Commit graph

15 commits

Author SHA1 Message Date
Jeremy Avigad
244052b413 refactor(library/data/set/*): rename setext to ext 2015-08-09 22:14:25 -04:00
Jeremy Avigad
31eed7faea feat(library/data/set,finset): finish porting properties of card to sets 2015-08-08 04:23:52 -07:00
Jeremy Avigad
c9d6cc5255 feat(library/data/{finset,set}): various basic facts 2015-07-25 14:02:44 -04:00
Leonardo de Moura
ade60278d0 refactor(library): rename iff.mp' to iff.mpr 2015-07-18 08:52:58 -05:00
Leonardo de Moura
77d5657813 refactor(library/algebra/function): move function.lean to init folder
Motivation: this file defines basic things such as function composition.
In the HoTT library, it is located in the init folder.
2015-07-06 07:29:56 -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
1c93c5bbb2 feat(library/logic/{connectives.lean,quantiers.lean}): add iff congruence rules 2015-06-08 16:58:08 +10:00
Jeremy Avigad
df69bb4cfc feat(library/*): add theorems from Haitao on sets and functions, clean up 2015-06-04 11:55:25 -07:00
Jeremy Avigad
8bebd104ff refactor(library/*): remove 'Module:' lines 2015-05-23 20:52:23 +10:00
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
ba78cc42f9 fix(library/data/set/basic.lean, function.lean): fix typos 2015-05-08 19:51:37 +10:00
Leonardo de Moura
616f49c2e4 feat(frontends/lean): improved 'obtains' expression 2015-05-05 18:30:16 -07:00
Jeremy Avigad
f7a610faa3 feat(library/data/set/basic,function): mark set reducible, and add theorem from Haitao Zhang 2015-05-05 08:55:58 -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