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168 commits

Author SHA1 Message Date
Leonardo de Moura
d152f38518 feat(library/tactic): add 'constructor', 'split', 'left', 'right' and 'existsi' tactics 
see issue #500
 2015-04-30 17:52:29 -07:00
Leonardo de Moura
1c6067bac2 feat(library/tactic): add 'exfalso' tactic 
see issue #500
 2015-04-30 15:43:07 -07:00
Leonardo de Moura
9760968b45 refactor(library,hott): use/test new 'contradiction' tactic in the standard and hott libraries 2015-04-30 13:56:12 -07:00
Leonardo de Moura
9c8a63caec feat(library/tactic): add 'contradiction' tactic 
see issue #500

Remark: this tactic also applies no_confusion to take care of a contradiction
 2015-04-30 13:47:40 -07:00
Leonardo de Moura
3233008039 feat(library/tactic): allow user to name generalized term in the 'generalize' tactic 
closes #421
 2015-04-30 11:57:40 -07:00
Leonardo de Moura
3912bc24c8 feat(frontends/lean): nicer syntax for 'intros' 'reverts' and 'clears' 2015-04-30 11:00:39 -07:00
Leonardo de Moura
e384894f7a chore(hott/cubical/square): remove unnecessary annotations added in previous commit 2015-04-29 12:25:31 -07:00
Leonardo de Moura
b790ca9806 fix(library/tactic/rewrite_tactic): type check rewriting steps 
closes #550
 2015-04-29 12:16:37 -07:00
Floris van Doorn
297d50378d feat(hott): add definitions using truncations and theorems about them 
define embedding, (split) surjection, retraction, existential quantifier, 'or' connective
also add a whole bunch of theorems about these definitions

still has two sorry's which can be solved after #564 is closed
 2015-04-29 10:04:07 -07:00
Floris van Doorn
15c2ee289f feat(hott): make some fibrations in path.hlean implicit, and a bit of renaming in init 2015-04-29 10:04:07 -07:00
Floris van Doorn
5349839fa9 feat(hott): define pathovers and squares 2015-04-29 10:04:07 -07:00
Floris van Doorn
dbdb8e6050 feat(circle): prove the path computation rule for the circle 2015-04-29 10:04:07 -07:00
Floris van Doorn
c23e707874 feat(circle): define circle as sphere 1, remove all but 1 sorry 2015-04-29 10:04:07 -07:00
Floris van Doorn
6c061991cc feat(hit): prove path computation rules for all hits except the circle 2015-04-29 10:04:07 -07:00
Floris van Doorn
70a2f6534c feat(hit): derive path computation rule for elim and elim_type for every hit 
also make argument of eq_of_rel implicit
also remove most sorry's for hits

path computation rule for rec still needs to be done for all hits
 2015-04-29 10:04:07 -07:00
Floris van Doorn
4173c958f7 feat(init.ua): add some useful consequences of ua 2015-04-29 10:04:07 -07:00
Floris van Doorn
40086d0084 feat(hott): standardize the naming of definitions proving equality of elements of a structure 
examples:
foo_eq : Pi {A B : foo}, _ -> A = B
foo_mk_eq : Pi _, foo.mk _ = foo.mk _ (if constructor is called "bar", then this becomes "bar_eq")
foo_eq_equiv : Pi {A B : foo}, (A = B) ≃ _

also changed priority of some instances of is_trunc
 2015-04-29 10:04:06 -07:00
Floris van Doorn
b70841171a fix(hott): rename retr and sect to right_inv and left_inv 2015-04-29 10:04:06 -07:00
Floris van Doorn
797a2d2047 refactor(category): merge precategory/ and category/, organize construction files differently. 2015-04-29 10:04:06 -07:00
Floris van Doorn
23e6a3131d feat(precategory): add two redundant fields to precategory. Also some cleanup. 
In particular, all instances of "set_option apply.class_instance false" are removed
 2015-04-29 10:04:06 -07:00
Floris van Doorn
48f1aff848 feat(hott): add hit-markdown file 2015-04-29 10:04:06 -07:00
Floris van Doorn
052fbe0228 refactor(hott.init): remove subdirectories, merge some files 2015-04-29 10:04:06 -07:00
Floris van Doorn
86012d841b fix(hott): make f explicit in is_equiv.mk and a bit of renaming in init 2015-04-29 10:04:06 -07:00
Floris van Doorn
e769fdd9dc feat(hott): make some arguments in init.path implicit and rename apD to apd 2015-04-29 10:04:06 -07:00
Leonardo de Moura
d2c7b5c319 feat(library/tactic): add 'let' tactic 
closes #555
 2015-04-28 17:24:43 -07:00
Leonardo de Moura
a23118d357 feat(frontends/lean): add tactic_notation command 
This addresses the first part of issue #461

