| Commit message (Collapse) | Author | Age |
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- Now [ id : Class foo ] makes id an explicit argument,
and [ Class foo ] is equivalent to [ {someid} : Class foo ].
This makes declarations such as "Class Ord [ eq : Eq a ]" have
sensible implicit args.
- Better handling of {} in class and record declarations, refactorize
code for declaring structures and classes.
- Fix merging of implicit arguments information on section closing.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11204 85f007b7-540e-0410-9357-904b9bb8a0f7
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- Cases on multiple objects
- Avoid dangerous coercion with evars in subtac_coercion
- Resolve typeclasses method-by-method to get better error messages.
- Correct merging of instance databases (and add debug printer)
- Fix a script in NOrder where a setoid_replace was not working before.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11198 85f007b7-540e-0410-9357-904b9bb8a0f7
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goals containing existentials and use transparency information on
constants (optionally). Only used by the typeclasses eauto engine for
now, but could be used for other hint bases easily (just switch a boolean).
Had to add a new "creation" hint to be able to set said boolean upon
creation of the typeclass_instances hint db.
Improve the proof-search algorithm for Morphism, up to 10 seconds
gained in e.g. Field_theory, Ring_polynom. Added a morphism
declaration for [compose].
One needs to declare more constants as being unfoldable using
the [Typeclasses unfold] command so that discrimination is done correctly, but
that amounts to only 6 declarations in the standard library.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11184 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11164 85f007b7-540e-0410-9357-904b9bb8a0f7
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letting the exception go uncatched.
- Reorder definitions in Morphisms, move the PER on (R ==> R') in
Morphisms where it can be declared properly. Add an instance for
Equivalence => Per.
- Change bug#1604 test file to the new semantics of [setoid_rewrite at]
- More unicode characters parsed by coqdoc.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11092 85f007b7-540e-0410-9357-904b9bb8a0f7
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Minor fix in Morphisms which prevented working with higher-order
morphisms and PER relations.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11065 85f007b7-540e-0410-9357-904b9bb8a0f7
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binders.
- Change syntax of type class instances to better match the usual syntax of
lemmas/definitions with name first, then arguments ":" instance.
Update theories/Classes accordingly.
- Correct globalization of tactic references when doing Ltac :=/::=, update
documentation.
- Remove the not so useful "(x &)" and "{{x}}" syntaxes from
Program.Utils, and subset_scope as well.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10919 85f007b7-540e-0410-9357-904b9bb8a0f7
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morphismes). Les mettre au niveau 90 est peut-être plus naturel mais
entraîne trop d'incompatibilités (cf commit 10813 et 10825)
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10888 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10887 85f007b7-540e-0410-9357-904b9bb8a0f7
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failures in proof search. Catch Refiner.FailError in typeclasses eauto
to indicate that an extern tactic failed.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10853 85f007b7-540e-0410-9357-904b9bb8a0f7
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account.
- Add test case for bug #1844 on Combined Scheme.
- Change Reflexive_partial_app_morphism to require a Reflexive proof to
cut down search earlier, without losing anything.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10846 85f007b7-540e-0410-9357-904b9bb8a0f7
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debugging and printing hint databases
- Typeclasses unfold now correctly adds _global_ unfold hints.
- New tactic autosimpl to do simplification using the declared unfold
hints in given hint databases.
- Work on auto-modulo-some-delta (the declared Unfold constants),
actually used mostly if the goal contains evars, as Hint_db.map_auto
does not work up-to any conversions (yet).
- Fix GenMul which was using the old semantics of failing early because
of variance checks, which is not possible in the new implementation.
- Restrict when reflexive_morphism may be used using an extern tactic.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10842 85f007b7-540e-0410-9357-904b9bb8a0f7
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so that the example of bug #1425 is accepted.
