (asm)', for rewriting an assumption.  INCOMPATIBILITY: may
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   418
rewrite a different subterm than the original subst method, which is
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   419
still available as 'simplesubst'.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   420
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   421
* Provers/quasi.ML: new transitivity reasoners for transitivity only
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   422
and quasi orders.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   423
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   424
* Provers/trancl.ML: new transitivity reasoner for transitive and
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   425
reflexive-transitive closure of relations.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   426
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   427
* Provers/blast.ML: new reference depth_limit to make blast's depth
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   428
limit (previously hard-coded with a value of 20) user-definable.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   429
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   430
* Provers/simplifier.ML has been moved to Pure, where Simplifier.setup
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   431
is peformed already.  Object-logics merely need to finish their
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   432
initial simpset configuration as before.  INCOMPATIBILITY.
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   433
15475
fdf9434b04ea - Proofs are now hidden by default when generating documents
berghofe
parents: 15454
diff changeset
   434
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14699
diff changeset
   435
*** HOL ***
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14699
diff changeset
   436
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   437
* Symbolic syntax of Hilbert Choice Operator is now as follows:
14878
b884a7ba7238 HOL: symbolic syntax of Eps;
wenzelm
parents: 14854
diff changeset
   438
b884a7ba7238 HOL: symbolic syntax of Eps;
wenzelm
parents: 14854
diff changeset
   439
  syntax (epsilon)
b884a7ba7238 HOL: symbolic syntax of Eps;
wenzelm
parents: 14854
diff changeset
   440
    "_Eps" :: "[pttrn, bool] => 'a"    ("(3\<some>_./ _)" [0, 10] 10)
b884a7ba7238 HOL: symbolic syntax of Eps;
wenzelm
parents: 14854
diff changeset
   441
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   442
The symbol \<some> is displayed as the alternative epsilon of LaTeX
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   443
and x-symbol; use option '-m epsilon' to get it actually printed.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   444
Moreover, the mathematically important symbolic identifier \<epsilon>
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   445
becomes available as variable, constant etc.  INCOMPATIBILITY,
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   446
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   447
* "x > y" abbreviates "y < x" and "x >= y" abbreviates "y <= x".
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   448
Similarly for all quantifiers: "ALL x > y" etc.  The x-symbol for >=
17371
wenzelm
parents: 17275
diff changeset
   449
is \<ge>. New transitivity rules have been added to HOL/Orderings.thy to
17016
73c74cb1d744 mentioned change to exp_ge_add_one_self, new transitivity rules
avigad
parents: 16997
diff changeset
   450
support corresponding Isar calculations.
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   451
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   452
* "{x:A. P}" abbreviates "{x. x:A & P}", and similarly for "\<in>"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   453
instead of ":".
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   454
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   455
* theory SetInterval: changed the syntax for open intervals:
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   456
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   457
  Old       New
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   458
  {..n(}    {..<n}
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   459
  {)n..}    {n<..}
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   460
  {m..n(}   {m..<n}
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   461
  {)m..n}   {m<..n}
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   462
  {)m..n(}  {m<..<n}
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   463
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   464
The old syntax is still supported but will disappear in the next
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   465
release.  For conversion use the following Emacs search and replace
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   466
patterns (these are not perfect but work quite well):
15046
d6a4c3992e9d *** empty log message ***
nipkow
parents: 15044
diff changeset
   467
d6a4c3992e9d *** empty log message ***
nipkow
parents: 15044
diff changeset
   468
  {)\([^\.]*\)\.\.  ->  {\1<\.\.}
d6a4c3992e9d *** empty log message ***
nipkow
parents: 15044
diff changeset
   469
  \.\.\([^(}]*\)(}  ->  \.\.<\1}
d6a4c3992e9d *** empty log message ***
nipkow
parents: 15044
diff changeset
   470
17533
wenzelm
parents: 17519
diff changeset
   471
* Theory Commutative_Ring (in Library): method comm_ring for proving
wenzelm
parents: 17519
diff changeset
   472
equalities in commutative rings; method 'algebra' provides a generic
wenzelm
parents: 17519
diff changeset
   473
interface.
17389
b4743198b939 Method comm_ring for proving equalities in commutative rings.
wenzelm
parents: 17385
diff changeset
   474
b4743198b939 Method comm_ring for proving equalities in commutative rings.
wenzelm
parents: 17385
diff changeset
   475
* Theory Finite_Set: changed the syntax for 'setsum', summation over
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   476
finite sets: "setsum (%x. e) A", which used to be "\<Sum>x:A. e", is
17371
wenzelm
parents: 17275
diff changeset
   477
now either "SUM x:A. e" or "\<Sum>x \<in> A. e". The bound variable can
17189
b15f8e094874 patterns in setsum and setprod
paulson
parents: 17172
diff changeset
   478
be a tuple pattern.
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   479
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   480
Some new syntax forms are available:
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   481
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   482
  "\<Sum>x | P. e"      for     "setsum (%x. e) {x. P}"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   483
  "\<Sum>x = a..b. e"   for     "setsum (%x. e) {a..b}"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   484
  "\<Sum>x = a..<b. e"  for     "setsum (%x. e) {a..<b}"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   485
  "\<Sum>x < k. e"      for     "setsum (%x. e) {..<k}"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   486
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   487
The latter form "\<Sum>x < k. e" used to be based on a separate
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   488
function "Summation", which has been discontinued.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   489
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   490
* theory Finite_Set: in structured induction proofs, the insert case
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   491
is now 'case (insert x F)' instead of the old counterintuitive 'case
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   492
(insert F x)'.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   493
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   494
* The 'refute' command has been extended to support a much larger
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   495
fragment of HOL, including axiomatic type classes, constdefs and
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   496
typedefs, inductive datatypes and recursion.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   497
17700
ac97a91d5572 pointer to HOL/ex/SAT_Examples.thy added
webertj
parents: 17691
diff changeset
   498
* New tactics 'sat' and 'satx' to prove propositional tautologies.
ac97a91d5572 pointer to HOL/ex/SAT_Examples.thy added
webertj
parents: 17691
diff changeset
   499
Requires zChaff with proof generation to be installed.  See
ac97a91d5572 pointer to HOL/ex/SAT_Examples.thy added
webertj
parents: 17691
diff changeset
   500
HOL/ex/SAT_Examples.thy for examples.
17619
026f7bbc8a0f new sat tactic
webertj
parents: 17597
diff changeset
   501
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   502
* Datatype induction via method 'induct' now preserves the name of the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   503
induction variable. For example, when proving P(xs::'a list) by
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   504
induction on xs, the induction step is now P(xs) ==> P(a#xs) rather
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   505
than P(list) ==> P(a#list) as previously.  Potential INCOMPATIBILITY
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   506
in unstructured proof scripts.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   507
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   508
* Reworked implementation of records.  Improved scalability for
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   509
records with many fields, avoiding performance problems for type
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   510
inference. Records are no longer composed of nested field types, but
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   511
of nested extension types. Therefore the record type only grows linear
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   512
in the number of extensions and not in the number of fields.  The
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   513
top-level (users) view on records is preserved.  Potential
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   514
INCOMPATIBILITY only in strange cases, where the theory depends on the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   515
old record representation. The type generated for a record is called
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   516
<record_name>_ext_type.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   517
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   518
Flag record_quick_and_dirty_sensitive can be enabled to skip the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   519
proofs triggered by a record definition or a simproc (if
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   520
quick_and_dirty is enabled).  Definitions of large records can take
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   521
quite long.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   522
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   523
New simproc record_upd_simproc for simplification of multiple record
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   524
updates enabled by default.  Moreover, trivial updates are also
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   525
removed: r(|x := x r|) = r.  INCOMPATIBILITY: old proofs break
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   526
occasionally, since simplification is more powerful by default.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   527
17275
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   528
* typedef: proper support for polymorphic sets, which contain extra
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   529
type-variables in the term.
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   530
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   531
* Simplifier: automatically reasons about transitivity chains
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   532
involving "trancl" (r^+) and "rtrancl" (r^*) by setting up tactics
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   533
provided by Provers/trancl.ML as additional solvers.  INCOMPATIBILITY:
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   534
old proofs break occasionally as simplification may now solve more
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   535
goals than previously.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   536
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   537
* Simplifier: converts x <= y into x = y if assumption y <= x is
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   538
present.  Works for all partial orders (class "order"), in particular
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   539
numbers and sets.  For linear orders (e.g. numbers) it treats ~ x < y
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   540
just like y <= x.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   541
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   542
* Simplifier: new simproc for "let x = a in f x".  If a is a free or
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   543
bound variable or a constant then the let is unfolded.  Otherwise
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   544
first a is simplified to b, and then f b is simplified to g. If
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   545
possible we abstract b from g arriving at "let x = b in h x",
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   546
otherwise we unfold the let and arrive at g.  The simproc can be
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   547
enabled/disabled by the reference use_let_simproc.  Potential
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   548
INCOMPATIBILITY since simplification is more powerful by default.
15776
e2f45df0696f refute extended
webertj
parents: 15763
diff changeset
   549
16563
a92f96951355 meson method taking an argument list
paulson
parents: 16547
diff changeset
   550
* Classical reasoning: the meson method now accepts theorems as arguments.
a92f96951355 meson method taking an argument list
paulson
parents: 16547
diff changeset
   551
17595
3e3a30bf702f ATP linkup
paulson
parents: 17590
diff changeset
   552
* Prover support: pre-release of the Isabelle-ATP linkup, which runs background
3e3a30bf702f ATP linkup
paulson
parents: 17590
diff changeset
   553
jobs to provide advice on the provability of subgoals.
