Leonardo de Moura
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670eac9d50
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refactor(library): avoid 'context' command in the standard library
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2015-04-21 19:13:19 -07:00 |
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Leonardo de Moura
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bf8a7eb9b4
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fix(library/scoped_ext): bug in local metadata in sections
The problem is described in issue #554
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2015-04-21 18:56:28 -07:00 |
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Leonardo de Moura
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306087b5d3
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refactor(library/data): rename 'countable' to 'encodable', define countable in the usual way, and prove all 'encodable' type is 'countable'
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2015-04-19 14:20:47 -07:00 |
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Jeremy Avigad
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f4398115b4
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feat(library/data/rat/basic.lean): begin theory of rationals, show rat is a field
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2015-04-18 11:39:52 -07:00 |
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Jeremy Avigad
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5eb7fef564
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feat(library/algebra/order.lean, data/int/{basic,order}.lean): add theorem, correct gt_trans
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2015-04-18 11:39:52 -07:00 |
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Leonardo de Moura
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cc63a40a01
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feat(library): enforce name conventions on old nat declarations
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2015-04-18 10:50:30 -07:00 |
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Leonardo de Moura
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3b84a63874
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fix(library/algebra/function): terminology
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2015-04-16 20:52:18 -07:00 |
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Leonardo de Moura
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2e675c1bdd
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feat(library/data/examples/notcountable): add example showing that nat -> nat is not countable
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2015-04-16 14:54:34 -07:00 |
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Leonardo de Moura
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7529ee0a5c
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feat(library/data/countable): prove axiom of choice and skolem theorem for countable types and decidable relations
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2015-04-16 12:36:27 -07:00 |
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Leonardo de Moura
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0dd7667836
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feat(library/data/countable): choice function for countable types
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2015-04-16 12:29:06 -07:00 |
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Leonardo de Moura
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7a4f43d6ab
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feat(library/data/nat/choose): choice function for natural numbers
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2015-04-16 11:33:26 -07:00 |
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Leonardo de Moura
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b14d3dbeba
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chore(library/data/countable): add copyright notice
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2015-04-16 09:24:53 -07:00 |
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Leonardo de Moura
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036900280d
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feat(library/data/countable): show that a type is countable by providing an injection to a type already known to be countable
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2015-04-15 10:30:24 -07:00 |
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Leonardo de Moura
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039f1de524
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fix(library/data/countable): typos
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2015-04-14 21:26:56 -07:00 |
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Leonardo de Moura
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9534cfe92f
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feat(library/data/countable): prove that (list A) is countable if A is countable
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2015-04-14 21:17:18 -07:00 |
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Leonardo de Moura
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a7db8a2bac
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theorem(library/data/countable): prove that the product of two countable types is countable
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2015-04-14 20:39:58 -07:00 |
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Leonardo de Moura
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38b880b939
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feat(library/data/nat/pairing): add unpair_mkpair theorem
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2015-04-14 20:28:20 -07:00 |
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Leonardo de Moura
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f7a43c7997
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feat(library/data/nat/sqrt): generalize sqrt_eq theorem
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2015-04-14 20:10:18 -07:00 |
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Leonardo de Moura
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faca0acd26
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feat(library/data/nat/sqrt): add sqrt_eq theorem
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2015-04-14 15:38:54 -07:00 |
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Leonardo de Moura
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11dbcda9d2
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feat(library/data/nat/pairing): add "elegant" pairing/unpairing function
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2015-04-14 09:01:15 -07:00 |
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Leonardo de Moura
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2eb7538c96
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fix(library/data/nat/sqrt): adjust to reflect recent changes
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2015-04-14 09:01:15 -07:00 |
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Leonardo de Moura
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4180b80df6
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feat(library/data/nat/power): define power and add basic theorems
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2015-04-14 09:01:15 -07:00 |
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Leonardo de Moura
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ff72a520ff
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feat(library/data/nat/div): add mul_cancel theorems
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2015-04-14 09:01:15 -07:00 |
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Leonardo de Moura
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c73c1dbb63
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feat(library/data/nat/sub): add two extra theorems
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2015-04-14 09:01:15 -07:00 |
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Leonardo de Moura
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11c9bb4626