We still need support for tactic definitions
 2015-04-27 17:46:13 -07:00
Leonardo de Moura
ca8943f45b feat(library,hott): remove rapply tactic 2015-04-27 15:06:16 -07:00
Leonardo de Moura
dcc94dde82 refactor(kernel): rename may_reduce_later to is_stuck, and make is_stuck more precise 
It now reflects the definition used in the elaboration paper.
 2015-04-27 11:20:15 -07:00
Leonardo de Moura
9d01868361 feat(frontends/lean): use rewrite tactic to implement unfold (it has a unfold step) 
closes #502
 2015-04-24 17:23:12 -07:00
Leonardo de Moura
8241863abe feat(kernel/hits): add two builtin HITs: type_quotient and trunc 2015-04-23 15:32:31 -07:00
Floris van Doorn
591a563be3 feat(hit): For all hits, add the elimination to the universe (using ua) 2015-04-23 14:29:04 -07:00
Floris van Doorn
f41d92199a feat(hit): make type quotient primitive instead of colimit 2015-04-23 14:29:04 -07:00
Floris van Doorn
1d9c17342a feat(hit): define mapping cylinder, coequalizer and quotient in terms of colimit 2015-04-23 14:29:04 -07:00
Floris van Doorn
51e87213d0 feat(hit): define nondependent recursors for all hits, sequential colimit, and elaborate on spheres 
squash
 2015-04-23 14:29:04 -07:00
Floris van Doorn
ffe158f785 feat(hit.suspension): add definition of spheres and the circle 2015-04-23 14:29:04 -07:00
Floris van Doorn
2469b8a2f8 feat(hott): add primitive hits 2015-04-23 14:29:04 -07:00
Floris van Doorn
cb5b07093f fix(arity): remove unnecessary implicit arguments 2015-04-23 14:29:04 -07:00
Leonardo de Moura
2613e7c444 fix(frontends/lean): bug when handling identifiers in tactics 
This bug was reported by Jeremy in the Lean Google group:
https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/lean-discuss/ZKJ8WPPEVJA/n05x6rPRzvMJ
 2015-04-22 16:03:22 -07:00
Floris van Doorn
9d805437f0 fix(reserved_notation): lower binding power of 'iff' 2015-04-22 13:06:11 -07:00
Floris van Doorn
b86ee9dfa6 feat(precategory): add composition of nat. trans. with functor 2015-04-22 13:06:11 -07:00
Floris van Doorn
a79a3043ed feat(hott/types): a bit of cleanup 2015-04-22 13:06:11 -07:00
Floris van Doorn
ee4cba4e0b style(hott): a bit of cleanup 2015-04-22 13:06:11 -07:00
Floris van Doorn
17f3ac6ec2 fix(hott): fix binding power of 2 notations 2015-04-22 13:06:11 -07:00
Leonardo de Moura
22f6a95cc4 feat(frontends/lean): local notation override global one 2015-04-21 19:55:59 -07:00
Leonardo de Moura
3df99e514b fix(frontends/lean): problems with sections 2015-04-21 19:46:57 -07:00
Leonardo de Moura
76bf8de91a refactor(hott): remove most 'context' commands from the HoTT library 2015-04-21 19:17:59 -07:00
Leonardo de Moura
bf8a7eb9b4 fix(library/scoped_ext): bug in local metadata in sections 
The problem is described in issue #554
 2015-04-21 18:56:28 -07:00
Leonardo de Moura
6f6d106a10 feat(library/tactic): add "check_expr" tactic 
closes #486
 2015-04-19 19:00:05 -07:00
Floris van Doorn
60ae9f627c feat(hott): add core.hlean and types/default.hlean 2015-04-10 06:35:24 -07:00
Floris van Doorn
d1b98b6919 fix(reserved_notation): make is_typeof an abbreviation 2015-04-10 06:35:15 -07:00