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* Do a fixpoint on the result of typeclass search to force theGravatar msozeau2009-06-08
| | | | | | | resolution of generated evars, not doing any backtracking yet. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12175 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Added two new introduction patterns with the following temptative syntaxes:Gravatar herbelin2009-06-07
| | | | | | | | | | | | | | - "*" implements Arthur Charguéraud's "introv" - "**" works as "; intros" (see also "*" in ssreflect). - Simplifying the proof of Z_eq_dec, as suggested by Frédéric Blanqui. - Shy attempt to seize the opportunity to clean Zarith_dec but Coq's library is really going anarchically (see a summary of the various formulations of total order, dichotomy of order and decidability of equality and in stdlib-project.tex in branch V8revised-theories). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12171 85f007b7-540e-0410-9357-904b9bb8a0f7
* Very-small-step policy changes to the library.Gravatar herbelin2009-06-06
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12166 85f007b7-540e-0410-9357-904b9bb8a0f7
* Use Type instead of Set.Gravatar msozeau2009-06-02
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12160 85f007b7-540e-0410-9357-904b9bb8a0f7
* Stop using a "Manual Implicit Arguments" flag and support them as soonGravatar msozeau2009-05-27
| | | | | | | as they are used. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12148 85f007b7-540e-0410-9357-904b9bb8a0f7
* Many fixes in unification:Gravatar msozeau2009-05-20
| | | | | | | | | | | | | | | | | - Restore failure when types don't unify in [unify_types] (undoing r12075) but try to be more clever about cumulativity using the meta's [instance_status] information. - Fix second-order abstraction when K is not allowed to ensure that we don't unify twice with the same subterm in [w_unify_to_subterm_list]. A more elaborate solution would be give the list to [w_unify_to_subterm] so that it keeps going when it finds an already-found instantiation. - Two "obvious" errors fixed: taking the wrong instance status when unifying with a meta on the right and forgoting type equations in [w_merge]. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12136 85f007b7-540e-0410-9357-904b9bb8a0f7
* Minor fixes in typeclasses:Gravatar msozeau2009-05-16
| | | | | | | | | - Set implicit args on for Context decls - Move class_apply tactic to Init - Normalize evars before raising an error. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12127 85f007b7-540e-0410-9357-904b9bb8a0f7
* adds a theorem to reason at the level of ZGravatar bertot2009-05-07
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12119 85f007b7-540e-0410-9357-904b9bb8a0f7
* Improvements in typeclasses eauto and generalized rewriting:Gravatar msozeau2009-05-05
| | | | | | | | | | | | | - Decorate proof search with depth/subgoal number information - Add a tactic [autoapply foo using hints] to call the resolution tactic with the [transparent_state] associated with a hint db, giving better control over unfolding. - Fix a bug in the Lambda case in the new rewrite - More work on the [Proper] and [subrelation] hints to cut the search space while retaining completeness. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12118 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixes for bugs in r12110:Gravatar msozeau2009-04-28
| | | | | | | | | | - [matches] is not parameterized by evars: normalize before calling conclPattern. - fix hints in Morphisms for subrelation and handling of signature normalization. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12115 85f007b7-540e-0410-9357-904b9bb8a0f7
* Backporting 12112 from v8.2 branch to trunk (fixing documentation bugsGravatar herbelin2009-04-28
| | | | | | | | #2099 in ConstructiveEpsilon.v and #2100 on Global Opaque). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12113 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Implementation of a new typeclasses eauto procedure based on successGravatar msozeau2009-04-27
| | | | | | | | | | | and failure continuations, allowing to do safe cuts correctly. - Fix bug #2097 by suppressing useless nf_evars calls. - Improve the proof search strategy used by rewrite for subrelations and fix some hints. Up to 20% speed improvement in setoid-intensive files. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12110 85f007b7-540e-0410-9357-904b9bb8a0f7
* Backporting 12080 (fixing bug #2091 on bad rollback in the "where"Gravatar herbelin2009-04-24
| | | | | | | | clause resulting in stray notations for e.g. variable named "le") and 12083 (fixing bug in as clause of apply in) from trunk. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12103 85f007b7-540e-0410-9357-904b9bb8a0f7
* Rename [Morphism] into [Proper] and [respect] into [proper] to complyGravatar msozeau2009-04-21
| | | | | | | with standard math nomenclature. Also clean up in rewrite.ml4. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12097 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix wrong pattern in Morphisms. Fix bug scripts to reflect the fact thatGravatar msozeau2009-04-20