- Backtrack level of notations for morphism signatures to 55.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10825 85f007b7-540e-0410-9357-904b9bb8a0f7
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- Closed bugs 121, 1696, 1438, 1425, 1696, 1604, 1738, 1760, 1683 related to
setoids. Add corresponding test files.
- Add new modulo_zeta flag to control zeta during unification (e.g. not
allowed for setoid_rewrite unification, but ok for almost everything
else).
- Various fixes in class_tactics with respect to evars and error
messages.
- Correct error message for NoOccurenceFound, distinguishing between a
rewrite in the goal or an hypothesis.
- Move notations for ==>, --> and ++> to level 90 as suggested by
Russell O'Conor.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10813 85f007b7-540e-0410-9357-904b9bb8a0f7
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- More meaningful argument name for resolve_typeclasses.
- Try to remove unneeded instance declarations in
Morphisms.
- Allow the proofs of reflexivity arising from unchanged
arguments in setoid_rewrite to be fullfiled by Morphism instances and
not necessariy because the relation is reflexive (needed by
higher-order morphisms). Use a new "MorphismProxy" class to implement
that efficiently.
- Fix a bug in abstract_generalize not delta-reducing a type where it should.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10807 85f007b7-540e-0410-9357-904b9bb8a0f7
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declarations. By default, print the list of implicitely generalized
variables. Implement new commands Add Parametric Relation/Morphism for...
parametric relations and morphisms. Now the Add * commands are strict
about free vars and will fail if there remain some. Parametric just allows to
give a variable context. Also, correct a bug in generalization of
implicits that ordered the variables in the wrong order.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10782 85f007b7-540e-0410-9357-904b9bb8a0f7
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- Use a notation for predicate instead of a
definition (better pretty-printing this way, and no delta
problem!).
- Correct inadvertent import of Coq.Program.Program which sets
implicit arguments for left,right and so on. Should fix the contribs
that used to compile.
- Correct normalization_tac to do normalization of "inverse"
signatures. Add a missing instance, and name the existing ones.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10773 85f007b7-540e-0410-9357-904b9bb8a0f7
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relf/sym/trans relations from morphisms on prop connectives and
relations.
- Add general order theory on predicates, instantiated for relations.
Derives equivalence, implication, conjunction and disjunction as
liftings from propositional connectives. Can be used for n-ary
homogeneous predicates thanks to a bit of metaprogramming with lists of
types.
- Rebind Setoid_Theory to use the Equivalence record type instead of
declaring an isomorphic one. One needs to do "red" after constructor to
get the same statements when building objects of type Setoid_Theory, so
scripts break.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10765 85f007b7-540e-0410-9357-904b9bb8a0f7
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alleviate some problems with delta. Better precedence in lambda
notation. Temporarily deactivate notations for relation conjunction,
equivalence and so on, while we search for a better syntax and maybe a
generalization (fixes bug #1820). Better destruct_call in
Program.Tactics.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10742 85f007b7-540e-0410-9357-904b9bb8a0f7
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pas correctes
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10739 85f007b7-540e-0410-9357-904b9bb8a0f7
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to "-R>" and the like. Split more precisely in inference of case
predicate between the new code which currently works only for matched
variables and the old one which works better on variables appearing in matched
terms types (the two could also be merged).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10729 85f007b7-540e-0410-9357-904b9bb8a0f7
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Add definitions of relational algebra in Classes/RelationClasses
including equivalence, inclusion, conjunction and disjunction. Add
PartialOrder class and show that we have a partial order on relations.
Change SubRelation to subrelation for consistency with the standard
library. The caracterization of PartialOrder is a bit original: we
require an equivalence and a preorder so that the equivalence relation
is equivalent to the conjunction of the order relation and its
inverse. We can derive antisymmetry and appropriate morphism instances
from this. Also add a fully general heterogeneous definition of
respectful from which we can build the non-dependent respectful
combinator.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10728 85f007b7-540e-0410-9357-904b9bb8a0f7
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- Better interface in constrintern w.r.t. evars used during typechecking
- Add "unsatisfiable_constraints" exception which gives back the raw
evar_map that was not satisfied during typeclass search (presentation
could be improved).
