Leonardo de Moura
52e9ad1a98
feat(frontends/lean): allow persistent notation declaration in sections (when they do not contain parameters)
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see issue #554
2015-04-21 19:04:06 -07:00
Leonardo de Moura
bf8a7eb9b4
fix(library/scoped_ext): bug in local metadata in sections
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The problem is described in issue #554
2015-04-21 18:56:28 -07:00
Leonardo de Moura
697a536d9e
fix(library/tactic/inversion_tactic): type incorrect term being built by 'cases' tactic
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fixes #545
2015-04-20 19:24:52 -07:00
Leonardo de Moura
68d4978953
feat(shell/lean): trap 'std::bad_alloc' and print nicer error message
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See #489
2015-04-20 17:55:00 -07:00
Leonardo de Moura
47e37a3353
feat(kernel/metavar): add additional assertions
2015-04-20 17:46:06 -07:00
Leonardo de Moura
eb23a30626
feat(library/unifier): additional memory checks
2015-04-20 17:41:08 -07:00
Leonardo de Moura
28dad944c5
fix(library/unifier): cyclic assignment (?M <- ?M)
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This was producing nonterminating behavior on example described at issue #489
2015-04-20 17:35:37 -07:00
Leonardo de Moura
431eade894
fix(library/tactic/inversion_tactic): incorrect use of optimization
2015-04-20 16:21:44 -07:00
Leonardo de Moura
107763a506
fix(frontends/lean): better error message for 'proof ... qed' blocks containing unsolved placeholders
2015-04-20 15:50:37 -07:00
Leonardo de Moura
df05edf333
feat(frontends/lean): generate warning when 'exit' is used
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closes #553
2015-04-20 14:45:39 -07:00
Leonardo de Moura
6f6d106a10
feat(library/tactic): add "check_expr" tactic
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closes #486
2015-04-19 19:00:05 -07:00
Leonardo de Moura
60e320fd79
feat(frontends/lean): protected constants and axioms
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fixes #527
2015-04-19 17:45:58 -07:00
Leonardo de Moura
b7ca2a0ec9
fix(library/tactic/exact_tactic): exact and or_else
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fixes #543
2015-04-19 17:23:09 -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
3e5796acb2
fix(tests/lean/abbrev1): to reflect recent changes
2015-04-18 10:40:46 -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
Soonho Kong
3d79f89f5e
fix(emacs/lean-mode): lean-execute
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shell-quote-argument also escapes '~' into '\~' which causes a problem.
This fix first calls 'f-full' to get a absolute path, then call
shell-quote-argument.
close #544
2015-04-16 19:27:42 -04:00
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
f16eaf8f0f
test(tests/lean/run/pickle1): add unpickle/pickle test
2015-04-14 21:32:07 -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
Leonardo de Moura
faca0acd26
feat(library/data/nat/sqrt): add sqrt_eq theorem
2015-04-14 15:38:54 -07:00
Leonardo de Moura
11dbcda9d2
feat(library/data/nat/pairing): add "elegant" pairing/unpairing function
2015-04-14 09:01:15 -07:00
Leonardo de Moura
2eb7538c96
fix(library/data/nat/sqrt): adjust to reflect recent changes
2015-04-14 09:01:15 -07:00
Leonardo de Moura
4180b80df6
feat(library/data/nat/power): define power and add basic theorems
2015-04-14 09:01:15 -07:00
Leonardo de Moura
ff72a520ff
feat(library/data/nat/div): add mul_cancel theorems
2015-04-14 09:01:15 -07:00
Leonardo de Moura
c73c1dbb63
feat(library/data/nat/sub): add two extra theorems
2015-04-14 09:01:15 -07:00
Leonardo de Moura
11c9bb4626
feat(library/data/nat): naive square root function
2015-04-14 09:01:15 -07:00
Leonardo de Moura
2453a6ab45
feat(library/data/countable): define countable type class
2015-04-14 09:01:15 -07:00
Leonardo de Moura
a24d4e47cd
feat(library/init/nat): add missing decidable_ge and decidable_lt
2015-04-14 09:01:15 -07:00
Leonardo de Moura
82eada7d56
feat(library/data/list/basic): add find nth theorem
2015-04-14 09:01:15 -07:00
Soonho Kong
20b594e1cd
fix(emacs/lean-mode.el): use 'shell-quote-argument' in lean-execute
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close #544
2015-04-13 14:19:39 +01:00
Leonardo de Moura
07e195e9f1
feat(library/data/fintype): add decidable_finite_pred instance
2015-04-12 20:07:04 -07:00