3e3a30bf702f ATP linkup
paulson
parents: 17590
diff changeset
   554
16891
wenzelm
parents: 16888
diff changeset
   555
* Theory OrderedGroup and Ring_and_Field: various additions and
wenzelm
parents: 16888
diff changeset
   556
improvements to faciliate calculations involving equalities and
wenzelm
parents: 16888
diff changeset
   557
inequalities.
wenzelm
parents: 16888
diff changeset
   558
wenzelm
parents: 16888
diff changeset
   559
The following theorems have been eliminated or modified
wenzelm
parents: 16888
diff changeset
   560
(INCOMPATIBILITY):
16888
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   561
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   562
  abs_eq             now named abs_of_nonneg
17371
wenzelm
parents: 17275
diff changeset
   563
  abs_of_ge_0        now named abs_of_nonneg
wenzelm
parents: 17275
diff changeset
   564
  abs_minus_eq       now named abs_of_nonpos
16888
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   565
  imp_abs_id         now named abs_of_nonneg
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   566
  imp_abs_neg_id     now named abs_of_nonpos
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   567
  mult_pos           now named mult_pos_pos
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   568
  mult_pos_le        now named mult_nonneg_nonneg
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   569
  mult_pos_neg_le    now named mult_nonneg_nonpos
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   570
  mult_pos_neg2_le   now named mult_nonneg_nonpos2
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   571
  mult_neg           now named mult_neg_neg
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   572
  mult_neg_le        now named mult_nonpos_nonpos
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   573
16891
wenzelm
parents: 16888
diff changeset
   574
* Theory Parity: added rules for simplifying exponents.
wenzelm
parents: 16888
diff changeset
   575
17092
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
   576
* Theory List:
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
   577
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
   578
The following theorems have been eliminated or modified
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
   579
(INCOMPATIBILITY):
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
   580
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
   581
  list_all_Nil       now named list_all.simps(1)
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
   582
  list_all_Cons      now named list_all.simps(2)
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
   583
  list_all_conv      now named list_all_iff
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
   584
  set_mem_eq         now named mem_iff
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
   585
16929
wenzelm
parents: 16908
diff changeset
   586
* Theories SetsAndFunctions and BigO (see HOL/Library) support
wenzelm
parents: 16908
diff changeset
   587
asymptotic "big O" calculations.  See the notes in BigO.thy.
wenzelm
parents: 16908
diff changeset
   588
16888
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   589
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   590
*** HOL-Complex ***
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   591
16891
wenzelm
parents: 16888
diff changeset
   592
* Theory RealDef: better support for embedding natural numbers and
wenzelm
parents: 16888
diff changeset
   593
integers in the reals.
wenzelm
parents: 16888
diff changeset
   594
wenzelm
parents: 16888
diff changeset
   595
The following theorems have been eliminated or modified
wenzelm
parents: 16888
diff changeset
   596
(INCOMPATIBILITY):
wenzelm
parents: 16888
diff changeset
   597
17016
73c74cb1d744 mentioned change to exp_ge_add_one_self, new transitivity rules
avigad
parents: 16997
diff changeset
   598
  exp_ge_add_one_self  now requires no hypotheses
73c74cb1d744 mentioned change to exp_ge_add_one_self, new transitivity rules
avigad
parents: 16997
diff changeset
   599
  real_of_int_add      reversed direction of equality (use [symmetric])
73c74cb1d744 mentioned change to exp_ge_add_one_self, new transitivity rules
avigad
parents: 16997
diff changeset
   600
  real_of_int_minus    reversed direction of equality (use [symmetric])
73c74cb1d744 mentioned change to exp_ge_add_one_self, new transitivity rules
avigad
parents: 16997
diff changeset
   601
  real_of_int_diff     reversed direction of equality (use [symmetric])
73c74cb1d744 mentioned change to exp_ge_add_one_self, new transitivity rules
avigad
parents: 16997
diff changeset
   602
  real_of_int_mult     reversed direction of equality (use [symmetric])
16891
wenzelm
parents: 16888
diff changeset
   603
wenzelm
parents: 16888
diff changeset
   604
* Theory RComplete: expanded support for floor and ceiling functions.
16888
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
   605
16962
f99dd1274c5f mentioned Ln in NEWS
avigad
parents: 16929
diff changeset
   606
* Theory Ln is new, with properties of the natural logarithm
f99dd1274c5f mentioned Ln in NEWS
avigad
parents: 16929
diff changeset
   607
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   608
* Hyperreal: There is a new type constructor "star" for making
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   609
nonstandard types.  The old type names are now type synonyms:
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   610
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   611
  hypreal = real star
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   612
  hypnat = nat star
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   613
  hcomplex = complex star
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   614
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   615
* Hyperreal: Many groups of similarly-defined constants have been
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   616
replaced by polymorphic versions (INCOMPATIBILITY):
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   617
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   618
  star_of <-- hypreal_of_real, hypnat_of_nat, hcomplex_of_complex
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   619
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   620
  starset      <-- starsetNat, starsetC
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   621
  *s*          <-- *sNat*, *sc*
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   622
  starset_n    <-- starsetNat_n, starsetC_n
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   623
  *sn*         <-- *sNatn*, *scn*
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   624
  InternalSets <-- InternalNatSets, InternalCSets
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   625
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   626
  starfun      <-- starfun{Nat,Nat2,C,RC,CR}
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   627
  *f*          <-- *fNat*, *fNat2*, *fc*, *fRc*, *fcR*
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   628
  starfun_n    <-- starfun{Nat,Nat2,C,RC,CR}_n
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   629
  *fn*         <-- *fNatn*, *fNat2n*, *fcn*, *fRcn*, *fcRn*
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   630
  InternalFuns <-- InternalNatFuns, InternalNatFuns2, Internal{C,RC,CR}Funs
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   631
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   632
* Hyperreal: Many type-specific theorems have been removed in favor of
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   633
theorems specific to various axiomatic type classes (INCOMPATIBILITY):
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   634
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   635
  add_commute <-- {hypreal,hypnat,hcomplex}_add_commute
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   636
  add_assoc   <-- {hypreal,hypnat,hcomplex}_add_assocs
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   637
  OrderedGroup.add_0 <-- {hypreal,hypnat,hcomplex}_add_zero_left
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   638
  OrderedGroup.add_0_right <-- {hypreal,hcomplex}_add_zero_right
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   639
  right_minus <-- hypreal_add_minus
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   640
  left_minus <-- {hypreal,hcomplex}_add_minus_left
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   641
  mult_commute <-- {hypreal,hypnat,hcomplex}_mult_commute
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   642
  mult_assoc <-- {hypreal,hypnat,hcomplex}_mult_assoc
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   643
  mult_1_left <-- {hypreal,hypnat}_mult_1, hcomplex_mult_one_left
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   644
  mult_1_right <-- hcomplex_mult_one_right
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   645
  mult_zero_left <-- hcomplex_mult_zero_left
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   646
  left_distrib <-- {hypreal,hypnat,hcomplex}_add_mult_distrib
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   647
  right_distrib <-- hypnat_add_mult_distrib2
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   648
  zero_neq_one <-- {hypreal,hypnat,hcomplex}_zero_not_eq_one
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   649
  right_inverse <-- hypreal_mult_inverse
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   650
  left_inverse <-- hypreal_mult_inverse_left, hcomplex_mult_inv_left
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   651
  order_refl <-- {hypreal,hypnat}_le_refl
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   652
  order_trans <-- {hypreal,hypnat}_le_trans
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   653
  order_antisym <-- {hypreal,hypnat}_le_anti_sym
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   654
  order_less_le <-- {hypreal,hypnat}_less_le
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   655
  linorder_linear <-- {hypreal,hypnat}_le_linear
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   656
  add_left_mono <-- {hypreal,hypnat}_add_left_mono
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   657
  mult_strict_left_mono <-- {hypreal,hypnat}_mult_less_mono2
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   658
  add_nonneg_nonneg <-- hypreal_le_add_order
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   659
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   660
* Hyperreal: Separate theorems having to do with type-specific
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   661
versions of constants have been merged into theorems that apply to the
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   662
new polymorphic constants (INCOMPATIBILITY):
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   663
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   664
  STAR_UNIV_set <-- {STAR_real,NatStar_real,STARC_complex}_set
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   665
  STAR_empty_set <-- {STAR,NatStar,STARC}_empty_set
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   666
  STAR_Un <-- {STAR,NatStar,STARC}_Un
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   667
  STAR_Int <-- {STAR,NatStar,STARC}_Int
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   668
  STAR_Compl <-- {STAR,NatStar,STARC}_Compl
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   669
  STAR_subset <-- {STAR,NatStar,STARC}_subset
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   670
  STAR_mem <-- {STAR,NatStar,STARC}_mem
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   671
  STAR_mem_Compl <-- {STAR,STARC}_mem_Compl
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   672
  STAR_diff <-- {STAR,STARC}_diff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   673
  STAR_star_of_image_subset <-- {STAR_hypreal_of_real, NatStar_hypreal_of_real,
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   674
    STARC_hcomplex_of_complex}_image_subset
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   675
  starset_n_Un <-- starset{Nat,C}_n_Un
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   676
  starset_n_Int <-- starset{Nat,C}_n_Int
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   677
  starset_n_Compl <-- starset{Nat,C}_n_Compl
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   678
  starset_n_diff <-- starset{Nat,C}_n_diff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   679
  InternalSets_Un <-- Internal{Nat,C}Sets_Un
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   680
  InternalSets_Int <-- Internal{Nat,C}Sets_Int
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   681
  InternalSets_Compl <-- Internal{Nat,C}Sets_Compl
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   682
  InternalSets_diff <-- Internal{Nat,C}Sets_diff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   683
  InternalSets_UNIV_diff <-- Internal{Nat,C}Sets_UNIV_diff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   684
  InternalSets_starset_n <-- Internal{Nat,C}Sets_starset{Nat,C}_n
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   685
  starset_starset_n_eq <-- starset{Nat,C}_starset{Nat,C}_n_eq
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   686
  starset_n_starset <-- starset{Nat,C}_n_starset{Nat,C}
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   687
  starfun_n_starfun <-- starfun{Nat,Nat2,C,RC,CR}_n_starfun{Nat,Nat2,C,RC,CR}
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   688
  starfun <-- starfun{Nat,Nat2,C,RC,CR}
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   689
  starfun_mult <-- starfun{Nat,Nat2,C,RC,CR}_mult
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   690
  starfun_add <-- starfun{Nat,Nat2,C,RC,CR}_add
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   691
  starfun_minus <-- starfun{Nat,Nat2,C,RC,CR}_minus
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   692
  starfun_diff <-- starfun{C,RC,CR}_diff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   693
  starfun_o <-- starfun{NatNat2,Nat2,_stafunNat,C,C_starfunRC,_starfunCR}_o
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   694
  starfun_o2 <-- starfun{NatNat2,_stafunNat,C,C_starfunRC,_starfunCR}_o2
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   695
  starfun_const_fun <-- starfun{Nat,Nat2,C,RC,CR}_const_fun
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   696
  starfun_inverse <-- starfun{Nat,C,RC,CR}_inverse
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   697
  starfun_eq <-- starfun{Nat,Nat2,C,RC,CR}_eq
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   698
  starfun_eq_iff <-- starfun{C,RC,CR}_eq_iff
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   699
  starfun_Id <-- starfunC_Id
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   700
  starfun_approx <-- starfun{Nat,CR}_approx
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   701
  starfun_capprox <-- starfun{C,RC}_capprox
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   702
  starfun_abs <-- starfunNat_rabs
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   703
  starfun_lambda_cancel <-- starfun{C,CR,RC}_lambda_cancel
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   704
  starfun_lambda_cancel2 <-- starfun{C,CR,RC}_lambda_cancel2
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   705
  starfun_mult_HFinite_approx <-- starfunCR_mult_HFinite_capprox
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   706
  starfun_mult_CFinite_capprox <-- starfun{C,RC}_mult_CFinite_capprox
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   707
  starfun_add_capprox <-- starfun{C,RC}_add_capprox
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   708
  starfun_add_approx <-- starfunCR_add_approx
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   709
  starfun_inverse_inverse <-- starfunC_inverse_inverse
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   710
  starfun_divide <-- starfun{C,CR,RC}_divide
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   711
  starfun_n <-- starfun{Nat,C}_n
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   712
  starfun_n_mult <-- starfun{Nat,C}_n_mult
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   713
  starfun_n_add <-- starfun{Nat,C}_n_add
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   714
  starfun_n_add_minus <-- starfunNat_n_add_minus
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   715
  starfun_n_const_fun <-- starfun{Nat,C}_n_const_fun
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   716
  starfun_n_minus <-- starfun{Nat,C}_n_minus
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   717
  starfun_n_eq <-- starfun{Nat,C}_n_eq
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   718
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   719
  star_n_add <-- {hypreal,hypnat,hcomplex}_add
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   720
  star_n_minus <-- {hypreal,hcomplex}_minus
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   721
  star_n_diff <-- {hypreal,hcomplex}_diff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   722
  star_n_mult <-- {hypreal,hcomplex}_mult
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   723
  star_n_inverse <-- {hypreal,hcomplex}_inverse
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   724
  star_n_le <-- {hypreal,hypnat}_le
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   725
  star_n_less <-- {hypreal,hypnat}_less
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   726
  star_n_zero_num <-- {hypreal,hypnat,hcomplex}_zero_num
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   727
  star_n_one_num <-- {hypreal,hypnat,hcomplex}_one_num
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   728
  star_n_abs <-- hypreal_hrabs
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   729
  star_n_divide <-- hcomplex_divide
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   730
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   731
  star_of_add <-- {hypreal_of_real,hypnat_of_nat,hcomplex_of_complex}_add
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   732
  star_of_minus <-- {hypreal_of_real,hcomplex_of_complex}_minus
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   733
  star_of_diff <-- hypreal_of_real_diff
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   734
  star_of_mult <-- {hypreal_of_real,hypnat_of_nat,hcomplex_of_complex}_mult
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   735
  star_of_one <-- {hypreal_of_real,hcomplex_of_complex}_one
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   736
  star_of_zero <-- {hypreal_of_real,hypnat_of_nat,hcomplex_of_complex}_zero
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   737
  star_of_le <-- {hypreal_of_real,hypnat_of_nat}_le_iff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   738
  star_of_less <-- {hypreal_of_real,hypnat_of_nat}_less_iff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   739
  star_of_eq <-- {hypreal_of_real,hypnat_of_nat,hcomplex_of_complex}_eq_iff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   740
  star_of_inverse <-- {hypreal_of_real,hcomplex_of_complex}_inverse
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   741
  star_of_divide <-- {hypreal_of_real,hcomplex_of_complex}_divide
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   742
  star_of_of_nat <-- {hypreal_of_real,hcomplex_of_complex}_of_nat
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   743
  star_of_of_int <-- {hypreal_of_real,hcomplex_of_complex}_of_int
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   744
  star_of_number_of <-- {hypreal,hcomplex}_number_of
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   745
  star_of_number_less <-- number_of_less_hypreal_of_real_iff
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   746
  star_of_number_le <-- number_of_le_hypreal_of_real_iff
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   747
  star_of_eq_number <-- hypreal_of_real_eq_number_of_iff
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   748
  star_of_less_number <-- hypreal_of_real_less_number_of_iff
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   749
  star_of_le_number <-- hypreal_of_real_le_number_of_iff
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   750
  star_of_power <-- hypreal_of_real_power
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   751
  star_of_eq_0 <-- hcomplex_of_complex_zero_iff
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
   752
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   753
* Hyperreal: new method "transfer" that implements the transfer
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   754
principle of nonstandard analysis. With a subgoal that mentions
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   755
nonstandard types like "'a star", the command "apply transfer"
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   756
replaces it with an equivalent one that mentions only standard types.
