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213 commits

Author SHA1 Message Date
Haitao Zhang
5ffcd2a2d8 feat(library/algebra/group): add definitions and lemmas of conjugation 2015-07-15 19:36:18 -07:00
Haitao Zhang
f4cbd98692 feat(library/algebra/group): add theorem eq_inv_of_mul_eq_one 2015-07-15 18:43:47 -07:00
Haitao Zhang
516333ad65 feat(library/algebra/group_bigops): add Prodl theorems 2015-07-15 14:49:53 -04:00
Jeremy Avigad
2e3b1b04cd feat(library/algebra/ring_power): add properties of power in ring structures 2015-07-07 21:05:48 -07:00
Jeremy Avigad
31aeff95d5 refactor(library/algebra/ordered_ring): remove 0 ~= 1 from ordered_semiring, add 0 < 1 to linear_ordered_semiring 2015-07-07 21:05:48 -07:00
Leonardo de Moura
77d5657813 refactor(library/algebra/function): move function.lean to init folder 
Motivation: this file defines basic things such as function composition.
In the HoTT library, it is located in the init folder.
 2015-07-06 07:29:56 -07:00
Leonardo de Moura
14f7e3de94 fix(library/algebra): missing file 2015-06-30 18:15:13 -07:00
Leonardo de Moura
cf574d0127 feat(library): assign priorities to notation declarations in the standard library 
Now, even if the user opens the namespaces in the "wrong" order, the
notation + coercions will behave as expected.
 2015-06-30 17:38:13 -07:00
Jeremy Avigad
130eb3f6d9 fix(library/data/int/basic): change notation from -[n+1] to -[1+n] to avoid conflict e.g. with -[coercions] 2015-06-29 15:23:11 +10:00
Jeremy Avigad
3bf18c174e feat(library/algebra/ordered_group): define abs in terms of max, make some theorems constructively valid 2015-06-29 15:23:11 +10:00
Jeremy Avigad
1a164d8fc9 feat(library/algebra/ordered_group): add theorems for max and min 2015-06-29 15:23:11 +10:00
Jeremy Avigad
70e551c6d6 feat(library/algebra/order,library/data/nat/order,library/*): instantiate nat to lattice, add theorems 2015-06-29 15:23:11 +10:00
Jeremy Avigad
93e5124d71 feat(library/algebra/order): add lattices, min, max 2015-06-29 15:23:11 +10:00
Jeremy Avigad
0d25831111 refactor(library/algebra/order): cleanup, and remove unused class 2015-06-29 15:23:11 +10:00
Leonardo de Moura
52564ecc0f refactor(library/algebra/group_power): open namespaces in the "right" order 2015-06-27 14:51:00 -07:00
Leonardo de Moura
ca0aa4eb47 feat(library/composition_manager): simplify compositions of the form (mk ... (proj (mk ...)) ...) 
closes #666
 2015-06-27 14:07:32 -07:00
Leonardo de Moura
3215af3926 feat(frontends/lean): add '[trans-instance]' attribute 
see issue #666
 2015-06-27 14:07:29 -07:00
Leonardo de Moura
c9f3b766f8 refactor(library/algebra/category/constructions): modify proof 
It was affected by the new way of handling projections that we will implement
 2015-06-25 17:48:26 -07:00
Rob Lewis
82950e1c52 chore(library/algebra/ordered_field): remove redundant line in calc 2015-06-25 17:30:12 -07:00
Leonardo de Moura
018518f0cf refactor(library/algebra/ring): more robust proofs 2015-06-22 15:31:03 -07:00
Leonardo de Moura
7ffabeb245 refactor(library/algebra/group): avoid abuse of rewrite tactic 
The two instances are relying on the fact that (a - b) reduces to (a + -b)
 2015-06-22 15:11:14 -07:00
Leonardo de Moura
cfafc90cc0 refactor(hott,library): make sure files compile even without using "projection macros" 2015-06-22 12:22:11 -07:00
Leonardo de Moura
5f293cee9c refactor(library/algebra/ordered_field): improve compilation time 2015-06-18 16:12:24 -07:00
Rob Lewis
f7ab2780d4 feat(library/algebra): move more theorems from reals to algebra) 2015-06-16 11:30:12 -07:00
Rob Lewis
b94d0a948d chore(library/data/real): replace theorems with more general versions from algebra 2015-06-16 11:30:12 -07:00
Rob Lewis
b23e23061f feat(library/algebra): finish/move more general theorems from reals to algebra) 2015-06-16 11:30:12 -07:00
Rob Lewis
ff0ba6687e feat(library/algebra/ordered_field): move identity about abs to ordered_field 2015-06-16 11:30:12 -07:00
Rob Lewis
1f4765e30a feat(library/algebra/ordered_ring): add theorems used for rational upper bounds 2015-06-16 11:30:12 -07:00
Rob Lewis
4b38e14586 feat(library/algebra/ordered_field): add a couple missing theorems to ordered_field 2015-06-16 11:30:12 -07:00
Jeremy Avigad
3b010b8c92 feat({library,hott}/algebra/group): add abbreviations e.g. for mul.cancel_left 2015-06-15 22:53:11 +10:00
Leonardo de Moura
1bffb89126 fix(library/algebra/function): lean was failing to infer that injective is a decidable predicate for finite types with decidable equality 
This is an issue reported by Haitao.
