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
|
59b11c815c
|
refactor(library/data/list/perm): remove unnessary lambda abstractions
The contradiction tactic takes care of it.
|
2015-04-30 14:02:19 -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
|
f60dc8ae8f
|
refactor(library/init/nat): cleanup
|
2015-04-30 10:10:13 -07:00 |
|
Leonardo de Moura
|
018f768555
|
chore(library): remove some unnecessary parentheses
|
2015-04-29 14:39:59 -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
|
17c07cdb02
|
feat(library/data/rat/order): define abs and sign for rat before migrate
|
2015-04-27 12:59:02 -07:00 |
|
Jeremy Avigad
|
7a1064b7e8
|
refactor(library/algebra/order.lean): rename a field in an order structure
|
2015-04-27 12:03:41 -07:00 |
|
Jeremy Avigad
|
d8e40d90d6
|
feat(library/data/rat/order.lean): make rat a linear ordered field
|
2015-04-27 12:03:41 -07:00 |
|
Leonardo de Moura
|
76c773ad3d
|
feat(library/data/examples/depchoice): add dependent choice example
|
2015-04-26 12:56:23 -07:00 |
|
Leonardo de Moura
|
072bf0b3b4
|
refactor(library): make sure "choose" compute inside the kernel
|
2015-04-25 23:10:48 -07:00 |
|
Leonardo de Moura
|
d455bb4c5b
|
feat(library/data/fintype): add decidable_exists_finite
|
2015-04-25 21:38:03 -07:00 |
|
Leonardo de Moura
|
6bb6644c25
|
feat(library/data/squash): define squash type using quotients
|
2015-04-24 18:11:25 -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
|
1149ead14c
|
chore(library/logic/examples/colog88): remove unnecessary annotation
|
2015-04-24 12:45:06 -07:00 |
|
Leonardo de Moura
|
a5306e70eb
|
feat(library/logic/examples/negative): add example showing that allowing negative inductive datatypes would lead to inconsistency
|
2015-04-24 09:33:09 -07:00 |
|
Leonardo de Moura
|
15c331591e
|
feat(library/logic/examples/colog88): add example from COLOG-88 paper
|
2015-04-24 09:33:09 -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 |
|
Leonardo de Moura
|
670eac9d50
|
refactor(library): avoid 'context' command in the standard library
|
2015-04-21 19:13:19 -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 |
|
Leonardo de Moura
|
306087b5d3
|
refactor(library/data): rename 'countable' to 'encodable', define countable in the usual way, and prove all 'encodable' type is 'countable'
|
2015-04-19 14:20:47 -07:00 |
|
Jeremy Avigad
|
f4398115b4
|
feat(library/data/rat/basic.lean): begin theory of rationals, show rat is a field
|
2015-04-18 11:39:52 -07:00 |
|
Jeremy Avigad
|
6359132b67
|
refactor(library/algebra/field.lean): rename has_decidable_eq and declare instance
|
2015-04-18 11:39:52 -07:00 |
|
Jeremy Avigad
|
dfaeb475cc
|
feat(library/init/reserved_notation.lean): add equiv relation symbol
|
2015-04-18 11:39:52 -07:00 |
|
Jeremy Avigad
|
5eb7fef564
|
feat(library/algebra/order.lean, data/int/{basic,order}.lean): add theorem, correct gt_trans
|
2015-04-18 11:39:52 -07:00 |
|
Jeremy Avigad
|
53919699bc
|
refactor(library/logic/axioms/prop_decidable.lean): simplify proof of prop_decidable (using arbitrary instead of epsilon)
|
2015-04-18 11:39:52 -07:00 |
|
Leonardo de Moura
|
cc63a40a01
|
feat(library): enforce name conventions on old nat declarations
|
2015-04-18 10:50:30 -07:00 |
|
Leonardo de Moura
|
10954a073c
|
feat(library/logic/examples): add new example from Martín Escardó paper
|
2015-04-17 15:22:52 -07:00 |
|
Leonardo de Moura
|
9cb759e0a9
|
feat(library/logic/axioms/examples/leftinv_of_inj): add classical example
|
2015-04-16 22:39:51 -07:00 |
|
Leonardo de Moura
|
3b84a63874
|
fix(library/algebra/function): terminology
|
2015-04-16 20:52:18 -07:00 |
|
Leonardo de Moura
|
2e675c1bdd
|
feat(library/data/examples/notcountable): add example showing that nat -> nat is not countable
|
2015-04-16 14:54:34 -07:00 |
|
Leonardo de Moura
|
df8ebeeefc
|
feat(library/logic/axioms/examples/diaconescu): remove redundant hypothesis
|
2015-04-16 14:04:09 -07:00 |
|
Leonardo de Moura
|
7529ee0a5c
|
feat(library/data/countable): prove axiom of choice and skolem theorem for countable types and decidable relations
|
2015-04-16 12:36:27 -07:00 |
|
Leonardo de Moura
|
0dd7667836
|
feat(library/data/countable): choice function for countable types
|
2015-04-16 12:29:06 -07:00 |
|
Leonardo de Moura
|
7a4f43d6ab
|
feat(library/data/nat/choose): choice function for natural numbers
|
2015-04-16 11:33:26 -07:00 |
|
Leonardo de Moura
|
b14d3dbeba
|
chore(library/data/countable): add copyright notice
|
2015-04-16 09:24:53 -07:00 |
|
Leonardo de Moura
|
036900280d
|
feat(library/data/countable): show that a type is countable by providing an injection to a type already known to be countable
|
2015-04-15 10:30:24 -07:00 |
|
Leonardo de Moura
|
039f1de524
|
fix(library/data/countable): typos
|
2015-04-14 21:26:56 -07:00 |
|
Leonardo de Moura
|
9534cfe92f
|
feat(library/data/countable): prove that (list A) is countable if A is countable
|
2015-04-14 21:17:18 -07:00 |
|
Leonardo de Moura
|
a7db8a2bac
|
theorem(library/data/countable): prove that the product of two countable types is countable
|
2015-04-14 20:39:58 -07:00 |
|
Leonardo de Moura
|
38b880b939
|
feat(library/data/nat/pairing): add unpair_mkpair theorem
|
2015-04-14 20:28:20 -07:00 |
|
Leonardo de Moura
|
f7a43c7997
|
feat(library/data/nat/sqrt): generalize sqrt_eq theorem
|
2015-04-14 20:10:18 -07:00 |
|