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   757
To be successful, all free variables must have standard types; non-
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   758
standard variables must have explicit universal quantifiers.
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   759
17641
5ec55c1fa116 * Hyperreal: A theory of Taylor series.
wenzelm
parents: 17619
diff changeset
   760
* Hyperreal: A theory of Taylor series.
5ec55c1fa116 * Hyperreal: A theory of Taylor series.
wenzelm
parents: 17619
diff changeset
   761
14655
8a95abf87dd3 Pure: considerably improved version of 'constdefs' command;
wenzelm
parents: 14624
diff changeset
   762
14682
a5072752114c HOLCF: discontinued special version of 'constdefs';
wenzelm
parents: 14655
diff changeset
   763
*** HOLCF ***
a5072752114c HOLCF: discontinued special version of 'constdefs';
wenzelm
parents: 14655
diff changeset
   764
17533
wenzelm
parents: 17519
diff changeset
   765
* Discontinued special version of 'constdefs' (which used to support
wenzelm
parents: 17519
diff changeset
   766
continuous functions) in favor of the general Pure one with full
wenzelm
parents: 17519
diff changeset
   767
type-inference.
wenzelm
parents: 17519
diff changeset
   768
wenzelm
parents: 17519
diff changeset
   769
* New simplification procedure for solving continuity conditions; it
wenzelm
parents: 17519
diff changeset
   770
is much faster on terms with many nested lambda abstractions (cubic
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   771
instead of exponential time).
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   772
17533
wenzelm
parents: 17519
diff changeset
   773
* New syntax for domain package: selector names are now optional.
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   774
Parentheses should be omitted unless argument is lazy, for example:
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   775
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   776
  domain 'a stream = cons "'a" (lazy "'a stream")
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   777
17533
wenzelm
parents: 17519
diff changeset
   778
* New command 'fixrec' for defining recursive functions with pattern
wenzelm
parents: 17519
diff changeset
   779
matching; defining multiple functions with mutual recursion is also
wenzelm
parents: 17519
diff changeset
   780
supported.  Patterns may include the constants cpair, spair, up, sinl,
wenzelm
parents: 17519
diff changeset
   781
sinr, or any data constructor defined by the domain package. The given
wenzelm
parents: 17519
diff changeset
   782
equations are proven as rewrite rules. See HOLCF/ex/Fixrec_ex.thy for
wenzelm
parents: 17519
diff changeset
   783
syntax and examples.
wenzelm
parents: 17519
diff changeset
   784
wenzelm
parents: 17519
diff changeset
   785
* New commands 'cpodef' and 'pcpodef' for defining predicate subtypes
wenzelm
parents: 17519
diff changeset
   786
of cpo and pcpo types. Syntax is exactly like the 'typedef' command,
wenzelm
parents: 17519
diff changeset
   787
but the proof obligation additionally includes an admissibility
wenzelm
parents: 17519
diff changeset
   788
requirement. The packages generate instances of class cpo or pcpo,
wenzelm
parents: 17519
diff changeset
   789
with continuity and strictness theorems for Rep and Abs.
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
   790
17584
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
   791
* HOLCF: Many theorems have been renamed according to a more standard naming
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
   792
scheme (INCOMPATIBILITY):
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
   793
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
   794
  foo_inject:  "foo$x = foo$y ==> x = y"
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
   795
  foo_eq:      "(foo$x = foo$y) = (x = y)"
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
   796
  foo_less:    "(foo$x << foo$y) = (x << y)"
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
   797
  foo_strict:  "foo$UU = UU"
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
   798
  foo_defined: "... ==> foo$x ~= UU"
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
   799
  foo_defined_iff: "(foo$x = UU) = (x = UU)"
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
   800
14682
a5072752114c HOLCF: discontinued special version of 'constdefs';
wenzelm
parents: 14655
diff changeset
   801
14885
0a840138dcd7 Groups, Rings and supporting lemmas in ZF
paulson
parents: 14878
diff changeset
   802
*** ZF ***
0a840138dcd7 Groups, Rings and supporting lemmas in ZF
paulson
parents: 14878
diff changeset
   803
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   804
* ZF/ex: theories Group and Ring provide examples in abstract algebra,
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   805
including the First Isomorphism Theorem (on quotienting by the kernel
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   806
of a homomorphism).
15089
430264838064 ZF/Simplifier: second copy of context type solver;
wenzelm
parents: 15076
diff changeset
   807
430264838064 ZF/Simplifier: second copy of context type solver;
wenzelm
parents: 15076
diff changeset
   808
* ZF/Simplifier: install second copy of type solver that actually
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   809
makes use of TC rules declared to Isar proof contexts (or locales);
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   810
the old version is still required for ML proof scripts.
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   811
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   812
17445
3c9c46b820f5 Cube: converted to Isar, use locales;
wenzelm
parents: 17442
diff changeset
   813
*** Cube ***
3c9c46b820f5 Cube: converted to Isar, use locales;
wenzelm
parents: 17442
diff changeset
   814
3c9c46b820f5 Cube: converted to Isar, use locales;
wenzelm
parents: 17442
diff changeset
   815
* Converted to Isar theory format; use locales instead of axiomatic
3c9c46b820f5 Cube: converted to Isar, use locales;
wenzelm
parents: 17442
diff changeset
   816
theories.
3c9c46b820f5 Cube: converted to Isar, use locales;
wenzelm
parents: 17442
diff changeset
   817
3c9c46b820f5 Cube: converted to Isar, use locales;
wenzelm
parents: 17442
diff changeset
   818
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   819
*** ML ***
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   820
15973
wenzelm
parents: 15931
diff changeset
   821
* Pure/library.ML no longer defines its own option datatype, but uses
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   822
that of the SML basis, which has constructors NONE and SOME instead of
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   823
None and Some, as well as exception Option.Option instead of OPTION.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   824
The functions the, if_none, is_some, is_none have been adapted
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   825
accordingly, while Option.map replaces apsome.
15973
wenzelm
parents: 15931
diff changeset
   826
16860
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   827
* Pure/library.ML: the exception LIST has been given up in favour of
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   828
the standard exceptions Empty and Subscript, as well as
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   829
Library.UnequalLengths.  Function like Library.hd and Library.tl are
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   830
superceded by the standard hd and tl functions etc.
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   831
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   832
A number of basic list functions are no longer exported to the ML
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   833
toplevel, as they are variants of predefined functions.  The following
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   834
suggests how one can translate existing code:
15973
wenzelm
parents: 15931
diff changeset
   835
wenzelm
parents: 15931
diff changeset
   836
    rev_append xs ys = List.revAppend (xs, ys)
wenzelm
parents: 15931
diff changeset
   837
    nth_elem (i, xs) = List.nth (xs, i)
wenzelm
parents: 15931
diff changeset
   838
    last_elem xs = List.last xs
wenzelm
parents: 15931
diff changeset
   839
    flat xss = List.concat xss
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   840
    seq fs = List.app fs
15973
wenzelm
parents: 15931
diff changeset
   841
    partition P xs = List.partition P xs
wenzelm
parents: 15931
diff changeset
   842
    mapfilter f xs = List.mapPartial f xs
wenzelm
parents: 15931
diff changeset
   843
16860
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   844
* Pure/library.ML: several combinators for linear functional
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   845
transformations, notably reverse application and composition:
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   846
17371
wenzelm
parents: 17275
diff changeset
   847
  x |> f                f #> g
wenzelm
parents: 17275
diff changeset
   848
  (x, y) |-> f          f #-> g
16860
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   849
17495
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
   850
* Pure/library.ML: introduced/changed precedence of infix operators:
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
   851
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
   852
  infix 1 |> |-> ||> ||>> |>> |>>> #> #->;
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
   853
  infix 2 ?;
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
   854
  infix 3 o oo ooo oooo;
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
   855
  infix 4 ~~ upto downto;
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
   856
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
   857
Maybe INCOMPATIBILITY when any of those is used in conjunction with other
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
   858
infix operators.
