Jeremy Avigad
566acf4b31
feat(library/data/finset/card.lean): add card_Union_of_disjoint and other theorems
2015-05-17 19:06:10 +10:00
Jeremy Avigad
6549940c63
feat(library/data/finset/bigops.lean): add Union for finsets
2015-05-17 17:50:32 +10:00
Jeremy Avigad
9720d84095
refactor(library/algebra/group_bigops.lean,library/data/nat/bigops.lean): add ext principle, clean up file
2015-05-17 16:00:38 +10:00
Jeremy Avigad
4764f6e8ec
refactor(library/algebra/group_bigops.lean,library/data/nat/bigops.lean): simplify naming scheme for bigops
2015-05-17 15:24:37 +10:00
Jeremy Avigad
7bde8193fe
feat(library/algebra/order): add alternate names for le.antisymm etc.
2015-05-17 12:54:36 +10:00
Jeremy Avigad
ff701a9812
feat(library/data/nat/bigops.lean): add finite products and sums for nat
2015-05-16 22:26:59 +10:00
Jeremy Avigad
eae047bd31
refactor,feat(library/{data,algebra}): move bigops to algebra, define sums
2015-05-16 18:42:13 +10:00
Jeremy Avigad
87e4f7a951
feat(library/algebra/group.lean): add coercions from additive (comm) monoid to (comm) monoid
2015-05-16 18:27:49 +10:00
Jeremy Avigad
daf53e4de2
fix(library/algebra/order.lean): rename decidable_eq to had_decidable_eq to avoid conflict
2015-05-16 17:53:35 +10:00
Jeremy Avigad
8de6a4bb4c
feat(library/algebra/group_pow.lean,library/data/nat/power.lean): add generic power operation on monoids and groups
2015-05-13 22:19:02 -07:00
Floris van Doorn
0a8f4f6dab
feat(function): add unfold hints to function.[h]lean
2015-05-07 16:39:03 -07:00
Leonardo de Moura
64cc710ff7
refactor(ordered_group): replace 'match' with 'obtain'
2015-05-06 10:34:43 -07:00
Leonardo de Moura
cd17618f4a
refactor(library): replace 'calc_trans', 'calc_symm', 'calc_refl' and 'calc_subst' commands with attributes '[symm]', '[refl]', '[trans]' and '[subst]'
...
These attributes are used by the calc command.
They will also be used by tactics such as 'reflexivity', 'symmetry' and
'transitivity'.
See issue #500
2015-05-02 15:15:35 -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
018f768555
chore(library): remove some unnecessary parentheses
2015-04-29 14:39:59 -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
Leonardo de Moura
670eac9d50
refactor(library): avoid 'context' command in the standard library
2015-04-21 19:13:19 -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
5eb7fef564
feat(library/algebra/order.lean, data/int/{basic,order}.lean): add theorem, correct gt_trans
2015-04-18 11:39:52 -07:00
Leonardo de Moura
3b84a63874
fix(library/algebra/function): terminology
2015-04-16 20:52:18 -07:00
Leonardo de Moura
3df7fe120c
feat(library/algebra/function): define curry and uncurry functions
2015-04-11 16:45:07 -07:00
Leonardo de Moura
5ba5e66665
feat(library/algebra/binary): add auxiliary theorems
2015-04-09 11:00:59 -07:00
Leonardo de Moura
d5176ebae5
refactor(library/algebra/binary): define right_commutative and left_commutative
2015-04-09 10:54:28 -07:00
Leonardo de Moura
754276a660
feat(frontends/lean): round parenthesis for [tactic1 | tactic2]
...
This commit also replaces the notation for divides
`(` a `|` b `)`
with
a `∣` b
The character `∣` is entered by typing \|
closes #516
2015-04-06 09:24:09 -07:00
Leonardo de Moura
4ec0e1b07c
feat(frontends/lean): improve calc mode
...
