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Author SHA1 Message Date
Leonardo de Moura
abe129aa4f refactor(library): rename theorems "iff.flip_sign -> not_iff_not_of_iff" and "decidable_iff_equiv -> decidable_of_decidable_of_iff" 2014-12-15 19:17:51 -08:00
Leonardo de Moura
5cf8064269 refactor(library): rename exists_elim and exists_intro to exists.elim 
and exists.intro
 2014-12-15 19:07:38 -08:00
Jeremy Avigad
2b56a2b891 feat(library/init): create markdown directory file 2014-12-15 16:43:42 -05:00
Jeremy Avigad
da719e6ee4 refactor(library/logic): rename theorems 2014-12-15 16:13:04 -05:00
Jeremy Avigad
3e9a484851 refactor(library/logic/connectives): rename theorems 2014-12-15 15:05:44 -05:00
Soonho Kong
6903118900 fix(bin/ltags): open .ilean files with UTF-8 encoding 
fix #376
 2014-12-15 12:01:22 -05:00
Leonardo de Moura
7c8ab81cc6 feat(library/logic/quantifiers): add decidable_forall_eq and decidable_exists_eq theorems 2014-12-13 15:48:04 -08:00
Leonardo de Moura
c6ebe9456e feat(library/data/nat): add "bounded" quantifiers 
Later, we will add support for arbitrary well-founded relations
 2014-12-13 15:42:38 -08:00
Leonardo de Moura
f0b002d5a7 fix(library/aliases): aliases in sections and contexts 2014-12-13 14:57:15 -08:00
Leonardo de Moura
6e84696960 fix(library/init/logic): expose inhabited basic instances 2014-12-13 14:26:44 -08:00
Leonardo de Moura
c291063f3a fix(frontends/lean/structure_cmd): simplify structure names 2014-12-13 14:18:02 -08:00
Leonardo de Moura
628faa10eb refactor(library/algebra/ordered_ring): add workarounds to improve performance 2014-12-13 13:12:25 -08:00
Jeremy Avigad
6f775be1b6 feat(library/algebra/ordered_ring): start on ordered_ring, and minor changes elsewhere 2014-12-13 11:35:35 -08:00
Leonardo de Moura
c9365db41b test(tests/lean/extra): more tests for equation elaborator 2014-12-12 15:43:41 -08:00
Leonardo de Moura
477d79ae47 refactor(library/init): move more theorems to logic 2014-12-12 13:50:53 -08:00
Leonardo de Moura
d6c8e23b03 refactor(library/init/logic): move theorems to library/logic 2014-12-12 13:24:17 -08:00
Leonardo de Moura
d50b7a8ba1 refactor(library/init/logic): move theorems to logic/cast 2014-12-12 12:39:16 -08:00
Leonardo de Moura
b900e9171d refactor(library/init/sigma): simplify lex.accessible proof using 'cases' tactic 2014-12-12 12:36:51 -08:00
Leonardo de Moura
29aaa21f2a fix(tests/lean/interactive): adjust test to reflect changes in the standard library 2014-12-11 19:53:41 -08:00
Leonardo de Moura
ab873cfff9 feat(frontends/lean/elaborator): replace metavariables in the equation lhs with fresh local constants before invoking compiler 2014-12-11 19:51:49 -08:00
Leonardo de Moura
eb184984c0 feat(util/buffer): add insert method 2014-12-11 19:31:54 -08:00
Leonardo de Moura
b01cf73a91 feat(library/init/logic): add is_true and is_false 2014-12-11 18:14:03 -08:00
Leonardo de Moura
91ce99d921 feat(frontends/lean): type check 'decreasing' proofs in definition using well-founded recursion 2014-12-11 18:13:35 -08:00
Leonardo de Moura
8b3e97d285 feat(kernel/type_checker): add ensure_type variant 2014-12-11 17:32:17 -08:00
Leonardo de Moura
e897bbdeb9 feat(library/util): add auxiliary functions for creating tuples (using sigma types) 2014-12-11 17:31:47 -08:00
Leonardo de Moura
3d199d275d fix(frontends/lean/token_table): increase binding power of decreasing operator 2014-12-11 17:31:12 -08:00
Leonardo de Moura
287a444481 feat(frontends/lean/pp): add option 'pp.numerals' 2014-12-11 17:28:58 -08:00
Leonardo de Moura
97552a8cfe refactor(library/sigma): fix/use sigma notation 2014-12-11 15:50:44 -08:00
Leonardo de Moura
b8f665e561 feat(frontends/lean): elaborate recursive equations 
Remark: we are not compiling them yet.