- Correctly infer the minimal sort for typeclasses declared as
definitions (everything was in type before).
- Really handle priorities in typeclass eauto: goals produced with higher
priority (lowest number) instances are tried before other of lower
priority goals, regardless of the number of subgoals.
- Change inverse to a notation for flip, now that universe polymorphic
definitions are handled correctly.
- Add EquivalenceDec class similar to SetoidDec, declaring decision
procedures for equivalences.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10724 85f007b7-540e-0410-9357-904b9bb8a0f7
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types. Change (again) the semantics of bindings and the binding modifier
! in typeclasses. Inside [ ], implicit binding where only parameters
need to be given is the default, use ! to use explicit binding, which is
equivalent to regular bindings except for generalization of free
variables. Outside brackets (e.g. on the right of instance
declarations), explicit binding is the default, and implicit binding
can be used by adding ! in front. This avoids almost every use of ! in
the standard library and in other examples I have.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10713 85f007b7-540e-0410-9357-904b9bb8a0f7
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symmetric... classes for now, merging Relations with RelationClasses
requires some non-trivial changes on implicits but also some definitions
are different (e.g. antisymmetric in Classes is defined w.r.t an
equivalence relation and not eq). Move back to Reflexive and so on.
reflexivity-like tactics fail in the same way as before if Setoid was
not imported. There is now a scope for morphism signatures, hence "==>",
"++>" and "-->" can be given different interpretations.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10708 85f007b7-540e-0410-9357-904b9bb8a0f7
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names, gives the ability to specify qualified classes in instance
declarations. Use that in the class_tactics code.
Refine the implementation of classes. For singleton classes the
implementation of the class becomes a regular definition (into Type or
Prop). The single method becomes a 'trivial' projection that allows to
launch typeclass resolution. Each instance is just a definition as
usual. Examples in theories/Classes/RelationClasses. This permits to
define [Class reflexive A (R : relation A) := refl : forall x, R x
x.]. The definition of [reflexive] that is generated is the same as the
original one. We just need a way to declare arbitrary lemmas as
instances of a particular class to retrofit existing reflexivity lemmas
as typeclass instances of the [reflexive] class.
Also debug rewriting under binders in setoid_rewrite to allow rewriting
with lemmas which capture the bound variables when applied (works only
with setoid_rewrite, as rewrite first matches the lemma with the entire,
closed term). One can rewrite with [H : forall x, R (f x) (g x)] in the goal
[exists x, P (f x)].
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10697 85f007b7-540e-0410-9357-904b9bb8a0f7
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Adds some instances that incur again a small performance penalty because they cannot
be discriminated against for now (the discrimination net is considering
the head constructor to be Morphism).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10694 85f007b7-540e-0410-9357-904b9bb8a0f7
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rewriting, in some sense bootstrapping the system. Remove redundant
morphisms for now to test for completeness (small performance penalty).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10689 85f007b7-540e-0410-9357-904b9bb8a0f7
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resolution. Add [relation] and Setoid's [equiv] as such objects.
Considerably simplify resolve_all_evars for typeclass resolution, adding
a further refinement (and hack): evars get classified as non-resolvable
(using the evar_extra dynamic field) if they are turned into a
goal. This makes it possible to perform nested typeclass resolution
without looping. We
take advantage of that in Classes/Morphisms where [subrelation_tac] is
added to the [Morphism] search procedure and calls the apply tactic which
itself triggers typeclass resolution. Having [subrelation_tac] as a tactic
instead of an instance, we can actually force that it is applied only
once in each search branch and avoid looping.
We could get rid of the hack when we have real goals-as-evars
functionality (hint hint).
Also fix some test-suite scripts which were still calling [refl]
instead of [reflexivity].
