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61 commits

Author SHA1 Message Date
Leonardo de Moura
ade60278d0 refactor(library): rename iff.mp' to iff.mpr 2015-07-18 08:52:58 -05:00
Haitao Zhang
ca895e4901 fix(library/data/finset/partition): improve lemmas on binary partition 2015-07-16 14:13:06 -07:00
Haitao Zhang
9ba350098f feat(library/data): add a few convenience lemmas 2015-07-15 17:44:37 -07:00
Haitao Zhang
8dc45686ff feat(library/data/finset/partition): add theory of binary partition 2015-07-15 17:44:36 -07:00
Leonardo de Moura
ebe6ec0017 feat(library): add '[rewrite]' annotation some some theorems 2015-07-13 16:39:53 -04:00
Jeremy Avigad
98cace9bf8 fix(library/data/finset/bigops): remove extraneous parameter 2015-07-11 19:01:44 -04:00
Jeremy Avigad
9810105a2a refactor(library/data/finste/basic): rename non_empty_of_card_succ to ne_empty_of_card_eq_succ 2015-07-11 19:01:44 -04:00
Jeremy Avigad
d443b25dee fix(library/data/{finset,set}/basic: change notation from {[a, b, c]} to '{a, b, c} 2015-07-11 19:01:44 -04:00
Jeremy Avigad
e8ad284ead feat(library/data/finset/{bigops,comb}): add two theorems for Haitao 2015-07-11 19:01:43 -04:00
Leonardo de Moura
9f7c4aac69 feat(library): add helper lemmas for equivalent types 2015-07-06 12:17:57 -07:00
Leonardo de Moura
1bdc9e0747 feat(library/data/finset/card): add dvd_Sum_of_dvd 2015-07-03 14:01:15 -07:00
Leonardo de Moura
339a7334f8 feat(library/data/finset/card): add exists_two_of_card_gt_one 2015-07-03 14:01:15 -07:00
Jeremy Avigad
7d204fdd91 refactor(library/data/finset/card.lean): add useful facts, shorter proof of eq_card_of_eq_subset 2015-06-20 21:13:00 -07:00
Leonardo de Moura
ee0d919c6f feat(library/data/finset/card): add eq_of_card_eq_of_subset theorem 2015-06-19 20:05:32 -07:00
Leonardo de Moura
2910c780d0 feat(library/data/finset/basic): add auxiliary card lemma 2015-06-19 20:05:32 -07:00
Leonardo de Moura
4246a64913 feat(library/data/finset/basic): add more theorems for finset erase 2015-06-19 20:05:32 -07:00
Leonardo de Moura
70fc05294b refactor(library/local_context): avoid hack in local_context 2015-06-18 15:41:00 -07:00
Leonardo de Moura
1b5d1136d9 refactor(library/data/finset/card): remove unnecessary xrewrite 
We can use the default 'rewrite' tactic after the commits pushed today.
 2015-06-10 18:46:16 -07:00
Leonardo de Moura
8fbe22f263 refactor(library/data/finset/basic): cleanup proof 2015-06-10 18:19:16 -07:00
Jeremy Avigad
3c1f5f4e33 feat(library/data/{set,finset}): add more cardinality facts, rename, and add a lemma from Haitao 2015-06-10 16:39:17 -07:00
Jeremy Avigad
370860e1b0 feat(library/data/fintype,finset): add cardinality for finite types from Haitao Zhang 2015-06-05 09:32:00 -07:00
Jeremy Avigad
c2aa8c6720 feat(library/data/finset/partition.lean): add theory of partitions into finsets by Haitao Zhang 2015-06-05 09:32:00 -07:00
Jeremy Avigad
df69bb4cfc feat(library/*): add theorems from Haitao on sets and functions, clean up 2015-06-04 11:55:25 -07:00
Leonardo de Moura
2a6ea2c6fb feat(library/data/finset/to_set): add to_set.inj 2015-06-03 14:05:43 -07:00
Jeremy Avigad
82142b60f0 refactor(library/data/finset/basic.lean): remove finset / finset.finset duplicate 2015-06-01 12:35:44 +10:00
Jeremy Avigad
cdecc309b3 fix(library/data/finset/to_set.lean): to_set does not require decidable equality 2015-06-01 12:35:44 +10:00