 2014-12-10 22:25:40 -08:00
Leonardo de Moura
2867789bec fix(library/unifier): handle missing first-order flex-flex case 2014-12-10 22:11:30 -08:00
Leonardo de Moura
756fae7c2a refactor(frontends/lean): move local_context to library 2014-12-10 12:43:32 -08:00
Leonardo de Moura
bf875d5778 feat(library/definitional/equations): add support for inaccessible patterns 2014-12-10 12:35:08 -08:00
Leonardo de Moura
d98aabe9ab refactor(library): move library/definitional/util module to library 2014-12-10 11:23:23 -08:00
Leonardo de Moura
ac664505e6 refactor(library): move class management to library module 2014-12-09 21:38:55 -08:00
Floris van Doorn
fec45abda5 feat(library/hott): multiple changes in the HoTT library 
Jakob accidentally undid some of my changes in commit aad4592, reverted that;
made style changes in multiple files;
in types/sigma: finished porting Coq-HoTT, and finished unfinished proof;
in axioms/funext: rename path_forall, make arguments implicit and make instance visible
 2014-12-09 21:32:35 -05:00
Jakob von Raumer
5278f70dea feat(library/lean) add one types as instances of groupoids 2014-12-09 19:12:54 -05:00
Jakob von Raumer
86a38c6c3d feat(library/hott) prove that each group is a contractible groupoid 2014-12-09 19:12:54 -05:00
Jakob von Raumer
f023e4999c feat(library/hott) prove that a groupoid on contractible object type is a group 2014-12-09 19:12:54 -05:00
Jakob von Raumer
7bfd897f9d feat(library/hott) add groupoid definition 2014-12-09 19:12:54 -05:00
Leonardo de Moura
4342454339 test(tests/lean/hott): add test for no_confusion construction for HoTT 2014-12-09 15:41:54 -08:00
Leonardo de Moura
ad9620f325 feat(hott/init): add notation for sigma types 2014-12-09 15:41:18 -08:00
Leonardo de Moura
05f27b8f0e feat(frontends/lean/structure): add option for controlling whether we automatically generate eta and projection-over-intro theorems for structures 
It seems most of the time these theorems are not used at all.
They are just polluting the namespace.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-12-09 12:40:09 -08:00
Leonardo de Moura
d67583df44 fix(frontends/lean/parser): do not generate error when 'exit' command is used 2014-12-09 10:14:14 -08:00
Jakob von Raumer
116e7ff82e feat(library/hott) port Jeremy's group file to use path equality 2014-12-09 10:00:37 -08:00
Leonardo de Moura
58432d0968 feat(library/definitional): add no_confusion construction that is compatible with the HoTT library 2014-12-08 22:11:48 -08:00
Leonardo de Moura
41c6914e48 refactor(hott/init): mark theorems load by initialization as transparent 2014-12-08 12:12:19 -08:00
Leonardo de Moura
beef85289a feat(hott/init): add lift to initialization 2014-12-08 12:09:41 -08:00
Leonardo de Moura
2bb51554d5 feat(library/definitional/util): add telescope equality for HoTT library 
This is needed for implementing no_confusion for HoTT.
We can't use heterogeneous equality in HoTT.
 2014-12-07 18:35:55 -08:00
Leonardo de Moura
6736f58548 refactor(library/definitional/util): cleanup 2014-12-07 16:41:28 -08:00
Leonardo de Moura
ec7f90cb16 feat(hott/init): make sure eq is universe polymorphic 
Jakob and Floris needed path equality to be universe polymorphic when
proving univalence.
 2014-12-06 09:43:42 -08:00