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476 commits

Author SHA1 Message Date
Leonardo de Moura
7fa5c3e5da feat(library/tactic/unfold_rec): take '[recursor]' annotations into account at unfold_rec 2015-07-12 11:33:40 -04:00
Leonardo de Moura
8e8e08cfe7 feat(library/tactic): use occurrence object in unfold tactic family 2015-07-11 18:53:45 -04:00
Leonardo de Moura
554a42b407 fix(library/tactic/unfold_rec): add annother brec pattern that should be checked in the unfold recursive definition tactic 2015-07-10 22:16:23 -04:00
Leonardo de Moura
a9515ac7a4 feat(library/tactic/rewrite_tactic): try to fold nested recursive applications after unfolding a recursive function 
See issue #692.
The implementation still has some rough spots.
It is not clear what the right semantic is.
Moreover, the folds in e_closure could not be eliminated automatically.
 2015-07-08 21:19:18 -04:00
Leonardo de Moura
991ff67b45 refactor(library/relation_manager): cleanup and add API for declaring a relation that may not be reflexive, symmetric nor transitive 2015-07-07 15:58:24 -07:00
Leonardo de Moura
0fc2efe88e fix(library/tactic/rewrite_tactic): fixes #702 2015-06-28 20:37:17 -07:00
Leonardo de Moura
1b864a838f fix(library/tactic/induction_tactic.cpp): condition for checking whether 'induction' tatic is applicable or not 
fixes #690
 2015-06-28 13:07:02 -07:00
Leonardo de Moura
2f75768243 feat(library/tactic/rewrite_tactic): fail when nothing is rewritten 
fixes #686
 2015-06-28 12:05:00 -07:00
Leonardo de Moura
68785b8bed fix(library/tactic/generalize_tactic): fixes #711 2015-06-26 19:35:30 -07:00
Leonardo de Moura
e3e9220ab9 fix(library/tactic/rewrite_tactic): fixes #708 2015-06-26 18:41:08 -07:00
Leonardo de Moura
0b7859f387 feat(library,frontends/lean): add support for projections in the elaborator 
The idea is to simulate the computation rules such as

    pr1 (mk a b) ==> a

in the elaborator
 2015-06-26 17:18:29 -07:00
Leonardo de Moura
a680114fd8 fix(library/tactic/rewrite_tactic): potential crash in the rewrite tactic 2015-06-26 17:18:29 -07:00
Leonardo de Moura
5687c24944 refactor(library/tactic/induction_tactic): cleanup 2015-06-22 10:23:54 -07:00
Leonardo de Moura
694eef7f6a fix(util/sexpr/format): retract change that may be creating problems for emscripten 2015-06-18 10:49:13 -07:00
Leonardo de Moura
a4c0699e81 feat(library/tactic/constructor_tactic): restore 'constructor' tactic old semantics, add 'fconstructor' tactic 
See issue #676