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
   859
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   860
* Pure/library.ML: natural list combinators fold, fold_rev, and
16869
bc98da5727be reverted from fold_yield to fold_map
haftmann
parents: 16868
diff changeset
   861
fold_map support linear functional transformations and nesting.  For
16860
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   862
example:
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   863
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   864
  fold f [x1, ..., xN] y =
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   865
    y |> f x1 |> ... |> f xN
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   866
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   867
  (fold o fold) f [xs1, ..., xsN] y =
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   868
    y |> fold f xs1 |> ... |> fold f xsN
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   869
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   870
  fold f [x1, ..., xN] =
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   871
    f x1 #> ... #> f xN
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   872
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   873
  (fold o fold) f [xs1, ..., xsN] =
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   874
    fold f xs1 #> ... #> fold f xsN
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
   875
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   876
* Pure/library.ML: the following selectors on type 'a option are
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   877
available:
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   878
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   879
  the:               'a option -> 'a  (*partial*)
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   880
  these:             'a option -> 'a  where 'a = 'b list
17402
41f1249bce37 AList, the_*
haftmann
parents: 17398
diff changeset
   881
  the_default: 'a -> 'a option -> 'a
41f1249bce37 AList, the_*
haftmann
parents: 17398
diff changeset
   882
  the_list:          'a option -> 'a list
41f1249bce37 AList, the_*
haftmann
parents: 17398
diff changeset
   883
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   884
* Pure/General: structure AList (cf. Pure/General/alist.ML) provides
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   885
basic operations for association lists, following natural argument
17564
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   886
order; moreover the explicit equality predicate passed here avoids
17495
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
   887
potentially expensive polymorphic runtime equality checks.
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
   888
The old functions may be expressed as follows:
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   889
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   890
  assoc = uncurry (AList.lookup (op =))
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   891
  assocs = these oo AList.lookup (op =)
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   892
  overwrite = uncurry (AList.update (op =)) o swap
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   893
17564
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   894
* Pure/General: structure AList (cf. Pure/General/alist.ML) provides
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   895
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   896
  val make: ('a -> 'b) -> 'a list -> ('a * 'b) list
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   897
  val find: ('a * 'b -> bool) -> ('c * 'b) list -> 'a -> 'c list
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   898
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   899
replacing make_keylist and keyfilter (occassionally used)
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   900
Naive rewrites:
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   901
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   902
  make_keylist = AList.make
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   903
  keyfilter = AList.find (op =)
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   904
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   905
* eq_fst and eq_snd now take explicit equality parameter, thus
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   906
  avoiding eqtypes. Naive rewrites:
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   907
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   908
    eq_fst = eq_fst (op =)
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   909
    eq_snd = eq_snd (op =)
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   910
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   911
* Removed deprecated apl and apr (rarely used).
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   912
  Naive rewrites:
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   913
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   914
    apl (n, op) =>>= curry op n
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   915
    apr (op, m) =>>= fn n => op (n, m)
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
   916
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   917
* Pure/General: structure OrdList (cf. Pure/General/ord_list.ML)
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   918
provides a reasonably efficient light-weight implementation of sets as
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   919
lists.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   920
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   921
* Pure/General: generic tables (cf. Pure/General/table.ML) provide a
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   922
few new operations; existing lookup and update are now curried to
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   923
follow natural argument order (for use with fold etc.);
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   924
INCOMPATIBILITY, use (uncurry Symtab.lookup) etc. as last resort.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   925
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   926
* Pure/General: output via the Isabelle channels of
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   927
writeln/warning/error etc. is now passed through Output.output, with a
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   928
hook for arbitrary transformations depending on the print_mode
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   929
(cf. Output.add_mode -- the first active mode that provides a output
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   930
function wins).  Already formatted output may be embedded into further
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   931
text via Output.raw; the result of Pretty.string_of/str_of and derived
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   932
functions (string_of_term/cterm/thm etc.) is already marked raw to
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   933
accommodate easy composition of diagnostic messages etc.  Programmers
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   934
rarely need to care about Output.output or Output.raw at all, with
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   935
some notable exceptions: Output.output is required when bypassing the
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   936
standard channels (writeln etc.), or in token translations to produce
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   937
properly formatted results; Output.raw is required when capturing
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   938
already output material that will eventually be presented to the user
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   939
a second time.  For the default print mode, both Output.output and
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   940
Output.raw have no effect.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   941
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   942
* Pure/General: Output.time_accumulator NAME creates an operator ('a
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   943
-> 'b) -> 'a -> 'b to measure runtime and count invocations; the
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   944
cumulative results are displayed at the end of a batch session.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   945
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   946
* Pure/General: File.sysify_path and File.quote_sysify path have been
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   947
replaced by File.platform_path and File.shell_path (with appropriate
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   948
hooks).  This provides a clean interface for unusual systems where the
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   949
internal and external process view of file names are different.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   950
16689
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
   951
* Pure: more efficient orders for basic syntactic entities: added
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
   952
fast_string_ord, fast_indexname_ord, fast_term_ord; changed sort_ord
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
   953
and typ_ord to use fast_string_ord and fast_indexname_ord (term_ord is
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
   954
NOT affected); structures Symtab, Vartab, Typtab, Termtab use the fast
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
   955
orders now -- potential INCOMPATIBILITY for code that depends on a
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
   956
particular order for Symtab.keys, Symtab.dest, etc. (consider using
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
   957
Library.sort_strings on result).
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
   958
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   959
* Pure/term.ML: combinators fold_atyps, fold_aterms, fold_term_types,
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   960
fold_types traverse types/terms from left to right, observing natural
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   961
argument order.  Supercedes previous foldl_XXX versions, add_frees,
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   962
add_vars etc. have been adapted as well: INCOMPATIBILITY.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   963
16151
cf7f146086bc ML Pure: name spaces have been refined;
wenzelm
parents: 16112
diff changeset
   964
* Pure: name spaces have been refined, with significant changes of the
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   965
internal interfaces -- INCOMPATIBILITY.  Renamed cond_extern(_table)
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   966
to extern(_table).  The plain name entry path is superceded by a
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   967
general 'naming' context, which also includes the 'policy' to produce
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   968
a fully qualified name and external accesses of a fully qualified
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   969
name; NameSpace.extend is superceded by context dependent
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   970
Sign.declare_name.  Several theory and proof context operations modify
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   971
the naming context.  Especially note Theory.restore_naming and
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   972
ProofContext.restore_naming to get back to a sane state; note that
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   973
Theory.add_path is no longer sufficient to recover from
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   974
Theory.absolute_path in particular.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   975
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   976
* Pure: new flags short_names (default false) and unique_names
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   977
(default true) for controlling output of qualified names.  If
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   978
short_names is set, names are printed unqualified.  If unique_names is
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   979
reset, the name prefix is reduced to the minimum required to achieve
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   980
the original result when interning again, even if there is an overlap
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   981
with earlier declarations.
16151
cf7f146086bc ML Pure: name spaces have been refined;
wenzelm
parents: 16112
diff changeset
   982
16456
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   983
* Pure/TheoryDataFun: change of the argument structure; 'prep_ext' is
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   984
now 'extend', and 'merge' gets an additional Pretty.pp argument
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   985
(useful for printing error messages).  INCOMPATIBILITY.
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   986
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   987
* Pure: major reorganization of the theory context.  Type Sign.sg and
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   988
Theory.theory are now identified, referring to the universal
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   989
Context.theory (see Pure/context.ML).  Actual signature and theory
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   990
content is managed as theory data.  The old code and interfaces were
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   991
spread over many files and structures; the new arrangement introduces
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   992
considerable INCOMPATIBILITY to gain more clarity:
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   993
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   994
  Context -- theory management operations (name, identity, inclusion,
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   995
    parents, ancestors, merge, etc.), plus generic theory data;
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   996
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   997
  Sign -- logical signature and syntax operations (declaring consts,
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   998
    types, etc.), plus certify/read for common entities;
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
   999
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
  1000
  Theory -- logical theory operations (stating axioms, definitions,
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
  1001
    oracles), plus a copy of logical signature operations (consts,
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
  1002
    types, etc.); also a few basic management operations (Theory.copy,
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
  1003
    Theory.merge, etc.)
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
  1004
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
  1005
The most basic sign_of operations (Theory.sign_of, Thm.sign_of_thm
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
  1006
etc.) as well as the sign field in Thm.rep_thm etc. have been retained
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
  1007
for convenience -- they merely return the theory.
451f1c46d4ca * Pure/TheoryDataFun: change of the argument structure;
wenzelm
parents: 16373
diff changeset
  1008
17193
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
wenzelm
parents: 17189
diff changeset
  1009
* Pure: type Type.tsig is superceded by theory in most interfaces.
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
wenzelm
parents: 17189
diff changeset
  1010
16547
09f7a953d2d6 * Pure: the Isar proof context type is already defined early in Pure
wenzelm
parents: 16506
diff changeset
  1011
* Pure: the Isar proof context type is already defined early in Pure
09f7a953d2d6 * Pure: the Isar proof context type is already defined early in Pure
wenzelm
parents: 16506
diff changeset
  1012
as Context.proof (note that ProofContext.context and Proof.context are
09f7a953d2d6 * Pure: the Isar proof context type is already defined early in Pure
wenzelm
parents: 16506
diff changeset
  1013
aliases, where the latter is the preferred name).  This enables other
09f7a953d2d6 * Pure: the Isar proof context type is already defined early in Pure
wenzelm
parents: 16506
diff changeset
  1014
Isabelle components to refer to that type even before Isar is present.
09f7a953d2d6 * Pure: the Isar proof context type is already defined early in Pure
wenzelm
parents: 16506
diff changeset
  1015
16373
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1016
* Pure/sign/theory: discontinued named name spaces (i.e. classK,
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1017
typeK, constK, axiomK, oracleK), but provide explicit operations for
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1018
any of these kinds.  For example, Sign.intern typeK is now
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1019
Sign.intern_type, Theory.hide_space Sign.typeK is now
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1020
Theory.hide_types.  Also note that former
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1021
Theory.hide_classes/types/consts are now
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1022
Theory.hide_classes_i/types_i/consts_i, while the non '_i' versions
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1023
internalize their arguments!  INCOMPATIBILITY.
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1024
16506
b2687ce38433 * Pure: get_thm interface expects datatype thmref;
wenzelm
parents: 16456
diff changeset
  1025
* Pure: get_thm interface (of PureThy and ProofContext) expects
b2687ce38433 * Pure: get_thm interface expects datatype thmref;
wenzelm
parents: 16456
diff changeset
  1026
datatype thmref (with constructors Name and NameSelection) instead of
b2687ce38433 * Pure: get_thm interface expects datatype thmref;
wenzelm
parents: 16456
diff changeset
  1027
plain string -- INCOMPATIBILITY;
b2687ce38433 * Pure: get_thm interface expects datatype thmref;
wenzelm
parents: 16456
diff changeset
  1028
16151
cf7f146086bc ML Pure: name spaces have been refined;
wenzelm
parents: 16112
diff changeset
  1029
* Pure: cases produced by proof methods specify options, where NONE
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1030
means to remove case bindings -- INCOMPATIBILITY in
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1031
(RAW_)METHOD_CASES.