 2015-06-09 15:30:58 -07:00
Rob Lewis
d287b20018 chore(library/data/real): move more lemmas to algebra 2015-06-09 16:27:55 +10:00
Rob Lewis
7822ba9dee feat(library/algebra): add lemmas to group and ordered group 2015-06-09 16:14:21 +10:00
Jeremy Avigad
e59400b58c feat(library/data/int/{div,gcd}): add some theorems, to reduce rationals 2015-06-08 22:43:51 +10:00
Jeremy Avigad
df69bb4cfc feat(library/*): add theorems from Haitao on sets and functions, clean up 2015-06-04 11:55:25 -07:00
Jeremy Avigad
03952ae12c feat(library/logic/{connectives,identities},library/algebra/function): cleanup and some additions from Haitao Zhang 2015-06-04 11:55:25 -07:00
Jeremy Avigad
ffa648a090 feat/refactor(library/*): various additions and improvements 2015-06-01 12:35:44 +10:00
Jeremy Avigad
b76445df39 feat(library/data/{nat,int}/div.lean,*): improve and extend div in nat and int 2015-05-30 22:10:21 +10:00
Jeremy Avigad
cc0a620db1 feat(library/data/{nat,int}/div.lean): add to and improve div library 2015-05-30 22:10:21 +10:00
Rob Lewis
4b67cd1f97 feat(library/algebra): update algebraic hierarchy to be more constructive 2015-05-29 14:11:50 +10:00
Rob Lewis
eb537daa1c feat(library/algebra): add min/max to ordered algebraic structures 2015-05-26 11:45:09 +10:00
Jeremy Avigad
39129f112b refactor(library/*): do various renamings 2015-05-25 16:50:42 -07:00
Jeremy Avigad
fdc89cd285 refactor(library/algebra/order.lean,library/{data,algebra}/*): use better names for order theorems 2015-05-25 16:50:42 -07:00
Jeremy Avigad
7c92161e49 refactor(library/data/finset/basic.lean): change order of arguments to induction tactic 2015-05-25 16:50:42 -07:00
Jeremy Avigad
8bebd104ff refactor(library/*): remove 'Module:' lines 2015-05-23 20:52:23 +10:00
Jeremy Avigad
db7bdce451 refactor(logic/funext.lean, algebra/function.lean): delete logic/funext, merge into algebra/function 2015-05-23 16:16:36 +10:00
Jeremy Avigad
d33c91d7b9 fix({hott,library}/algebra/*): fix names 2015-05-23 14:05:06 +10:00
Leonardo de Moura
e1c2340db2 fix(frontends/lean): consistent behavior for protected declarations 
see https://github.com/leanprover/lean/issues/604#issuecomment-103265608

closes #609
 2015-05-18 22:35:18 -07:00
Floris van Doorn
2144036cdb feat(hott.circle): prove that the fundamental group of the circle is equal to the integers, as groups 
Also many minor fixes at various places
 2015-05-18 15:59:55 -07:00
Leonardo de Moura
19361f0196 feat(library/unifier): do not fire type class resolution as last resort when type contains metavariables 
see discussion at #604
 2015-05-18 15:45:23 -07:00