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10687 85f007b7-540e-0410-9357-904b9bb8a0f7
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check_required_library where needed (fixes bug #1797).
Remove spurious messages from ring when not in verbose mode.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10685 85f007b7-540e-0410-9357-904b9bb8a0f7
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setoid rewrite. Refine and use the new unification flags setup by Hugo
to do a little bit of delta in clenv_unify/w_unify. Moved from a boolean
indicating conversion is wanted to a Cpred representing the
constants one wants to get unfolded to have more precise control. Add
corresponding test-suite file.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10684 85f007b7-540e-0410-9357-904b9bb8a0f7
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implicits for left, inl or eq, hence some theories had to be changed
again. It should make some user contribs compile again too. Also
do not import functional extensionality when importing Program.Basics,
add a Combinators file for proofs requiring it and a Syntax file for the
implicit settings. Move Classes.Relations to Classes.RelationClasses to
avoid name clash warnings as advised by Hugo and Pierre.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10681 85f007b7-540e-0410-9357-904b9bb8a0f7
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[id] instead of their expansions. Seems to slow things down a bit
(1s. on Ring_polynom).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10680 85f007b7-540e-0410-9357-904b9bb8a0f7
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morphisms on R --> inverse R' for any R, R' (report by N. Tabareau).
Better implementation of unfolding for impl that does it only where
necessary to keep the goal in the same shape as the user gave.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10648 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10630 85f007b7-540e-0410-9357-904b9bb8a0f7
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binding, add "!" syntax for the new binders which require parameters and
not superclasses. Change backquotes for curly braces for user-given
implicit arguments, following tradition. This requires a hack a la
lpar-id-coloneq. Change ident to global for typeclass names in class
binders. Also requires a similar hack to distinguish between [ C t1 tn ]
and [ c : C t1 tn ]. Update affected theories.
While hacking the parsing of { wf }, factorized the two versions of fix
annotation parsing that were present in g_constr and g_vernac.
Add the possibility of the user optionaly giving the priority for resolve and
exact hints (used by type classes). Syntax not fixed yet: a natural
after the list of lemmas in "Hint Resolve" syntax, a natural after a "|"
after the instance constraint in Instance declarations (ex in
Morphisms.v).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10628 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10602 85f007b7-540e-0410-9357-904b9bb8a0f7
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(Axiom/Variable...). New tactic clapply to apply unapplied class methods
in tactic mode, simple solution to the fact that apply does not work
up-to classes yet. Add Functions.v for class definitions related to
functional morphisms.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10589 85f007b7-540e-0410-9357-904b9bb8a0f7
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class_tactics for further customizations. Add Equivalence.v for
typeclass definitions on equivalences and clrewrite.v test-suite for
clrewrite. Debugging the tactic I found missing morphisms that are now
in Morphisms.v and removed some that made proof search fail or take too
long, not sure it's complete however.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10565 85f007b7-540e-0410-9357-904b9bb8a0f7
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only, and get rid of the "relation" definition which makes unification
fail blatantly. Replace it with a notation :) In its current state,
the new tactic seems ready for larger tests.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10543 85f007b7-540e-0410-9357-904b9bb8a0f7
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Tabareau:
- first pass: generation of the Morphism constraints with metavariables
for unspecified relations by one fold over the term.
This builds a "respect" proof term for the whole term with holes.
- second pass: constraint solving of the evars, taking care of finding a
solution for all the evars at once.
- third step: normalize proof term by found evars, apply it, done!
Works with any relation, currently not as efficient as it could be due
to bad handling of evars. Also needs some fine tuning of the instances
declared in Morphisms.v that are used during proof search, e.g. using
priorities.
Reorganize Classes.* accordingly, separating the setoids in
Classes.SetoidClass from the general morphisms in Classes.Morphisms
and the generally applicable relation theory in Classes.Relations.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10515 85f007b7-540e-0410-9357-904b9bb8a0f7
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msozeau
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