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
Rob Lewis
8ef2849b67
feat(library/algebra/fields): prove more theorems about division rings
2015-02-28 08:49:28 -08:00
Jeremy Avigad
a8cf58d97c
feat(library/algebra/field): define discrete field
2015-02-28 08:49:28 -08:00
Rob Lewis
eef2e99a1c
feat(library/algebra/field): add theorems about division rings
2015-02-28 08:49:05 -08:00
Rob Lewis
b8f0341119
feat(library/algebra): add field.lean
2015-02-28 08:48:48 -08:00
Leonardo de Moura
3c24461e51
refactor(*): modify '|' binding power, use 'abs a' instead of '|a|', and '(a | b)' instead of 'a | b'
2015-02-25 15:18:21 -08:00
Leonardo de Moura
c04c610b7b
feat(frontends/lean): add 'assert H : A, ...' as notation for 'have H [visible] : A, ...'
2015-02-25 14:30:42 -08:00
Jeremy Avigad
7a57908d62
feat/refactor(library/data/int): revise and add theorems
2015-02-25 14:05:07 -08:00
Jeremy Avigad
a607e7dd57
feat(library/algebra/group): add rules for sub equalities
2015-02-25 14:05:06 -08:00
Leonardo de Moura
577a6da119
refactor(library/algebra/category/morphism): reduce compilation time using rewrite tactic
2015-02-25 14:04:17 -08:00
Leonardo de Moura
4f79d12da7
refactor(library/algebra/category/morphism): improve performance using rewrite tactic
2015-02-24 18:28:49 -08:00
Leonardo de Moura
3ede8e9150
refactor(library): use [] binder annotation when declaring instances
2015-02-24 16:12:39 -08:00
Leonardo de Moura
3197e6d403
feat(frontends/lean/parse_rewrite_tactic): improve rewrite tactic parser
2015-02-23 19:40:03 -08:00
Leonardo de Moura
421a30d75c
feat(library): export [reducible] annotations from function namespace to top-level
...
see issue #433
2015-02-16 18:52:41 -08:00
Leonardo de Moura
a35cce38b3
feat(frontends/lean): new semantics for "protected" declarations
...
closes #426
2015-02-11 14:09:25 -08:00
Leonardo de Moura
c7ee831c69
refactor(library/algebra/ordered_group): use rewrite tactic at ordered_group
2015-02-08 17:35:28 -08:00
Leonardo de Moura
f9ff4ee6bd
refactor(library/algebra/ring): use rewrite tactic at ring module
2015-02-08 17:35:01 -08:00
Leonardo de Moura
d143b525f7
feat(library/algebra/ordered_group): reduce compilation time
2015-02-06 18:34:41 -08:00
Leonardo de Moura
96c161a659
feat(library/algebra/ring): simplify ring theorems using rewrite tactic
2015-02-05 18:48:02 -08:00
Leonardo de Moura
0ae6e2b3e4
feat(library/algebra/group): use rewrite tactic in the algebraic hierarchy
2015-02-05 18:03:02 -08:00
Leonardo de Moura
2ffdbba8b0
feat(library): replace same 'calc' proofs with 'rewrite'
2015-02-05 10:39:25 -08:00
Leonardo de Moura
7e5fb3e493
fix(library/algebra/function): remove notation that conflicts with top-level notation for dependent pairs
2015-02-01 11:35:01 -08:00
Jeremy Avigad
8d5a7a96b6
feat(library/data/nat/div): revise theorems, add lcm
2015-01-31 21:52:35 -08:00
Jeremy Avigad
928fc3ab81
feat(library/algebra/order,library/data/{nat,int}/order): make gt, ge reducible, add transitivity rules
2015-01-26 20:38:21 -05:00
Jeremy Avigad
85ef7c5151
refactor(library/algebra/group): rename neg_add_distrib to neg_add, etc.
2015-01-26 20:38:21 -05:00
Jeremy Avigad
ba15da8d83
refactor(library/init/reserved_notation): increase binding strength of ^-1 to max+10
2015-01-26 20:38:21 -05:00
Leonardo de Moura
e2c41fca75
feat(frontends/lean): modify syntax for local notation
...
The idea is to make it uniform with the syntax for defining local
attributes.
2015-01-26 11:51:17 -08:00
Leonardo de Moura
b4d6f6e3ed
feat(frontends/lean): 'attribute' command is persistent by default
2015-01-26 11:51:17 -08:00
Leonardo de Moura
4f2e0c6d7f
refactor(frontends/lean): add 'attribute' command
...
The new command provides a uniform way to set declaration attributes.
It replaces the commands: class, instance, coercion, multiple_instances,
reducible, irreducible
2015-01-24 20:23:21 -08:00
Leonardo de Moura
ae7b5a9bc9
fix(library/algebra): add missing [reducible]
...
It addresses issues raised at #403
2015-01-21 15:53:56 -08:00
Jeremy Avigad
44642a4285
feat(library/algebra/ordered_ring,library/data/int/): add sign and theorems about abs, make int an instance, port theorems
2015-01-21 15:46:17 -08:00
Jeremy Avigad
58057c5d99
feat(library/algebra/ordered_group): add abs
2015-01-21 15:46:17 -08:00
Leonardo de Moura
abc64fbab8
refactor(library/algebra/group): remove unnecessary symm
2015-01-20 16:20:47 -08:00
Leonardo de Moura
8323d580b1
refactor(library/algebra/order): factor out proofs
2015-01-20 15:28:46 -08:00
Leonardo de Moura
21a3d918ff
refactor(library/algebra/ordered_ring): use cleaner hack for improving performance
2015-01-19 17:41:11 -08:00