Now, it automatically supports transitivity of the form
(R a b) -> (b = c) -> R a c
(a = b) -> (R b c) -> R a c
closes #507
2015-04-04 08:58:35 -07:00
Leonardo de Moura
3b0f666646
feat(library/algebra/function): define injective
2015-04-03 15:43:44 -07:00
Leonardo de Moura
ed1acd9fb0
feat(library/init): move propext to init/quot, add Jeremy's funext theorem
2015-04-01 12:36:33 -07:00
Leonardo de Moura
87f6fc6b6a
feat(library/algebra/ring): remove sorrys
2015-03-30 11:55:48 -07:00
Leonardo de Moura
56af7ba535
feat(library/algebra/ordered_ring): remove sorry
2015-03-30 11:01:26 -07:00
Leonardo de Moura
75621df52b
feat(frontends/lean): uniform notation for lists in tactics
...
closes #504
2015-03-27 17:54:48 -07:00
Rob Lewis
abcc56a2a7
feat(library/algebra):refactor field and ordered_field more appropriately
2015-03-27 11:54:11 -07:00
Rob Lewis
b79f600fbc
style(library/algebra/ordered_field):fix indentation, shorten calc statements
2015-03-27 11:52:30 -07:00
Rob Lewis
94b9aaea45
feat(library/algebra/ordered_field): prove more theorems
2015-03-27 11:52:30 -07:00
Rob Lewis
a1028922bd
feat(library/algebra/ordered_field): complete proofs of many theorems. Define discrete linear ordered field
2015-03-27 11:52:30 -07:00
Rob Lewis
4099de7754
feat(library/algebra/field): redefine field so that 1/0=0. Many theorems lose hypotheses in discrete setting.
2015-03-27 11:52:29 -07:00
Rob Lewis
365f1ebcb6
feat(library/algebra/ordered_field): prove more theorems for ordered field
2015-03-27 11:45:57 -07:00
Rob Lewis
11f82eacfb
feat(library/algebra/ordered_field.lean): add ordered fields
2015-03-27 11:45:57 -07:00
Jeremy Avigad
765f6f21f8
fix(library/algebra/ring.lean): allow degenerate semirings and rings, but not degenerate ordered_semirings and ordered_rings. Closes #478 .
2015-03-25 18:29:06 -07:00
Leonardo de Moura
14aeac180a
refactor(library/algebra/category/constructions): more rewrite tactic tests
2015-03-12 20:27:11 -07:00
Leonardo de Moura
d7c6028a3e
refactor(hott,library): use/test the rewrite tactic in more places
...
The performance also improved.
2015-03-12 17:25:31 -07:00
Leonardo de Moura
fa201bce9b
feat(library/algebra/group): cleanup some proofs
2015-03-05 18:46:07 -08:00
Jeremy Avigad
c09f1c4eaf
feat(*.md): create markdown files for HoTT library, update ones in standard library
2015-03-04 18:33:18 -08:00
Leonardo de Moura
6ad469e717
fix(library/algebra/order): duplicate argument
2015-03-03 17:04:26 -08:00
Leonardo de Moura
e2bef88a33
fix(library/algebra/order): duplicate arguments
...
There is a 'include s' in the section
2015-03-03 16:52:12 -08:00
Leonardo de Moura
b254c78c44
refactor(library/algebra): move bundled structures to separate module
...
Motivation: performance.
After this commit, the bundled instances do not participate in the
class/instance resolution if we do not import algebra.bundled.
2015-03-02 18:45:08 -08:00
Leonardo de Moura
a1066ebdf4
feat(library/algebra/ordered_group): improve performance using rewrite tactic
2015-03-01 11:38:27 -08:00
Leonardo de Moura
18ab9ce4e1
feat(library/algebra/ordered_ring): improve performance using rewrite tactic
2015-03-01 10:10:44 -08:00
Leonardo de Moura
9c0375b6e2
feat(library/init/logic): add transitivity theorems for = + <->
2015-03-01 10:09:46 -08:00
Leonardo de Moura
25df44ea43
refactor(library/algebra/category/morphism): restore previous (and more readable) proofs
2015-03-01 06:54:52 -08:00
Rob Lewis
10f1232296
feat(library/algebra/field): fix broken theorems
2015-02-28 08:49:28 -08:00