| | | | | | | Setoid doesn't export Program.Basics anymore. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12095 85f007b7-540e-0410-9357-904b9bb8a0f7
* Just export RelationClasses for [Equivalence] through Setoid.Gravatar msozeau2009-04-18
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12094 85f007b7-540e-0410-9357-904b9bb8a0f7
* Only export the notations of Morphism as well as Equivalence throughGravatar msozeau2009-04-17
| | | | | | | Setoid, the rest needs to be qualified. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12093 85f007b7-540e-0410-9357-904b9bb8a0f7
* Better Requires in Classes. Fix bug #2093: the code does not requireGravatar msozeau2009-04-16
| | | | | | | Program.Tactics anymore. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12089 85f007b7-540e-0410-9357-904b9bb8a0f7
* Rewrite autorewrite to use a dnet indexed by the left-hand sides (orGravatar msozeau2009-04-14
| | | | | | | | | | | | rhs) of rewrite lemmas for efficient retrieval of matching lemmas. Autorewrite's implementation is still unchanged but the dnet can be used through the [hints] strategy of the new generalized rewrite. Now lemmas are checked to actually be rewriting lemmas at declaration time hence the change in DoubleSqrt where some unapplicable constants were declared as lemmas. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12087 85f007b7-540e-0410-9357-904b9bb8a0f7
* Some additions in Max and Zmax. Unifiying list of statements and namesGravatar herbelin2009-04-14
| | | | | | | | in both files. Late update of CHANGES wrt classical Tauto. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12084 85f007b7-540e-0410-9357-904b9bb8a0f7
* Rewrite of setoid_rewrite to modularize it based on proof-producingGravatar msozeau2009-04-13
| | | | | | | | | | | | | | | strategies (à la ELAN). Now setoid_rewrite is just one strategy and autorewrite is a more elaborate one. Any kind of traversals can be defined, strategies can be composed etc... in ML. An incomplete (no fix) language extension for specifying them in Ltac is there too. On a typical autorewrite-with-setoids usage, proof production time is divided by 2 and proof size by 10. Fix some admitted proofs and buggy patterns in Classes.Morphisms as well. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12081 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix premature optimisation in dependent induction: even variable args needGravatar msozeau2009-04-10
| | | | | | | | | | | to be generalized as they may appear in other arguments or their types. Try to keep the original names around as well, using the ones found in the goal. This only requires that interning a pattern [forall x, _] properly declares [x] as a metavariable, binding instances are already part of the substitutions computed by [extended_matches]. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12079 85f007b7-540e-0410-9357-904b9bb8a0f7
* Experimental support for automatic destruction of recursive calls andGravatar msozeau2009-04-08
| | | | | | | | | clearing of recursive protototypes in Program obligations. Relies on marking said prototypes with a particular constant and preprocessing obligation goals with an appropriate tactic. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12071 85f007b7-540e-0410-9357-904b9bb8a0f7
* Move setoid_rewrite to its own module and do some clean up inGravatar msozeau2009-04-07
| | | | | | | class_tactics. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12056 85f007b7-540e-0410-9357-904b9bb8a0f7
* Ocamlbuild: improvements suggested by N. PouillardGravatar letouzey2009-04-03
| | | | | | | | | | | | | * Import of Coq_config via myocamlbuild_config.ml, instead of my get_env * As a consequence, we enrich this Coq_config with stuff that was only in config/Makefile * replace the big ugly find by some dependencies against source files * by the way: build csdpcert, with the right aliases. I've tried to escape things properly for windows in ./configure, but this isn't fully tested yet. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12046 85f007b7-540e-0410-9357-904b9bb8a0f7
* Rewrite of Program Fixpoint to overcome the previous limitations: Gravatar msozeau2009-03-28
| | | | | | | | | | | | | | | - The measure can now refer to all the formal arguments - The recursive calls can make all the arguments vary as well - Generalized to any relation and measure (new syntax {measure m on R}) This relies on an automatic curryfication transformation, the real fixpoint combinator is working on a sigma type of the arguments. Reduces to the previous impl in case only one argument is involved. The patch also introduces a new flag on implicit arguments that says if the argument has to be infered (default) or can be turned into a subgoal/obligation. Comes with a test-suite file. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12030 85f007b7-540e-0410-9357-904b9bb8a0f7