16151
cf7f146086bc ML Pure: name spaces have been refined;
wenzelm
parents: 16112
diff changeset
  1032
16373
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1033
* Pure: the following operations retrieve axioms or theorems from a
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1034
theory node or theory hierarchy, respectively:
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1035
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1036
  Theory.axioms_of: theory -> (string * term) list
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1037
  Theory.all_axioms_of: theory -> (string * term) list
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1038
  PureThy.thms_of: theory -> (string * thm) list
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1039
  PureThy.all_thms_of: theory -> (string * thm) list
9d020423093b * Pure/sign/theory: discontinued named name spaces;
wenzelm
parents: 16251
diff changeset
  1040
16718
70c94b82c556 * Pure: Output.time_accumulator;
wenzelm
parents: 16717
diff changeset
  1041
* Pure: print_tac now outputs the goal through the trace channel.
70c94b82c556 * Pure: Output.time_accumulator;
wenzelm
parents: 16717
diff changeset
  1042
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1043
* Isar toplevel: improved diagnostics, mostly for Poly/ML only.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1044
Reference Toplevel.debug (default false) controls detailed printing
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1045
and tracing of low-level exceptions; Toplevel.profiling (default 0)
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1046
controls execution profiling -- set to 1 for time and 2 for space
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1047
(both increase the runtime).
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1048
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1049
* Isar session: The initial use of ROOT.ML is now always timed,
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1050
i.e. the log will show the actual process times, in contrast to the
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1051
elapsed wall-clock time that the outer shell wrapper produces.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1052
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1053
* Simplifier: improved handling of bound variables (nameless
16997
7dfc99f62dd9 * Pure/Simplifier: improved handling of bound variables;
wenzelm
parents: 16962
diff changeset
  1054
representation, avoid allocating new strings).  Simprocs that invoke
7dfc99f62dd9 * Pure/Simplifier: improved handling of bound variables;
wenzelm
parents: 16962
diff changeset
  1055
the Simplifier recursively should use Simplifier.inherit_bounds to
17720
da9199e6b674 Isabelle2005 (October 2005);
wenzelm
parents: 17701
diff changeset
  1056
avoid local name clashes.  Failure to do so produces warnings
da9199e6b674 Isabelle2005 (October 2005);
wenzelm
parents: 17701
diff changeset
  1057
"Simplifier: renamed bound variable ..."; set Simplifier.debug_bounds
da9199e6b674 Isabelle2005 (October 2005);
wenzelm
parents: 17701
diff changeset
  1058
for further details.
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1059
17166
wenzelm
parents: 17139
diff changeset
  1060
* ML functions legacy_bindings and use_legacy_bindings produce ML fact
wenzelm
parents: 17139
diff changeset
  1061
bindings for all theorems stored within a given theory; this may help
wenzelm
parents: 17139
diff changeset
  1062
in porting non-Isar theories to Isar ones, while keeping ML proof
wenzelm
parents: 17139
diff changeset
  1063
scripts for the time being.
wenzelm
parents: 17139
diff changeset
  1064
17457
5b9538fc6d67 HTML.with_charset;
wenzelm
parents: 17445
diff changeset
  1065
* ML operator HTML.with_charset specifies the charset begin used for
5b9538fc6d67 HTML.with_charset;
wenzelm
parents: 17445
diff changeset
  1066
generated HTML files.  For example:
5b9538fc6d67 HTML.with_charset;
wenzelm
parents: 17445
diff changeset
  1067
5b9538fc6d67 HTML.with_charset;
wenzelm
parents: 17445
diff changeset
  1068
  HTML.with_charset "utf-8" use_thy "Hebrew";
17538
wenzelm
parents: 17535
diff changeset
  1069
  HTML.with_charset "utf-8" use_thy "Chinese";
17457
5b9538fc6d67 HTML.with_charset;
wenzelm
parents: 17445
diff changeset
  1070
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1071
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1072
*** System ***
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1073
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1074
* Allow symlinks to all proper Isabelle executables (Isabelle,
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1075
isabelle, isatool etc.).
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1076
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1077
* ISABELLE_DOC_FORMAT setting specifies preferred document format (for
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1078
isatool doc, isatool mkdir, display_drafts etc.).
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1079
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1080
* isatool usedir: option -f allows specification of the ML file to be
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1081
used by Isabelle; default is ROOT.ML.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1082
16251
121dc80d120a * ML: replaced File.sysify_path/quote_sysify_path by File.platform_path/shell_path;
wenzelm
parents: 16234
diff changeset
  1083
* New isatool version outputs the version identifier of the Isabelle
121dc80d120a * ML: replaced File.sysify_path/quote_sysify_path by File.platform_path/shell_path;
wenzelm
parents: 16234
diff changeset
  1084
distribution being used.
121dc80d120a * ML: replaced File.sysify_path/quote_sysify_path by File.platform_path/shell_path;
wenzelm
parents: 16234
diff changeset
  1085
121dc80d120a * ML: replaced File.sysify_path/quote_sysify_path by File.platform_path/shell_path;
wenzelm
parents: 16234
diff changeset
  1086
* HOL: new isatool dimacs2hol converts files in DIMACS CNF format
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1087
(containing Boolean satisfiability problems) into Isabelle/HOL
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1088
theories.
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
  1089
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
  1090
14655
8a95abf87dd3 Pure: considerably improved version of 'constdefs' command;
wenzelm
parents: 14624
diff changeset
  1091
14606
0be6c11e7128 Pure: 'instance' now handles general arities;
wenzelm
parents: 14602
diff changeset
  1092
New in Isabelle2004 (April 2004)
0be6c11e7128 Pure: 'instance' now handles general arities;
wenzelm
parents: 14602
diff changeset
  1093
--------------------------------
13280
306ef3aef61b * improved thms_containing: proper indexing of facts instead of raw
wenzelm
parents: 13190
diff changeset
  1094
14171
0cab06e3bbd0 Extended the notion of letter and digit, such that now one may use greek,
skalberg
parents: 14136
diff changeset
  1095
*** General ***
0cab06e3bbd0 Extended the notion of letter and digit, such that now one may use greek,
skalberg
parents: 14136
diff changeset
  1096
14398
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1097
* Provers/order.ML:  new efficient reasoner for partial and linear orders.
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1098
  Replaces linorder.ML.
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1099
14606
0be6c11e7128 Pure: 'instance' now handles general arities;
wenzelm
parents: 14602
diff changeset
  1100
* Pure: Greek letters (except small lambda, \<lambda>), as well as Gothic
0be6c11e7128 Pure: 'instance' now handles general arities;
wenzelm
parents: 14602
diff changeset
  1101
  (\<aa>...\<zz>\<AA>...\<ZZ>), calligraphic (\<A>...\<Z>), and Euler
14173
a3690aeb79d4 Removed the extended digits again.
skalberg
parents: 14172
diff changeset
  1102
  (\<a>...\<z>), are now considered normal letters, and can therefore
a3690aeb79d4 Removed the extended digits again.
skalberg
parents: 14172
diff changeset
  1103
  be used anywhere where an ASCII letter (a...zA...Z) has until
a3690aeb79d4 Removed the extended digits again.
skalberg
parents: 14172
diff changeset
  1104
  now. COMPATIBILITY: This obviously changes the parsing of some
a3690aeb79d4 Removed the extended digits again.
skalberg
parents: 14172
diff changeset
  1105
  terms, especially where a symbol has been used as a binder, say
a3690aeb79d4 Removed the extended digits again.
skalberg
parents: 14172
diff changeset
  1106
  '\<Pi>x. ...', which is now a type error since \<Pi>x will be parsed
a3690aeb79d4 Removed the extended digits again.
skalberg
parents: 14172
diff changeset
  1107
  as an identifier.  Fix it by inserting a space around former
a3690aeb79d4 Removed the extended digits again.
skalberg
parents: 14172
diff changeset
  1108
  symbols.  Call 'isatool fixgreek' to try to fix parsing errors in
a3690aeb79d4 Removed the extended digits again.
skalberg
parents: 14172
diff changeset
  1109
  existing theory and ML files.
14171
0cab06e3bbd0 Extended the notion of letter and digit, such that now one may use greek,
skalberg
parents: 14136
diff changeset
  1110
14237
a486123e24a5 line-breaks; rewording
paulson
parents: 14234
diff changeset
  1111
* Pure: Macintosh and Windows line-breaks are now allowed in theory files.
a486123e24a5 line-breaks; rewording
paulson
parents: 14234
diff changeset
  1112
14731
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1113
* Pure: single letter sub/superscripts (\<^isub> and \<^isup>) are now
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1114
  allowed in identifiers. Similar to Greek letters \<^isub> is now considered
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1115
  a normal (but invisible) letter. For multiple letter subscripts repeat
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1116
  \<^isub> like this: x\<^isub>1\<^isub>2.
14233
f6b6b2c55141 allow \<^sub> in identifiers
kleing
parents: 14224
diff changeset
  1117
14333
14f29eb097a3 \<^bsub> .. \<^esub>
kleing
parents: 14285
diff changeset
  1118
* Pure: There are now sub-/superscripts that can span more than one
14f29eb097a3 \<^bsub> .. \<^esub>
kleing
parents: 14285
diff changeset
  1119
  character. Text between \<^bsub> and \<^esub> is set in subscript in
14606
0be6c11e7128 Pure: 'instance' now handles general arities;
wenzelm
parents: 14602
diff changeset
  1120
  ProofGeneral and LaTeX, text between \<^bsup> and \<^esup> in
0be6c11e7128 Pure: 'instance' now handles general arities;
wenzelm
parents: 14602
diff changeset
  1121
  superscript. The new control characters are not identifier parts.
14333
14f29eb097a3 \<^bsub> .. \<^esub>
kleing
parents: 14285
diff changeset
  1122
14561
c53396af770e * raw control symbols are of the form \<^raw:...> now.
schirmer
parents: 14556
diff changeset
  1123
* Pure: Control-symbols of the form \<^raw:...> will literally print the
14606
0be6c11e7128 Pure: 'instance' now handles general arities;
wenzelm
parents: 14602
diff changeset
  1124
  content of "..." to the latex file instead of \isacntrl... . The "..."
0be6c11e7128 Pure: 'instance' now handles general arities;
wenzelm
parents: 14602
diff changeset
  1125
  may consist of any printable characters excluding the end bracket >.
14361
ad2f5da643b4 * Support for raw latex output in control symbols: \<^raw...>
schirmer
parents: 14333
diff changeset
  1126
14237
a486123e24a5 line-breaks; rewording
paulson
parents: 14234
diff changeset
  1127
* Pure: Using new Isar command "finalconsts" (or the ML functions
a486123e24a5 line-breaks; rewording
paulson
parents: 14234
diff changeset
  1128
  Theory.add_finals or Theory.add_finals_i) it is now possible to
a486123e24a5 line-breaks; rewording
paulson
parents: 14234
diff changeset
  1129
  declare constants "final", which prevents their being given a definition
a486123e24a5 line-breaks; rewording
paulson
parents: 14234
diff changeset
  1130
  later.  It is useful for constants whose behaviour is fixed axiomatically
14224
442c097c1437 Added info on the new 'finalconsts' command.
skalberg
parents: 14211
diff changeset
  1131
  rather than definitionally, such as the meta-logic connectives.
