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Author SHA1 Message Date
Floris van Doorn
f995e5ea48 fix(cubical): remove unused basic file 2015-06-04 20:21:52 -04:00
Floris van Doorn
ff41886a32 feat(nat/bquant): give instances for quantification bounded with le 
also add theorems c_iff_c to logic/connectives, where c is a connective
 2015-06-04 20:14:13 -04:00
Floris van Doorn
7f5caab694 feat(nat): redefine le and lt in the standard library 2015-06-04 20:14:13 -04:00
Floris van Doorn
37995edbd7 fix(tools.md): remove missing link 2015-06-04 20:14:13 -04:00
Floris van Doorn
ff01774fd7 renaming(hit): rename type_quotient to quotient, and quotient to set_quotient 
This renaming is because type_quotient is a nonstandard name.  I've had a discussion with Egbert
Rijke, Steve Awodey and Dan Licata, and the consensus for a better name was 'quotient'.  I had to
make changes in src/kernel/hits/hits.cpp, I renamed g_type_quotient* by g_hit_quotient* (to avoid
name clash the standard library quotient, although I don't know whether that name clash would
matter).
 2015-06-04 20:14:13 -04:00
Floris van Doorn
06528c4791 refactor(types): create cubical subfolder, update markdown files 2015-06-04 20:14:13 -04:00
Floris van Doorn
33e948d9d1 feat(hit/sphere): Prove that maps from S^n to an (n-1)-type are constant 2015-06-04 20:14:13 -04:00
Floris van Doorn
876aa20ad6 feat(hott): Port remainder of §6.3 and §7.2 from the HoTT book 
Also prove a theorem similar to Lemma 7.3.1

There are still some sorry's in hit.suspension
 2015-06-04 20:14:12 -04:00
Floris van Doorn
883b4fedb9 feat(hott): start with proof to characterize (is_trunc n A) using iterated loop spaces 2015-06-04 20:14:12 -04:00
Floris van Doorn
4117455e97 feat(hott): redefine nat.le and nat.lt 
also some minor modifications in other files
 2015-06-04 20:14:12 -04:00
Floris van Doorn
d4a991ef84 feat(hott): define cubes and cubeovers 2015-06-04 20:13:53 -04:00
Leonardo de Moura
63f61a35f4 feat(library/data/list/set): cleanup nodup_map proof 2015-06-04 15:21:40 -07:00
Leonardo de Moura
9a7cff0e89 feat(library/data/list/comb): add length_product theorem 2015-06-04 15:11:09 -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
Jeremy Avigad
03952ae12c feat(library/logic/{connectives,identities},library/algebra/function): cleanup and some additions from Haitao Zhang 2015-06-04 11:55:25 -07:00
Leonardo de Moura
134740182d fix(frontends/lean): fixes #652 2015-06-03 21:53:51 -07:00
Leonardo de Moura
c8ad1874a2 fix(library/util): compilation error in debug mode 2015-06-03 17:39:03 -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
dce86b3a84 feat(library/init/logic): add 'eq.drec' (in standard Lean) with a signature very similar to eq.rec in the HoTT library 2015-06-03 17:29:26 -07:00
Leonardo de Moura
c841e63649 refactor(library/data/fintype): create 'fintype' subdirectory 2015-06-03 16:43:55 -07:00
Leonardo de Moura
2a6ea2c6fb feat(library/data/finset/to_set): add to_set.inj 2015-06-03 14:05:43 -07:00
Leonardo de Moura
16d03c17ee refactor(library/logic/eq): use 'substvars' tactic 2015-06-02 23:55:51 -07:00
Leonardo de Moura
a8c9121d2e feat(library/data/vec): add vector as list subtype 2015-06-02 22:09:23 -07:00
Leonardo de Moura
7a39d5aaa3 feat(library/data): add auxiliary definitions 2015-06-02 22:08:25 -07:00
Leonardo de Moura
228a99af7e feat(library/data/subtype): cleanup proof 2015-06-02 19:51:28 -07:00
Leonardo de Moura
70d0dea02d feat(library/init/logic): add more congruence theorems 
Remark: the simplifier should be able to select the "right" one.
 2015-06-02 14:06:15 -07:00
Leonardo de Moura
2f9005827c feat(library/init/logic): 'if-then-else' and 'dependent-if-then-else' congruence theorems 
We will use these theorems to test the new simplifier.
 2015-06-02 13:27:50 -07:00
Leonardo de Moura
50fe4ec6c0 feat(library/data/encodable): add quot.rep definition for choosing equivalence class representative for equivalence classes of encodable types 2015-06-02 11:03:24 -07:00
Leonardo de Moura
e7448ca77e feat(library/init/quot): add exists_rep theorem for quotients 2015-06-02 10:52:07 -07:00
Leonardo de Moura
1ea56038e3 feat(library/init/quot): add has_decidable_eq definition for quotients 2015-06-02 10:47:20 -07:00
Leonardo de Moura
cfb102cbd1 fix(emacs/lean-mode): disable electric-indent-mode 
closes #636
 2015-06-01 22:42:57 -07:00
Leonardo de Moura
b2f8d2000c fix(library/simplifier/rewrite_rule_set): avoid compiler specific behavior 2015-06-01 22:23:34 -07:00
Leonardo de Moura
d6997300f1 fix(library/private): use environment fingerprint to compute private decls "unique" identifier 
fixes #648
 2015-06-01 22:21:31 -07:00
Leonardo de Moura
4ace996057 fix(library/simplifier): bug in is_permutation_ceqv 2015-06-01 18:07:31 -07:00
Leonardo de Moura
0fbc944cdd feat(frontends/lean): add '[rewrite]' attribute 2015-06-01 17:58:24 -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
9fc7bc6d25 chore(README): remove coverity link 2015-06-01 15:50:09 -07:00
Leonardo de Moura
b6fde68012 feat(frontends/lean/decl_cmds): avoid funny names when displaying error messages for "examples" 2015-06-01 15:35:28 -07:00
Leonardo de Moura
b62e6bb133 feat(library/simplifier): add rewrite rule sets 2015-06-01 15:15:57 -07:00
Leonardo de Moura
780d313686 fix(library/annotation): add missing == and hash methods for annotation class 
We have multiple annotations. The default == and hash methods were
ignoring that.
 2015-06-01 11:27:46 -07:00
Rob Lewis
b1404c5943 feat(library/data/real): fill in sorrys in proof that R is l.o. field 2015-06-01 23:00:53 +10:00
Rob Lewis
9843e61583 feat(library/data/real): define inverses of reals, prove (classically) that R is a discrete linear ordered field 2015-06-01 23:00:53 +10:00
Jeremy Avigad
fabdae6d54 refactor(hott/algebra/ring.lean,ordered_ring.lean): rename some theorems 2015-06-01 12:35:44 +10:00
Jeremy Avigad
82142b60f0 refactor(library/data/finset/basic.lean): remove finset / finset.finset duplicate 2015-06-01 12:35:44 +10:00
Jeremy Avigad
dcae29a253 feat(library/data/int/gcd.lean): add gcd for the integers 2015-06-01 12:35:44 +10:00
Jeremy Avigad
ffa648a090 feat/refactor(library/*): various additions and improvements 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
Leonardo de Moura
1238f43575 feat(library/logic/examples): add "double-negation translation" example 2015-05-31 18:18:10 -07:00
Leonardo de Moura
55608c9b9f fix(frontends/lean/pp): bug in pp arrow 2015-05-31 17:21:37 -07:00