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340 commits

Author SHA1 Message Date
Leonardo de Moura
2453a6ab45 feat(library/data/countable): define countable type class 2015-04-14 09:01:15 -07:00
Leonardo de Moura
82eada7d56 feat(library/data/list/basic): add find nth theorem 2015-04-14 09:01:15 -07:00
Leonardo de Moura
07e195e9f1 feat(library/data/fintype): add decidable_finite_pred instance 2015-04-12 20:07:04 -07:00
Leonardo de Moura
00d68cadc8 refactor(library/data/fintype): cleanup and mark location that exposes bug in the 'cases' tactic 2015-04-12 17:52:41 -07:00
Leonardo de Moura
f523d3a995 feat(library/data): add structure for converting a list of elements into a type, and then show the resultant type is a finite type 2015-04-12 17:33:58 -07:00
Leonardo de Moura
d9f8b0f3d7 feat(library/data/finset/comb): add cross_product to finset 2015-04-11 19:46:04 -07:00
Leonardo de Moura
4c827293a8 feat(library/data/list/perm): add perm_cross_product theorem 2015-04-11 19:13:34 -07:00
Leonardo de Moura
41ddc97e0d feat(library/data/list): define filter function for lists 2015-04-11 18:22:22 -07:00
Leonardo de Moura
c437fbe0bc feat(library/data/fintype): prove that A->B has decidable equality when A is a finite type and B has decidable equality 2015-04-11 16:45:27 -07:00
Leonardo de Moura
3edf0dffdf feat(library/data/finset): define subset for finsets 2015-04-11 15:29:12 -07:00
Leonardo de Moura
dfef4c5daf feat(library/data): define fintype type class 2015-04-11 14:55:41 -07:00
Leonardo de Moura
06d4ae971d feat(library/data/list): add nodup_cross_product theorem 2015-04-11 14:31:01 -07:00
Leonardo de Moura
54a2d9750e refactor(library/data): simplify definition of disjoint 2015-04-11 14:04:09 -07:00
Leonardo de Moura
ee895e00dd feat(library/data/list): define cross_product for lists 2015-04-11 13:52:50 -07:00
Leonardo de Moura
fefddcd0f9 fix(library/data/list/perm): broken theorem 2015-04-11 09:42:24 -07:00
Leonardo de Moura
1b34f40f36 feat(library/data/list/set): add decidable_nodup 2015-04-11 09:39:26 -07:00
Leonardo de Moura
dff05557a3 feat(library/data/finset): add all combinator theorems 2015-04-11 09:28:27 -07:00
Leonardo de Moura
5304c5afb8 feat(library/data/list/set): add 'all' theorems 2015-04-11 09:28:05 -07:00
Leonardo de Moura
32b07c4561 feat(library/data/finset): define map for finset 2015-04-10 17:14:10 -07:00
Leonardo de Moura
a24c0bf1db feat(library/data/finset): define intersection for finsets 2015-04-10 16:45:25 -07:00
Leonardo de Moura
49d6d43926 feat(library/data/list): define intersection for lists 2015-04-10 16:31:44 -07:00
Leonardo de Moura
d59c671054 feat(library/data/list/comb): define upto list generator 2015-04-10 15:32:44 -07:00
Leonardo de Moura
9d8b5aa347 feat(library/data/list/comb): add any/all theorems 2015-04-10 07:01:14 -07:00
Leonardo de Moura
5caa983919 feat(library/data/finset): redefine bigop for finset 2015-04-10 06:13:32 -07:00
Leonardo de Moura
53f730ec82 feat(library/data/list/bigop): add bigop perm theorem 2015-04-10 06:01:23 -07:00
Leonardo de Moura
608e2838bf feat(library/data/list): define bigop for lists 2015-04-10 05:52:19 -07:00
Leonardo de Moura
4be8741a39 feat(library/data/list): break list/basic.lean into smaller files 2015-04-10 05:19:52 -07:00
Leonardo de Moura
a223b9b1f7 feat(library/data/finset): add bigop for finset + commutative groups 2015-04-09 20:00:00 -07:00
Leonardo de Moura
795acc70a6 refactor(library/data/finset): move finset to its own directory 2015-04-09 19:30:09 -07:00
Leonardo de Moura
ca377e5f8b feat(library/data/list/basic): add foldr/foldl theorems 2015-04-09 18:48:04 -07:00
Leonardo de Moura
b209f442f7 refactor(library/data/list) fix theorem name, and do not rely on implementation of mem 2015-04-09 16:27:48 -07:00
Leonardo de Moura
2ab2f7dc9d feat(library/data/finset): add basic support for finite sets 2015-04-09 15:51:23 -07:00
Leonardo de Moura
571ff76080 feat(library/data/list/perm): add perm_ext theorem 2015-04-09 15:27:32 -07:00
Leonardo de Moura
64173ddf93 feat(library/data/list/basic): more nodup theorems 2015-04-09 14:50:00 -07:00
Leonardo de Moura
b4611ba33d feat(library/data/list/basic): add mem erase theorems 2015-04-09 13:19:51 -07:00
Leonardo de Moura
d5176ebae5 refactor(library/algebra/binary): define right_commutative and left_commutative 2015-04-09 10:54:28 -07:00
Leonardo de Moura
8522fbec4b feat(library/data/list): more general theorems for perm foldl and foldr, and other minor improvements 2015-04-09 09:29:58 -07:00
Leonardo de Moura
07ff0900aa feat(library/data/list): add permutation theorems for union and insert 2015-04-08 19:02:35 -07:00
Leonardo de Moura
33422a387a feat(library/data/list/basic): define 'union' and 'insert' for lists 2015-04-08 18:12:51 -07:00
Leonardo de Moura
c95bd8ba61 feat(library/data/list): add erase_dup and theorems 2015-04-08 12:28:48 -07:00
Leonardo de Moura
05bd6b5fe7 feat(library/data/list): add foldr/foldl equality theorems for permutations 2015-04-08 10:36:05 -07:00
Jeremy Avigad
eb5089bf27 feat(library/data/set): add theory of functions and maps between sets 2015-04-08 09:46:34 -07:00
Jeremy Avigad
5812b35d93 feat(library/data/set/function.lean): begin theory of functions on sets 2015-04-08 09:46:34 -07:00
Leonardo de Moura
afc75f141c refactor(library/data/list/perm): prove auxiliary theorems using 'match-with' 2015-04-08 09:43:17 -07:00
Leonardo de Moura
56d20852aa refactor(library/data/list/perm): remove dead code 2015-04-08 09:32:28 -07:00
Leonardo de Moura
ef1b057b63 refactor(library/data/list/perm): cleanup theorem 2015-04-08 09:29:40 -07:00
Leonardo de Moura
e0e65705db feat(library/data/list/perm): add perm inversion theorems 2015-04-07 18:54:02 -07:00
Leonardo de Moura
c6a35e718d refactor(library/data/list/perm): use by_cases instead of dependent-if 2015-04-07 09:26:24 -07:00
Leonardo de Moura
9306830d8c feat(library/data/list): perm is decidable 2015-04-07 09:12:10 -07:00
Leonardo de Moura
754276a660 feat(frontends/lean): round parenthesis for [tactic1 | tactic2] 
This commit also replaces the notation for divides
     `(` a `|` b `)`
with
      a `∣` b

The character `∣` is entered by typing \|

closes #516
 2015-04-06 09:24:09 -07:00