442c097c1437 Added info on the new 'finalconsts' command.
skalberg
parents: 14211
diff changeset
  1132
14606
0be6c11e7128 Pure: 'instance' now handles general arities;
wenzelm
parents: 14602
diff changeset
  1133
* Pure: 'instance' now handles general arities with general sorts
0be6c11e7128 Pure: 'instance' now handles general arities;
wenzelm
parents: 14602
diff changeset
  1134
  (i.e. intersections of classes),
14503
255ad604e08e Added check that Theory.ML does not occur in the files section of the theory
skalberg
parents: 14480
diff changeset
  1135
14547
e0c0179100c9 isabelle.css
kleing
parents: 14536
diff changeset
  1136
* Presentation: generated HTML now uses a CSS style sheet to make layout
14731
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1137
  (somewhat) independent of content. It is copied from lib/html/isabelle.css.
14547
e0c0179100c9 isabelle.css
kleing
parents: 14536
diff changeset
  1138
  It can be changed to alter the colors/layout of generated pages.
e0c0179100c9 isabelle.css
kleing
parents: 14536
diff changeset
  1139
14556
c5078f6c99a9 * Calculation commands "moreover" and "also" no longer interfere with
wenzelm
parents: 14551
diff changeset
  1140
14175
dbd16ebaf907 Method rule_tac understands Isar contexts: documentation.
ballarin
parents: 14173
diff changeset
  1141
*** Isar ***
dbd16ebaf907 Method rule_tac understands Isar contexts: documentation.
ballarin
parents: 14173
diff changeset
  1142
14508
859b11514537 Experimental command for instantiation of locales in proof contexts:
ballarin
parents: 14503
diff changeset
  1143
* Tactic emulation methods rule_tac, erule_tac, drule_tac, frule_tac,
859b11514537 Experimental command for instantiation of locales in proof contexts:
ballarin
parents: 14503
diff changeset
  1144
  cut_tac, subgoal_tac and thin_tac:
14175
dbd16ebaf907 Method rule_tac understands Isar contexts: documentation.
ballarin
parents: 14173
diff changeset
  1145
  - Now understand static (Isar) contexts.  As a consequence, users of Isar
dbd16ebaf907 Method rule_tac understands Isar contexts: documentation.
ballarin
parents: 14173
diff changeset
  1146
    locales are no longer forced to write Isar proof scripts.
dbd16ebaf907 Method rule_tac understands Isar contexts: documentation.
ballarin
parents: 14173
diff changeset
  1147
    For details see Isar Reference Manual, paragraph 4.3.2: Further tactic
dbd16ebaf907 Method rule_tac understands Isar contexts: documentation.
ballarin
parents: 14173
diff changeset
  1148
    emulations.
dbd16ebaf907 Method rule_tac understands Isar contexts: documentation.
ballarin
parents: 14173
diff changeset
  1149
  - INCOMPATIBILITY: names of variables to be instantiated may no
14211
7286c187596d Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents: 14199
diff changeset
  1150
    longer be enclosed in quotes.  Instead, precede variable name with `?'.
7286c187596d Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents: 14199
diff changeset
  1151
    This is consistent with the instantiation attribute "where".
7286c187596d Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents: 14199
diff changeset
  1152
14257
a7ef3f7588c5 Type inference bug in Isar attributes "where" and "of" fixed.
ballarin
parents: 14255
diff changeset
  1153
* Attributes "where" and "of":
14285
92ed032e83a1 Isar: where attribute supports instantiation of type vars.
ballarin
parents: 14283
diff changeset
  1154
  - Now take type variables of instantiated theorem into account when reading
92ed032e83a1 Isar: where attribute supports instantiation of type vars.
ballarin
parents: 14283
diff changeset
  1155
    the instantiation string.  This fixes a bug that caused instantiated
92ed032e83a1 Isar: where attribute supports instantiation of type vars.
ballarin
parents: 14283
diff changeset
  1156
    theorems to have too special types in some circumstances.
92ed032e83a1 Isar: where attribute supports instantiation of type vars.
ballarin
parents: 14283
diff changeset
  1157
  - "where" permits explicit instantiations of type variables.
14257
a7ef3f7588c5 Type inference bug in Isar attributes "where" and "of" fixed.
ballarin
parents: 14255
diff changeset
  1158
14556
c5078f6c99a9 * Calculation commands "moreover" and "also" no longer interfere with
wenzelm
parents: 14551
diff changeset
  1159
* Calculation commands "moreover" and "also" no longer interfere with
c5078f6c99a9 * Calculation commands "moreover" and "also" no longer interfere with
wenzelm
parents: 14551
diff changeset
  1160
  current facts ("this"), admitting arbitrary combinations with "then"
c5078f6c99a9 * Calculation commands "moreover" and "also" no longer interfere with
wenzelm
parents: 14551
diff changeset
  1161
  and derived forms.
14283
516358ca7b42 moreover and also do not reset facts any more
kleing
parents: 14257
diff changeset
  1162
14211
7286c187596d Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents: 14199
diff changeset
  1163
* Locales:
7286c187596d Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents: 14199
diff changeset
  1164
  - Goal statements involving the context element "includes" no longer
7286c187596d Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents: 14199
diff changeset
  1165
    generate theorems with internal delta predicates (those ending on
7286c187596d Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents: 14199
diff changeset
  1166
    "_axioms") in the premise.
7286c187596d Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents: 14199
diff changeset
  1167
    Resolve particular premise with <locale>.intro to obtain old form.
7286c187596d Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents: 14199
diff changeset
  1168
  - Fixed bug in type inference ("unify_frozen") that prevented mix of target
7286c187596d Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents: 14199
diff changeset
  1169
    specification and "includes" elements in goal statement.
14254
342634f38451 Isar/Locales: <loc>.intro and <loc>.axioms no longer intro? and elim? by
ballarin
parents: 14243
diff changeset
  1170
  - Rule sets <locale>.intro and <locale>.axioms no longer declared as
342634f38451 Isar/Locales: <loc>.intro and <loc>.axioms no longer intro? and elim? by
ballarin
parents: 14243
diff changeset
  1171
    [intro?] and [elim?] (respectively) by default.
14508
859b11514537 Experimental command for instantiation of locales in proof contexts:
ballarin
parents: 14503
diff changeset
  1172
  - Experimental command for instantiation of locales in proof contexts:
14551
2cb6ff394bfb Various changes to HOL-Algebra;
ballarin
parents: 14547
diff changeset
  1173
        instantiate <label>[<attrs>]: <loc>
14508
859b11514537 Experimental command for instantiation of locales in proof contexts:
ballarin
parents: 14503
diff changeset
  1174
    Instantiates locale <loc> and adds all its theorems to the current context
14551
2cb6ff394bfb Various changes to HOL-Algebra;
ballarin
parents: 14547
diff changeset
  1175
    taking into account their attributes.  Label and attrs are optional
2cb6ff394bfb Various changes to HOL-Algebra;
ballarin
parents: 14547
diff changeset
  1176
    modifiers, like in theorem declarations.  If present, names of
2cb6ff394bfb Various changes to HOL-Algebra;
ballarin
parents: 14547
diff changeset
  1177
    instantiated theorems are qualified with <label>, and the attributes
2cb6ff394bfb Various changes to HOL-Algebra;
ballarin
parents: 14547
diff changeset
  1178
    <attrs> are applied after any attributes these theorems might have already.
2cb6ff394bfb Various changes to HOL-Algebra;
ballarin
parents: 14547
diff changeset
  1179
      If the locale has assumptions, a chained fact of the form
14508
859b11514537 Experimental command for instantiation of locales in proof contexts:
ballarin
parents: 14503
diff changeset
  1180
    "<loc> t1 ... tn" is expected from which instantiations of the parameters
14551
2cb6ff394bfb Various changes to HOL-Algebra;
ballarin
parents: 14547
diff changeset
  1181
    are derived.  The command does not support old-style locales declared
2cb6ff394bfb Various changes to HOL-Algebra;
ballarin
parents: 14547
diff changeset
  1182
    with "locale (open)".
2cb6ff394bfb Various changes to HOL-Algebra;
ballarin
parents: 14547
diff changeset
  1183
      A few (very simple) examples can be found in FOL/ex/LocaleInst.thy.
14175
dbd16ebaf907 Method rule_tac understands Isar contexts: documentation.
ballarin
parents: 14173
diff changeset
  1184
dbd16ebaf907 Method rule_tac understands Isar contexts: documentation.
ballarin
parents: 14173
diff changeset
  1185
* HOL: Tactic emulation methods induct_tac and case_tac understand static
dbd16ebaf907 Method rule_tac understands Isar contexts: documentation.
ballarin
parents: 14173
diff changeset
  1186
  (Isar) contexts.
dbd16ebaf907 Method rule_tac understands Isar contexts: documentation.
ballarin
parents: 14173
diff changeset
  1187
14556
c5078f6c99a9 * Calculation commands "moreover" and "also" no longer interfere with
wenzelm
parents: 14551
diff changeset
  1188
14136
9b7a62788dac opened new section for next Isabelle release
kleing
parents: 14119
diff changeset
  1189
*** HOL ***
9b7a62788dac opened new section for next Isabelle release
kleing
parents: 14119
diff changeset
  1190
14624
9b3397a848c3 add HOL4
kleing
parents: 14610
diff changeset
  1191
* Proof import: new image HOL4 contains the imported library from
9b3397a848c3 add HOL4
kleing
parents: 14610
diff changeset
  1192
  the HOL4 system with about 2500 theorems. It is imported by
9b3397a848c3 add HOL4
kleing
parents: 14610
diff changeset
  1193
  replaying proof terms produced by HOL4 in Isabelle. The HOL4 image
9b3397a848c3 add HOL4
kleing
parents: 14610
diff changeset
  1194
  can be used like any other Isabelle image.  See
9b3397a848c3 add HOL4
kleing
parents: 14610
diff changeset
  1195
  HOL/Import/HOL/README for more information.
9b3397a848c3 add HOL4
kleing
parents: 14610
diff changeset
  1196
14398
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1197
* Simplifier:
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1198
  - Much improved handling of linear and partial orders.
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1199
    Reasoners for linear and partial orders are set up for type classes
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1200
    "linorder" and "order" respectively, and are added to the default simpset
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1201
    as solvers.  This means that the simplifier can build transitivity chains
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1202
    to solve goals from the assumptions.
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1203
  - INCOMPATIBILITY: old proofs break occasionally.  Typically, applications
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1204
    of blast or auto after simplification become unnecessary because the goal
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1205
    is solved by simplification already.
c5c47703f763 Efficient, graph-based reasoner for linear and partial orders.
ballarin
parents: 14389
diff changeset
  1206
14731
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1207
* Numerics: new theory Ring_and_Field contains over 250 basic numerical laws,
14389
paulson
parents: 14380
diff changeset
  1208
    all proved in axiomatic type classes for semirings, rings and fields.
paulson
parents: 14380
diff changeset
  1209
paulson
parents: 14380
diff changeset
  1210
* Numerics:
paulson
parents: 14380
diff changeset
  1211
  - Numeric types (nat, int, and in HOL-Complex rat, real, complex, etc.) are
14731
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1212
    now formalized using the Ring_and_Field theory mentioned above.
14389
paulson
parents: 14380
diff changeset
  1213
  - INCOMPATIBILITY: simplification and arithmetic behaves somewhat differently
paulson
parents: 14380
diff changeset
  1214
    than before, because now they are set up once in a generic manner.
14731
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1215
  - INCOMPATIBILITY: many type-specific arithmetic laws have gone.