* ZArith/Int: no need to load romega here (but rather in FullAVL)Gravatar letouzey2009-03-28
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12027 85f007b7-540e-0410-9357-904b9bb8a0f7
* Parsing files for numerals (+ ascii/string) moved into pluginsGravatar letouzey2009-03-27
| | | | | | | | | | | | | | Idea: make coqtop more independant of the standard library. In the future, we can imagine loading the syntax for numerals right after their definition. For the moment, it is easier to stay lazy and load the syntax plugins slightly before the definitions. After this commit, the main (sole ?) references to theories/ from the core ml files are in Coqlib (but many parts of coqlib are only used by plugins), and it mainly concerns Init (+ Logic/JMeq and maybe a few others). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12024 85f007b7-540e-0410-9357-904b9bb8a0f7
* fixed ring/field warning about hyp cleaning upGravatar barras2009-03-18
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11993 85f007b7-540e-0410-9357-904b9bb8a0f7
* - gros commit sur ring et field: passage des arguments simplifieGravatar barras2009-03-17
| | | | | | | | | | | - tacinterp.ml: les arguments tactiques de Tactic Notation n'etaient pas evalues, laissant des variables libres (symptome: exc Not_found) - reals: Open Local --> Local Open - ListTactics: syntaxe des listes git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11989 85f007b7-540e-0410-9357-904b9bb8a0f7
* Better mechanism for loading initial pluginsGravatar letouzey2009-03-14
| | | | | | | | | | | | | | | | Instead of dirty hacks in toplevel/coqtop.ml, we simply add some Declare ML Module in Prelude.v. Gain: now that coqdep is clever enough, dependencies are automatic, and we can simplify the Makefile quite a lot: no more references to INITPLUGINSBEST and the like. Besides, mltop.ml4 can also be simplified a lot: by giving $(CONTRIBSTATIC) to coqmktop instead of contrib.cma, now coqtop is aware that it already contain the static plugins (or not), and subsequent ML Module are ignored correctly without us having to do anything :-) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11979 85f007b7-540e-0410-9357-904b9bb8a0f7
* Cyclic31: proof of a forgotten admitGravatar letouzey2009-02-10
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11906 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixed bug #2036 (wrong copy-paste in RIneq) [copy of 11887 in branch v8.2]Gravatar herbelin2009-02-06
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11888 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix [subrelation] clauses that privileged the weakest. Better impl argsGravatar msozeau2009-02-04
| | | | | | | for [PartialOrder] typeclass. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11882 85f007b7-540e-0410-9357-904b9bb8a0f7
* Report r11631 from 8.2 and handle non-dependent goals better inGravatar msozeau2009-02-04
| | | | | | | [dependent induction]. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11881 85f007b7-540e-0410-9357-904b9bb8a0f7
* FSet(Weak)List : eq_dec becomes Defined (and gets better proof)Gravatar letouzey2009-01-28
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11867 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Fixed various Overfull in documentation.Gravatar herbelin2009-01-27
| | | | | | | | | | - Removed useless coq-tex preprocessing of RecTutorial. - Make "Set Printing Width" applies to "Show Script" too. - Completed documentation (specially of ltac) according to CHANGES file. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11863 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Better deal with commands inside section titles in latex output usingGravatar msozeau2009-01-21
| | | | | | | | the support from hyperref. - Rename n-ary 'exist' tactic to 'exists' in Program.Syntax. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11821 85f007b7-540e-0410-9357-904b9bb8a0f7
* Various little fixes:Gravatar msozeau2009-01-18
| | | | | | | | | | | | - allow a new line after a (** printing *) directive in coqdoc so as not to output spurious new lines. - never directly unify the lemma with an evar in setoid_rewrite (they act as opaque constants). - Fix a useless dependency introduced by tauto which splits a record in SetoidList. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11799 85f007b7-540e-0410-9357-904b9bb8a0f7
* Getting rid of the previous implementation of setoid_rewrite which wasGravatar msozeau2009-01-18
| | | | | | | unplugged a long time ago. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11798 85f007b7-540e-0410-9357-904b9bb8a0f7
* Last changes in type class syntax: Gravatar msozeau2009-01-18
| | | | | | | | | | | | - curly braces mandatory for record class instances - no mention of the unique method for definitional class instances Turning a record or definition into a class is mostly a matter of changing the keywords to 'Class' and 'Instance' now. Documentation reflects these changes, and was checked once more along with setoid_rewrite's and Program's. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11797 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Temptative change to notations like "as [|n H]_eqn" or "as [|n H]_eqn:H",Gravatar herbelin2009-01-02