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feat(library/data/nat): naive square root function
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2015-04-14 09:01:15 -07:00 |
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Leonardo de Moura
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2453a6ab45
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feat(library/data/countable): define countable type class
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2015-04-14 09:01:15 -07:00 |
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Leonardo de Moura
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82eada7d56
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feat(library/data/list/basic): add find nth theorem
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2015-04-14 09:01:15 -07:00 |
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Leonardo de Moura
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07e195e9f1
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feat(library/data/fintype): add decidable_finite_pred instance
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2015-04-12 20:07:04 -07:00 |
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Leonardo de Moura
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00d68cadc8
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refactor(library/data/fintype): cleanup and mark location that exposes bug in the 'cases' tactic
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2015-04-12 17:52:41 -07:00 |
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Leonardo de Moura
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f523d3a995
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feat(library/data): add structure for converting a list of elements into a type, and then show the resultant type is a finite type
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2015-04-12 17:33:58 -07:00 |
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Leonardo de Moura
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d9f8b0f3d7
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feat(library/data/finset/comb): add cross_product to finset
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2015-04-11 19:46:04 -07:00 |
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Leonardo de Moura
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4c827293a8
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feat(library/data/list/perm): add perm_cross_product theorem
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2015-04-11 19:13:34 -07:00 |
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Leonardo de Moura
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41ddc97e0d
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feat(library/data/list): define filter function for lists
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2015-04-11 18:22:22 -07:00 |
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Leonardo de Moura
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c437fbe0bc
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feat(library/data/fintype): prove that A->B has decidable equality when A is a finite type and B has decidable equality
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2015-04-11 16:45:27 -07:00 |
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Leonardo de Moura
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3edf0dffdf
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feat(library/data/finset): define subset for finsets
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2015-04-11 15:29:12 -07:00 |
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Leonardo de Moura
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dfef4c5daf
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feat(library/data): define fintype type class
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2015-04-11 14:55:41 -07:00 |
|
Leonardo de Moura
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06d4ae971d
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feat(library/data/list): add nodup_cross_product theorem
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2015-04-11 14:31:01 -07:00 |
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Leonardo de Moura
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54a2d9750e
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refactor(library/data): simplify definition of disjoint
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2015-04-11 14:04:09 -07:00 |
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Leonardo de Moura
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ee895e00dd
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feat(library/data/list): define cross_product for lists
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2015-04-11 13:52:50 -07:00 |
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Leonardo de Moura
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fefddcd0f9
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fix(library/data/list/perm): broken theorem
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2015-04-11 09:42:24 -07:00 |
|
Leonardo de Moura
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1b34f40f36
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feat(library/data/list/set): add decidable_nodup
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2015-04-11 09:39:26 -07:00 |
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Leonardo de Moura
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dff05557a3
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feat(library/data/finset): add all combinator theorems
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2015-04-11 09:28:27 -07:00 |
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Leonardo de Moura
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5304c5afb8
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feat(library/data/list/set): add 'all' theorems
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2015-04-11 09:28:05 -07:00 |
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Leonardo de Moura
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32b07c4561
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feat(library/data/finset): define map for finset
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2015-04-10 17:14:10 -07:00 |
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Leonardo de Moura
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a24c0bf1db
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feat(library/data/finset): define intersection for finsets
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2015-04-10 16:45:25 -07:00 |
|
Leonardo de Moura
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49d6d43926
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feat(library/data/list): define intersection for lists
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2015-04-10 16:31:44 -07:00 |
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Leonardo de Moura
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d59c671054
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feat(library/data/list/comb): define upto list generator
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2015-04-10 15:32:44 -07:00 |
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Leonardo de Moura
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9d8b5aa347
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feat(library/data/list/comb): add any/all theorems
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2015-04-10 07:01:14 -07:00 |
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Leonardo de Moura
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5caa983919
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feat(library/data/finset): redefine bigop for finset
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2015-04-10 06:13:32 -07:00 |
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Leonardo de Moura
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53f730ec82
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feat(library/data/list/bigop): add bigop perm theorem
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2015-04-10 06:01:23 -07:00 |
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