Jeremy Avigad
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1c93c5bbb2
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feat(library/logic/{connectives.lean,quantiers.lean}): add iff congruence rules
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2015-06-08 16:58:08 +10:00 |
|
Floris van Doorn
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ff41886a32
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feat(nat/bquant): give instances for quantification bounded with le
also add theorems c_iff_c to logic/connectives, where c is a connective
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2015-06-04 20:14:13 -04:00 |
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Floris van Doorn
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876aa20ad6
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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
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2015-06-04 20:14:12 -04:00 |
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Jeremy Avigad
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df69bb4cfc
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feat(library/*): add theorems from Haitao on sets and functions, clean up
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2015-06-04 11:55:25 -07:00 |
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Jeremy Avigad
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03952ae12c
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feat(library/logic/{connectives,identities},library/algebra/function): cleanup and some additions from Haitao Zhang
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2015-06-04 11:55:25 -07:00 |
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Leonardo de Moura
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2f9005827c
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feat(library/init/logic): 'if-then-else' and 'dependent-if-then-else' congruence theorems
We will use these theorems to test the new simplifier.
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2015-06-02 13:27:50 -07:00 |
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Jeremy Avigad
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e4c75ae8ae
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feat(library/logic/connective.lean): add distributivity laws
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2015-05-08 19:51:37 +10:00 |
|
Leonardo de Moura
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7aa0e466a5
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test(library): test new 'obtain' expression in the standard library
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2015-05-05 18:30:16 -07:00 |
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Jeremy Avigad
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e76e445ece
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feat(library/logic/connectives.lean): add calculation rules for true and false, and move exists unique to quantifiers
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2015-04-05 12:15:21 -04:00 |
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Leonardo de Moura
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c04c610b7b
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feat(frontends/lean): add 'assert H : A, ...' as notation for 'have H [visible] : A, ...'
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2015-02-25 14:30:42 -08:00 |
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Leonardo de Moura
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abe129aa4f
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refactor(library): rename theorems "iff.flip_sign -> not_iff_not_of_iff" and "decidable_iff_equiv -> decidable_of_decidable_of_iff"
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2014-12-15 19:17:51 -08:00 |
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Leonardo de Moura
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5cf8064269
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refactor(library): rename exists_elim and exists_intro to exists.elim
and exists.intro
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2014-12-15 19:07:38 -08:00 |
|
Jeremy Avigad
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da719e6ee4
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refactor(library/logic): rename theorems
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2014-12-15 16:13:04 -05:00 |
|
Jeremy Avigad
|
3e9a484851
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refactor(library/logic/connectives): rename theorems
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2014-12-15 15:05:44 -05:00 |
|
Leonardo de Moura
|
477d79ae47
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refactor(library/init): move more theorems to logic
|
2014-12-12 13:50:53 -08:00 |
|
Leonardo de Moura
|
d6c8e23b03
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refactor(library/init/logic): move theorems to library/logic
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2014-12-12 13:24:17 -08:00 |
|
Leonardo de Moura
|
697d4359e3
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refactor(library): add 'init' folder
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2014-11-30 20:34:12 -08:00 |
|
Leonardo de Moura
|
dad94eafbe
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refactor(data/nat/decl): use new naming convention at data/nat/decl.lean
|
2014-11-30 15:07:09 -08:00 |
|
Leonardo de Moura
|
29a0d3109b
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refactor(library/logic/connectives): mark theorems used to prove 'decidable' theorems as transparent
if we don't this, then 'if-then-else' expressions depending on theorems
such as 'and_decidable', 'or_decidable' will not compute inside the kernel
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2014-11-22 09:32:43 -08:00 |
|
Leonardo de Moura
|
6c7e23ecaa
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refactor(library): use 'reserve' notation in the standard library
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2014-10-21 15:39:47 -07:00 |
|
Leonardo de Moura
|
d6d0593afb
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refactor(library): remove some unnecessary sections
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2014-10-10 16:33:58 -07:00 |
|
Leonardo de Moura
|
73aa024c31
|
refactor(library/logic): remove 'core' subdirectory
|
2014-10-05 10:50:13 -07:00 |
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