14480
14b7923b3307 clarified
paulson
parents: 14464
diff changeset
  1216
    Look for the general versions in Ring_and_Field (and Power if they concern
14b7923b3307 clarified
paulson
parents: 14464
diff changeset
  1217
    exponentiation).
14389
paulson
parents: 14380
diff changeset
  1218
14401
477380c74c1d removal of the legacy ML structure List
paulson
parents: 14399
diff changeset
  1219
* Type "rat" of the rational numbers is now available in HOL-Complex.
14389
paulson
parents: 14380
diff changeset
  1220
14255
e6e3e3f0deed Records:
schirmer
parents: 14254
diff changeset
  1221
* Records:
e6e3e3f0deed Records:
schirmer
parents: 14254
diff changeset
  1222
  - Record types are now by default printed with their type abbreviation
e6e3e3f0deed Records:
schirmer
parents: 14254
diff changeset
  1223
    instead of the list of all field types. This can be configured via
e6e3e3f0deed Records:
schirmer
parents: 14254
diff changeset
  1224
    the reference "print_record_type_abbr".
14731
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1225
  - Simproc "record_upd_simproc" for simplification of multiple updates added
14255
e6e3e3f0deed Records:
schirmer
parents: 14254
diff changeset
  1226
    (not enabled by default).
14427
cea7d2f76112 added record_ex_sel_eq_simproc
schirmer
parents: 14418
diff changeset
  1227
  - Simproc "record_ex_sel_eq_simproc" to simplify EX x. sel r = x resp.
cea7d2f76112 added record_ex_sel_eq_simproc
schirmer
parents: 14418
diff changeset
  1228
    EX x. x = sel r to True (not enabled by default).
14255
e6e3e3f0deed Records:
schirmer
parents: 14254
diff changeset
  1229
  - Tactic "record_split_simp_tac" to split and simplify records added.
14731
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1230
14136
9b7a62788dac opened new section for next Isabelle release
kleing
parents: 14119
diff changeset
  1231
* 'specification' command added, allowing for definition by
14224
442c097c1437 Added info on the new 'finalconsts' command.
skalberg
parents: 14211
diff changeset
  1232
  specification.  There is also an 'ax_specification' command that
442c097c1437 Added info on the new 'finalconsts' command.
skalberg
parents: 14211
diff changeset
  1233
  introduces the new constants axiomatically.
14136
9b7a62788dac opened new section for next Isabelle release
kleing
parents: 14119
diff changeset
  1234
14375
a545da363b23 *** empty log message ***
nipkow
parents: 14361
diff changeset
  1235
* arith(_tac) is now able to generate counterexamples for reals as well.
a545da363b23 *** empty log message ***
nipkow
parents: 14361
diff changeset
  1236
14399
dc677b35e54f New lemmas about inversion of restricted functions.
ballarin
parents: 14398
diff changeset
  1237
* HOL-Algebra: new locale "ring" for non-commutative rings.
dc677b35e54f New lemmas about inversion of restricted functions.
ballarin
parents: 14398
diff changeset
  1238
14243
0e2ec694784d recursion
paulson
parents: 14237
diff changeset
  1239
* HOL-ex: InductiveInvariant_examples illustrates advanced recursive function
14610
9c2e31e483b2 added HOL-Matrix, added HOL/Matrix/ROOT.ML
kleing
parents: 14606
diff changeset
  1240
  definitions, thanks to Sava Krsti\'{c} and John Matthews.
9c2e31e483b2 added HOL-Matrix, added HOL/Matrix/ROOT.ML
kleing
parents: 14606
diff changeset
  1241
14731
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1242
* HOL-Matrix: a first theory for matrices in HOL with an application of
14610
9c2e31e483b2 added HOL-Matrix, added HOL/Matrix/ROOT.ML
kleing
parents: 14606
diff changeset
  1243
  matrix theory to linear programming.
14136
9b7a62788dac opened new section for next Isabelle release
kleing
parents: 14119
diff changeset
  1244
14380
04b603a6f17d *** empty log message ***
nipkow
parents: 14375
diff changeset
  1245
* Unions and Intersections:
15119
e5f167042c1d undid UN/INT xsymbol syntax with subscripts.
nipkow
parents: 15103
diff changeset
  1246
  The latex output syntax of UN and INT has been changed
e5f167042c1d undid UN/INT xsymbol syntax with subscripts.
nipkow
parents: 15103
diff changeset
  1247
  from "\Union x \in A. B" to "\Union_{x \in A} B"
e5f167042c1d undid UN/INT xsymbol syntax with subscripts.
nipkow
parents: 15103
diff changeset
  1248
  i.e. the index formulae has become a subscript.
e5f167042c1d undid UN/INT xsymbol syntax with subscripts.
nipkow
parents: 15103
diff changeset
  1249
  Similarly for "\Union x. B", and for \Inter instead of \Union.
14380
04b603a6f17d *** empty log message ***
nipkow
parents: 14375
diff changeset
  1250
14418
b62323c85134 union/intersection over intervals
kleing
parents: 14401
diff changeset
  1251
* Unions and Intersections over Intervals:
14731
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1252
  There is new short syntax "UN i<=n. A" for "UN i:{0..n}. A". There is
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1253
  also an x-symbol version with subscripts "\<Union>\<^bsub>i <= n\<^esub>. A"
14418
b62323c85134 union/intersection over intervals
kleing
parents: 14401
diff changeset
  1254
  like in normal math, and corresponding versions for < and for intersection.
b62323c85134 union/intersection over intervals
kleing
parents: 14401
diff changeset
  1255
15677
8770edbf8f28 *** empty log message ***
nipkow
parents: 15570
diff changeset
  1256
* HOL/List: Ordering "lexico" is renamed "lenlex" and the standard
8770edbf8f28 *** empty log message ***
nipkow
parents: 15570
diff changeset
  1257
  lexicographic dictonary ordering has been added as "lexord".
8770edbf8f28 *** empty log message ***
nipkow
parents: 15570
diff changeset
  1258
14401
477380c74c1d removal of the legacy ML structure List
paulson
parents: 14399
diff changeset
  1259
* ML: the legacy theory structures Int and List have been removed. They had
477380c74c1d removal of the legacy ML structure List
paulson
parents: 14399
diff changeset
  1260
  conflicted with ML Basis Library structures having the same names.
14380
04b603a6f17d *** empty log message ***
nipkow
parents: 14375
diff changeset
  1261
14464
webertj
parents: 14427
diff changeset
  1262
* 'refute' command added to search for (finite) countermodels.  Only works
webertj
parents: 14427
diff changeset
  1263
  for a fragment of HOL.  The installation of an external SAT solver is
webertj
parents: 14427
diff changeset
  1264
  highly recommended.  See "HOL/Refute.thy" for details.
webertj
parents: 14427
diff changeset
  1265
14602
e06ded775eca Added entry for quickcheck command.
berghofe
parents: 14572
diff changeset
  1266
* 'quickcheck' command: Allows to find counterexamples by evaluating
e06ded775eca Added entry for quickcheck command.
berghofe
parents: 14572
diff changeset
  1267
  formulae under an assignment of free variables to random values.
e06ded775eca Added entry for quickcheck command.
berghofe
parents: 14572
diff changeset
  1268
  In contrast to 'refute', it can deal with inductive datatypes,
e06ded775eca Added entry for quickcheck command.
berghofe
parents: 14572
diff changeset
  1269
  but cannot handle quantifiers. See "HOL/ex/Quickcheck_Examples.thy"
e06ded775eca Added entry for quickcheck command.
berghofe
parents: 14572
diff changeset
  1270
  for examples.
14464
webertj
parents: 14427
diff changeset
  1271
14606
0be6c11e7128 Pure: 'instance' now handles general arities;
wenzelm
parents: 14602
diff changeset
  1272
14536
43e436a4f293 added HOLCF/Streams.thy (with concatenation etc.)
oheimb
parents: 14508
diff changeset
  1273
*** HOLCF ***
43e436a4f293 added HOLCF/Streams.thy (with concatenation etc.)
oheimb
parents: 14508
diff changeset
  1274
43e436a4f293 added HOLCF/Streams.thy (with concatenation etc.)
oheimb
parents: 14508
diff changeset
  1275
* Streams now come with concatenation and are part of the HOLCF image
43e436a4f293 added HOLCF/Streams.thy (with concatenation etc.)
oheimb
parents: 14508
diff changeset
  1276
14572
wenzelm
parents: 14561
diff changeset
  1277
wenzelm
parents: 14561
diff changeset
  1278
14136
9b7a62788dac opened new section for next Isabelle release
kleing
parents: 14119
diff changeset
  1279
New in Isabelle2003 (May 2003)
14606
0be6c11e7128 Pure: 'instance' now handles general arities;
wenzelm
parents: 14602
diff changeset
  1280
------------------------------
14136
9b7a62788dac opened new section for next Isabelle release
kleing
parents: 14119
diff changeset
  1281
13280
306ef3aef61b * improved thms_containing: proper indexing of facts instead of raw
wenzelm
parents: 13190
diff changeset
  1282
*** General ***
306ef3aef61b * improved thms_containing: proper indexing of facts instead of raw
wenzelm
parents: 13190
diff changeset
  1283
13618
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1284
* Provers/simplifier:
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1285
13781
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1286
  - Completely reimplemented method simp (ML: Asm_full_simp_tac):
13618
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1287
    Assumptions are now subject to complete mutual simplification,
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1288
    not just from left to right. The simplifier now preserves
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1289
    the order of assumptions.
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1290
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1291
    Potential INCOMPATIBILITY:
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1292
13781
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1293
    -- simp sometimes diverges where the old version did
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1294
       not, e.g. invoking simp on the goal
13618
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1295
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1296
        [| P (f x); y = x; f x = f y |] ==> Q
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1297
13781
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1298
       now gives rise to the infinite reduction sequence
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1299
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1300
        P(f x) --(f x = f y)--> P(f y) --(y = x)--> P(f x) --(f x = f y)--> ...
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1301
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1302
       Using "simp (asm_lr)" (ML: Asm_lr_simp_tac) instead often solves this
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1303
       kind of problem.
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1304
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1305
    -- Tactics combining classical reasoner and simplification (such as auto)
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1306
       are also affected by this change, because many of them rely on
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1307
       simp. They may sometimes diverge as well or yield a different numbers
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1308
       of subgoals. Try to use e.g. force, fastsimp, or safe instead of auto
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1309
       in case of problems. Sometimes subsequent calls to the classical
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1310
       reasoner will fail because a preceeding call to the simplifier too
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1311
       eagerly simplified the goal, e.g. deleted redundant premises.