Add new test demonstrating why it is useful to have the old semantics
for 'constructor'
 2015-06-17 23:48:54 -07:00
Leonardo de Moura
bf71d9f342 fix(library/tactic/rewrite_tactic): fixes #682 2015-06-17 18:49:02 -07:00
Leonardo de Moura
f60cdee14b fix(library/tactic/rewrite_tactic): memory leak 2015-06-16 15:47:21 -07:00
Leonardo de Moura
0ae24faae3 feat(library/tactic/constructor_tactic): use 'fapply' in 'constructor' tactic 
closes #676
 2015-06-16 12:03:31 -07:00
Leonardo de Moura
2277b170f6 feat(library/tactic/exact_tactic): use 'append' instead of 'orelse' at eassumption 'tactic' 2015-06-16 11:58:10 -07:00
Leonardo de Moura
169f956143 fix(library/tactic): remove dead code 2015-06-16 11:57:37 -07:00
Leonardo de Moura
8699d2dfb7 feat(library/tactic/rewrite_tactic): display list of overloads occurring in a failed rewrite step 2015-06-14 16:30:18 -07:00
Leonardo de Moura
9fbf267a3f feat(library/tactic/rewrite_tactic): when 'rewrite' step fails apply esimp and try again 
closes #670
 2015-06-12 19:48:58 -07:00
Leonardo de Moura
69be4c720c fix(library/tactic/subst_tactic): bug in 'subst' tactic 2015-06-12 12:11:44 -07:00
Leonardo de Moura
627e05c9e6 fix(library/tactic/rewrite_tactic): improve krewrite 2015-06-08 16:46:28 -07:00
Leonardo de Moura
d6a483fe84 feat(library): add idx_metavar module 2015-06-08 16:02:37 -07:00
Leonardo de Moura
0e099b5fd8 feat(library/tactic/rewrite_tactic): apply beta&eta reduction before rewriting steps, add option 'rewrite.beta_eta' (default true) to control new feature. 2015-06-06 20:43:52 -07:00
Leonardo de Moura
1cbace9df6 feat(library/tactic/congruence_tactic): add congruence lemma generator 
The generated congruence theorems ignore arguments that are subsingleton types.
 2015-06-05 22:00:10 -07:00
Leonardo de Moura
d0d3f9bb41 refactor(kernel,library,frontends/lean): add helper functions, and cleanup collect_locals 2015-06-05 17:29:36 -07:00
Leonardo de Moura
68688ecdf6 fix(library/tactic/subst_tactic): in the standard mode, use dependent elimination in the subst tactic (when needed) 
Before this commit, the subst tactic was producing an type incorrect
result when dependent elimination was needed (see new test for an example).
 2015-06-03 17:36:04 -07:00
Leonardo de Moura
d547698a56 refactor(library,library/tactic): move class_instance_synth to library 
This module will be needed by the simplifier
 2015-06-01 16:30:40 -07:00
Leonardo de Moura
8a89588079 refactor(library,library/tactic): move auxiliary procedures from tactic to library 2015-06-01 16:19:55 -07:00
Leonardo de Moura
ca110012d8 feat(library/tactic): automate "generalize-intro-induction/cases" idiom 
closes #645
 2015-05-30 21:57:28 -07:00
Leonardo de Moura
c07d14e94a fix(library/tactic/rewrite_tactic): incorrect assertion 2015-05-29 15:59:03 -07:00
Leonardo de Moura
85409a59d3 feat(library/tactic/rewrite_tactic): add xrewrite and krewrite tactic variants 
closes #511
 2015-05-27 16:32:43 -07:00
Leonardo de Moura
7d73f4f091 refactor(library,frontends/lean): simplify the creation of custom normalizers 2015-05-27 15:33:20 -07:00
Leonardo de Moura
ed01242bc1 chore(library/tactic/apply_tactic): remove dead code 2015-05-26 12:18:50 -07:00
Leonardo de Moura
7f0951b8e7 feat(library/tactic): improve assumption tactic performance 2015-05-25 20:22:37 -07:00
Leonardo de Moura
d0987eb3ac feat(library/tactic): add 'subtvars' tactic 2015-05-25 16:36:44 -07:00
Leonardo de Moura
a3f23d5233 feat(library/tactic): add improved 'subst' tactic 2015-05-25 15:03:59 -07:00
Leonardo de Moura
f13ca3cd9a feat(library/tactic/contradiction_tactic): handle (h1 : p) and (h2 : not p) hypotheses in the contradiction tactic 2015-05-25 10:29:51 -07:00
Leonardo de Moura
88975927e6 fix(library/tactic/relation_tactics): beta-reduce goal before trying to extract head symbol 2015-05-24 18:56:35 -07:00
Leonardo de Moura
004ea80e65 fix(library/tactic/rewrite_tactic): apply beta reduction when selecting patterns 2015-05-24 18:44:30 -07:00
Leonardo de Moura
b83b0c0017 fix(library/tactic/induction_tactic): fixes #619 2015-05-21 18:22:07 -07:00
Leonardo de Moura
f830bf54c2 refactor(*): clarify name_generator ownership 2015-05-21 14:32:36 -07:00
Leonardo de Moura
c2faa0fe98 refactor(library): rename equivalence_manager to relation_manager 2015-05-21 12:25:02 -07:00
Leonardo de Moura
2b4233ee8e fix(library/tactic/induction_tactic): exception handling 2015-05-21 10:15:49 -07:00
Leonardo de Moura
d6b72ef4d7 feat(library/tactic/induction_tactic): try available recursors until one works 
closes #615
 2015-05-20 23:23:05 -07:00
Leonardo de Moura
2164ba6f20 fix(library/tactic/induction_tactic): fixes #614 2015-05-20 23:14:11 -07:00
Leonardo de Moura
51d4644832 fix(library/tactic/induction_tactic): fixes #613 2015-05-20 22:26:50 -07:00
Leonardo de Moura
5508e4b132 feat(library/tactic/induction_tactic): type class inference for minor premises 
closes #611
 2015-05-20 20:48:33 -07:00