Jeremy Avigad
7c92161e49 refactor(library/data/finset/basic.lean): change order of arguments to induction tactic 2015-05-25 16:50:42 -07:00
Jeremy Avigad
59c1801921 refactor(library/data/{list,set,finset}/basic.lean): make subset reserved notation 2015-05-23 12:34:07 +10:00
Leonardo de Moura
1665ee39e8 feat(library/data/finset/card): test 'induction' tactic at finset 2015-05-19 15:56:51 -07:00
Leonardo de Moura
3e87f09d78 feat(library/tactic/induction_tactic): add support for user-defined recursors that contain parameters that should be synthesized by type class resolution 2015-05-19 15:33:46 -07:00
Leonardo de Moura
e1c2340db2 fix(frontends/lean): consistent behavior for protected declarations 
see https://github.com/leanprover/lean/issues/604#issuecomment-103265608

closes #609
 2015-05-18 22:35:18 -07:00
Leonardo de Moura
19361f0196 feat(library/unifier): do not fire type class resolution as last resort when type contains metavariables 
see discussion at #604
 2015-05-18 15:45:23 -07:00
Jeremy Avigad
566acf4b31 feat(library/data/finset/card.lean): add card_Union_of_disjoint and other theorems 2015-05-17 19:06:10 +10:00
Jeremy Avigad
6549940c63 feat(library/data/finset/bigops.lean): add Union for finsets 2015-05-17 17:50:32 +10:00
Jeremy Avigad
783dd61083 feat(library/data/finset/basic.lean): add useful calculation rules for quantifiers 2015-05-17 17:49:02 +10:00
Jeremy Avigad
eae047bd31 refactor,feat(library/{data,algebra}): move bigops to algebra, define sums 2015-05-16 18:42:13 +10:00
Jeremy Avigad
81d0d4aa53 fix(library/data/{set,finset}/basic.lean: delete \{{ \}}} notation (conflicts with records) 2015-05-16 17:53:35 +10:00
Leonardo de Moura
f59a81d744 refactor(library/data): use new 'obtain' expression 2015-05-11 09:14:48 -07:00
Jeremy Avigad
a009cf24e3 feat(library/data/finset/{basic,card,comb}.lean: add theorems, including card of an injective image 2015-05-11 09:03:57 -07:00
Jeremy Avigad
3e07716b5d feat(library/data/finset/to_set.lean): add finset/set translation theorems 2015-05-11 09:03:56 -07:00
Jeremy Avigad
efbca4c78e feat(library/data/finset/finset.md): add markdown file 2015-05-11 09:03:56 -07:00
Jeremy Avigad
9d73aa657b feat(library/data/{finset,list}/comb.lean): add 'any' for finsets 2015-05-11 09:03:56 -07:00
Leonardo de Moura
3aac370629 fix(library/data/finset/basic): type error on the finset.induction proof 2015-05-08 11:08:24 -07:00
Jeremy Avigad
75e50fd371 feat(library/data): update defaults and markdown files 2015-05-08 20:23:15 +10:00
Jeremy Avigad
b56f7a06d5 refactor(library/data/finset/bigop.lean): use inter eq empty rather than disjoint 2015-05-08 20:06:21 +10:00
Jeremy Avigad
6fce01385c feat(library/data/{finset,list}/bigop.lean: generalize bigops from group to monoid 2015-05-08 19:51:37 +10:00
Jeremy Avigad
42f2fc973a refactor(library/data/{finset,list,fintype}: rename cross_product to product 2015-05-08 19:51:37 +10:00
Jeremy Avigad
68f7afa053 feat(library/data/finset/card.lean): begin theory of cardinality 2015-05-08 19:51:37 +10:00
Jeremy Avigad
9e04d09381 feat(library/data/finset/comb.lean): add filter, diff, theorems 2015-05-08 19:51:37 +10:00
Jeremy Avigad
4db4c86d37 feat(library/data/finset/basic.lean): add lots of theorems, do minor renaming 2015-05-08 19:51:37 +10:00