13618
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1312
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1313
  - The simplifier trace now shows the names of the applied rewrite rules
12290bdce807 Added some comments on new simplifier.
berghofe
parents: 13613
diff changeset
  1314
13829
af0218406395 *** empty log message ***
nipkow
parents: 13824
diff changeset
  1315
  - You can limit the number of recursive invocations of the simplifier
af0218406395 *** empty log message ***
nipkow
parents: 13824
diff changeset
  1316
    during conditional rewriting (where the simplifie tries to solve the
af0218406395 *** empty log message ***
nipkow
parents: 13824
diff changeset
  1317
    conditions before applying the rewrite rule):
af0218406395 *** empty log message ***
nipkow
parents: 13824
diff changeset
  1318
    ML "simp_depth_limit := n"
af0218406395 *** empty log message ***
nipkow
parents: 13824
diff changeset
  1319
    where n is an integer. Thus you can force termination where previously
af0218406395 *** empty log message ***
nipkow
parents: 13824
diff changeset
  1320
    the simplifier would diverge.
af0218406395 *** empty log message ***
nipkow
parents: 13824
diff changeset
  1321
13835
12b2ffbe543a Change to meta simplifier: congruence rules may now have frees as head of term.
ballarin
parents: 13829
diff changeset
  1322
  - Accepts free variables as head terms in congruence rules.  Useful in Isar.
13829
af0218406395 *** empty log message ***
nipkow
parents: 13824
diff changeset
  1323
13938
b033b53d0c1e Simplifier: congruence rule update.
ballarin
parents: 13899
diff changeset
  1324
  - No longer aborts on failed congruence proof.  Instead, the
b033b53d0c1e Simplifier: congruence rule update.
ballarin
parents: 13899
diff changeset
  1325
    congruence is ignored.
b033b53d0c1e Simplifier: congruence rule update.
ballarin
parents: 13899
diff changeset
  1326
14008
f843528b9f3c Program extraction framework.
berghofe
parents: 13995
diff changeset
  1327
* Pure: New generic framework for extracting programs from constructive
f843528b9f3c Program extraction framework.
berghofe
parents: 13995
diff changeset
  1328
  proofs. See HOL/Extraction.thy for an example instantiation, as well
f843528b9f3c Program extraction framework.
berghofe
parents: 13995
diff changeset
  1329
  as HOL/Extraction for some case studies.
f843528b9f3c Program extraction framework.
berghofe
parents: 13995
diff changeset
  1330
13868
01b516b64233 *** empty log message ***
nipkow
parents: 13835
diff changeset
  1331
* Pure: The main goal of the proof state is no longer shown by default, only
01b516b64233 *** empty log message ***
nipkow
parents: 13835
diff changeset
  1332
the subgoals. This behaviour is controlled by a new flag.
13835
12b2ffbe543a Change to meta simplifier: congruence rules may now have frees as head of term.
ballarin
parents: 13829
diff changeset
  1333
   PG menu: Isabelle/Isar -> Settings -> Show Main Goal
13815
0832792725db *** empty log message ***
nipkow
parents: 13781
diff changeset
  1334
(ML: Proof.show_main_goal).
0832792725db *** empty log message ***
nipkow
parents: 13781
diff changeset
  1335
0832792725db *** empty log message ***
nipkow
parents: 13781
diff changeset
  1336
* Pure: You can find all matching introduction rules for subgoal 1, i.e. all
0832792725db *** empty log message ***
nipkow
parents: 13781
diff changeset
  1337
rules whose conclusion matches subgoal 1:
0832792725db *** empty log message ***
nipkow
parents: 13781
diff changeset
  1338
      PG menu: Isabelle/Isar -> Show me -> matching rules
0832792725db *** empty log message ***
nipkow
parents: 13781
diff changeset
  1339
The rules are ordered by how closely they match the subgoal.
0832792725db *** empty log message ***
nipkow
parents: 13781
diff changeset
  1340
In particular, rules that solve a subgoal outright are displayed first
0832792725db *** empty log message ***
nipkow
parents: 13781
diff changeset
  1341
(or rather last, the way they are printed).
0832792725db *** empty log message ***
nipkow
parents: 13781
diff changeset
  1342
(ML: ProofGeneral.print_intros())
0832792725db *** empty log message ***
nipkow
parents: 13781
diff changeset
  1343
0832792725db *** empty log message ***
nipkow
parents: 13781
diff changeset
  1344
* Pure: New flag trace_unify_fail causes unification to print
13781
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1345
diagnostic information (PG: in trace buffer) when it fails. This is
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1346
useful for figuring out why single step proofs like rule, erule or
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1347
assumption failed.
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1348
13815
0832792725db *** empty log message ***
nipkow
parents: 13781
diff changeset
  1349
* Pure: Locale specifications now produce predicate definitions
13410
f2cd09766864 * Pure: locale specifications now produce predicate definitions;
wenzelm
parents: 13344
diff changeset
  1350
according to the body of text (covering assumptions modulo local
f2cd09766864 * Pure: locale specifications now produce predicate definitions;
wenzelm
parents: 13344
diff changeset
  1351
definitions); predicate "loc_axioms" covers newly introduced text,
f2cd09766864 * Pure: locale specifications now produce predicate definitions;
wenzelm
parents: 13344
diff changeset
  1352
while "loc" is cumulative wrt. all included locale expressions; the
f2cd09766864 * Pure: locale specifications now produce predicate definitions;
wenzelm
parents: 13344
diff changeset
  1353
latter view is presented only on export into the global theory
f2cd09766864 * Pure: locale specifications now produce predicate definitions;
wenzelm
parents: 13344
diff changeset
  1354
context; potential INCOMPATIBILITY, use "(open)" option to fall back
f2cd09766864 * Pure: locale specifications now produce predicate definitions;
wenzelm
parents: 13344
diff changeset
  1355
on the old view without predicates;
f2cd09766864 * Pure: locale specifications now produce predicate definitions;
wenzelm
parents: 13344
diff changeset
  1356
13459
83f41b047a39 * Pure: predefined locales "var" and "struct" are useful for sharing
wenzelm
parents: 13443
diff changeset
  1357
* Pure: predefined locales "var" and "struct" are useful for sharing
83f41b047a39 * Pure: predefined locales "var" and "struct" are useful for sharing
wenzelm
parents: 13443
diff changeset
  1358
parameters (as in CASL, for example); just specify something like
83f41b047a39 * Pure: predefined locales "var" and "struct" are useful for sharing
wenzelm
parents: 13443
diff changeset
  1359
``var x + var y + struct M'' as import;
83f41b047a39 * Pure: predefined locales "var" and "struct" are useful for sharing
wenzelm
parents: 13443
diff changeset
  1360
13463
07747943c626 * Provers: Simplifier.simproc(_i) now provide sane interface for
wenzelm
parents: 13459
diff changeset
  1361
* Pure: improved thms_containing: proper indexing of facts instead of
07747943c626 * Provers: Simplifier.simproc(_i) now provide sane interface for
wenzelm
parents: 13459
diff changeset
  1362
raw theorems; check validity of results wrt. current name space;
07747943c626 * Provers: Simplifier.simproc(_i) now provide sane interface for
wenzelm
parents: 13459
diff changeset
  1363
include local facts of proof configuration (also covers active
13541
44efea0e21fa *** empty log message ***
wenzelm
parents: 13540
diff changeset
  1364
locales), cover fixed variables in index; may use "_" in term
44efea0e21fa *** empty log message ***
wenzelm
parents: 13540
diff changeset
  1365
specification; an optional limit for the number of printed facts may
44efea0e21fa *** empty log message ***
wenzelm
parents: 13540
diff changeset
  1366
be given (the default is 40);
44efea0e21fa *** empty log message ***
wenzelm
parents: 13540
diff changeset
  1367
44efea0e21fa *** empty log message ***
wenzelm
parents: 13540
diff changeset
  1368
* Pure: disallow duplicate fact bindings within new-style theory files
44efea0e21fa *** empty log message ***
wenzelm
parents: 13540
diff changeset
  1369
(batch-mode only);
13540
aede0306e214 * Pure: disallow duplicate fact bindings within new-style theory files;
wenzelm
parents: 13522
diff changeset
  1370
13463
07747943c626 * Provers: Simplifier.simproc(_i) now provide sane interface for
wenzelm
parents: 13459
diff changeset
  1371
* Provers: improved induct method: assumptions introduced by case
07747943c626 * Provers: Simplifier.simproc(_i) now provide sane interface for
wenzelm
parents: 13459
diff changeset
  1372
"foo" are split into "foo.hyps" (from the rule) and "foo.prems" (from
07747943c626 * Provers: Simplifier.simproc(_i) now provide sane interface for
wenzelm
parents: 13459
diff changeset
  1373
the goal statement); "foo" still refers to all facts collectively;
07747943c626 * Provers: Simplifier.simproc(_i) now provide sane interface for
wenzelm
parents: 13459
diff changeset
  1374
13550
5a176b8dda84 removal of blast.overloaded
paulson
parents: 13549
diff changeset
  1375
* Provers: the function blast.overloaded has been removed: all constants
5a176b8dda84 removal of blast.overloaded
paulson
parents: 13549
diff changeset
  1376
are regarded as potentially overloaded, which improves robustness in exchange
5a176b8dda84 removal of blast.overloaded
paulson
parents: 13549
diff changeset
  1377
for slight decrease in efficiency;
5a176b8dda84 removal of blast.overloaded
paulson
parents: 13549
diff changeset
  1378
13781
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1379
* Provers/linorder: New generic prover for transitivity reasoning over
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1380
linear orders.  Note: this prover is not efficient!
ecb2df44253e *** empty log message ***
nipkow
parents: 13745
diff changeset
  1381
13522
934fffeb6f38 * Isar: preview of problems to finish 'show' now produce an error
wenzelm
parents: 13518
diff changeset
  1382
* Isar: preview of problems to finish 'show' now produce an error
934fffeb6f38 * Isar: preview of problems to finish 'show' now produce an error
wenzelm
parents: 13518
diff changeset
  1383
rather than just a warning (in interactive mode);
934fffeb6f38 * Isar: preview of problems to finish 'show' now produce an error
wenzelm
parents: 13518
diff changeset
  1384
13280
306ef3aef61b * improved thms_containing: proper indexing of facts instead of raw
wenzelm
parents: 13190
diff changeset
  1385
13158
8e86582a90d1 *** empty log message ***
nipkow
parents: 13042
diff changeset
  1386
*** HOL ***
8e86582a90d1 *** empty log message ***
nipkow
parents: 13042
diff changeset
  1387
13899
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1388
* arith(_tac)
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1389
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1390
 - Produces a counter example if it cannot prove a goal.
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1391
   Note that the counter example may be spurious if the goal is not a formula
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1392
   of quantifier-free linear arithmetic.
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1393
   In ProofGeneral the counter example appears in the trace buffer.
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1394
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1395
 - Knows about div k and mod k where k is a numeral of type nat or int.
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1396
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1397
 - Calls full Presburger arithmetic (by Amine Chaieb) if quantifier-free
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1398
   linear arithmetic fails. This takes account of quantifiers and divisibility.
14731
5670fc027a3b Pure: nested comments in inner syntax;
wenzelm
parents: 14709
diff changeset
  1399
   Presburger arithmetic can also be called explicitly via presburger(_tac).
13899
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1400
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1401
* simp's arithmetic capabilities have been enhanced a bit: it now
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1402
takes ~= in premises into account (by performing a case split);
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1403
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1404
* simp reduces "m*(n div m) + n mod m" to n, even if the two summands
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1405
are distributed over a sum of terms;
12c7029d278b *** empty log message ***
nipkow
parents: 13881
diff changeset
  1406
13735
7de9342aca7a HOL-Algebra partially ported to Isar.
ballarin
parents: 13648
diff changeset
  1407
* New tactic "trans_tac" and method "trans" instantiate