| | | | | | | | | and, with a now generic intropattern "[]", also "as []_eqn", "as []_eqn:H" for "destruct" with equality keeping. - Fixed an accuracy loss in error location. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11732 85f007b7-540e-0410-9357-904b9bb8a0f7
* Switched to "standardized" names for the properties of eq andGravatar herbelin2009-01-01
| | | | | | | | | identity. Add notations for compatibility and support for understanding these notations in the ml files. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11729 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Fixed bug #2021 (uncaught exception with injection/discriminate whenGravatar herbelin2009-01-01
| | | | | | | | | | | | the inductive status of a projectable position comes from a dependency). - Improved doc of the stdlib chapter (see bug #2018), and fixed tex bugs introduced in r11725. - Applied wish #2012 (max_dec transparent). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11728 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Added support for subterm matching in SearchAbout.Gravatar herbelin2008-12-29
| | | | | | | | | | | | | - Backtrack on precise unfolding of "iff" in "tauto": it has effects on the naming of hypotheses (especially when doing "case H" with H of type "{x|P<->Q}" since not unfolding will eventually introduce a name "i" while unfolding will eventually introduce a name "a" (deep sigh). - Miscellaneous (error when a plugin is missing, doc hnf, standardization of names manipulating type constr_pattern, ...). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11725 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Another bug in get_sort_family_of (sort-polymorphism of constants andGravatar herbelin2008-12-28
| | | | | | | | | | | | | | | | | | | | | | | inductive types was not taken into account). - Virtually extended tauto to - support arbitrary-length disjunctions and conjunctions, - support arbitrary complex forms of disjunctions and conjunctions when in the contravariant of an implicative hypothesis, - stick with the purely propositional fragment and not apply reflexivity. This is virtual in the sense that it is not activated since it breaks compatibility with the existing tauto. - Modified the notion of conjunction and unit type used in hipattern in a way that is closer to the intuitive meaning (forbid dependencies between parameters in conjunction; forbid indices in unit types). - Investigated how far "iff" could be turned into a direct inductive definition; modified tauto.ml4 so that it works with the current and the alternative definition. - Fixed a bug in the error message from lookup_eliminator. - Other minor changes. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11721 85f007b7-540e-0410-9357-904b9bb8a0f7
* FMaps: various updates (mostly suggested by P. Casteran)Gravatar letouzey2008-12-26
| | | | | | | | | | | | | - New functions: update (a kind of union), restrict (a kind of inter), diff. - New predicat Partition (and Disjoint), many results about Partition. - Equivalence instead of obsolete Setoid_Theory (they are aliases). refl_st, sym_st, trans_st aren't used anymore and marked as obsolete. - Start using Morphism (E.eq==>...) instead of compat_... This change (FMaps only) is incompatible with 8.2betaX, but it's really better now. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11718 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Extracted from the tactic "now" an experimental tactic "easy" for smallGravatar herbelin2008-12-26
| | | | | | | | | | | | | | | | | automation. - Permitted to use evars in the intermediate steps of "apply in" (as expected in the test file apply.v). - Back on the systematic use of eq_rect (r11697) for implementing rewriting (some proofs, especially lemma DistOoVv in Lyon/RulerCompassGeometry/C14_Angle_Droit.v and tactic compute_vcg in Sophia-Antipolis/Semantics/example2.v are explicitly refering to the name of the lemmas used for rewriting). - Fixed at the same time a bug in get_sort_of (predicativity of Set was not taken into account). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11717 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Optimized "auto decomp" which had a (presumably) exponential inGravatar herbelin2008-12-26
| | | | | | | | | the number of conjunctions to split. - A few cleaning and uniformisation in auto.ml. - Removal of v62 hints already in core. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11715 85f007b7-540e-0410-9357-904b9bb8a0f7
* FMap: fold_rec + more permissive transpose hyp + various cleanupGravatar letouzey2008-12-22
| | | | | | | The induction principles for fold are due to S. Lescuyer The better transpose hyp is a suggestion by P. Casteran git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11711 85f007b7-540e-0410-9357-904b9bb8a0f7
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