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327 commits

Author SHA1 Message Date
Leonardo de Moura
54136c1ec0 feat(library/data/perm): add list permutation module 2015-04-01 23:00:02 -07:00
Leonardo de Moura
dbe54c4fb5 feat(library/data): define unordered pairs using quotients 2015-04-01 17:30:49 -07:00
Leonardo de Moura
3951b50282 feat(library/data/prod): define swap 2015-04-01 17:30:37 -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
ce5e83eb3e refactor(library/init): move subsingleton to init folder 2015-04-01 11:57:29 -07:00
Leonardo de Moura
a52cb009dc refactor(library): reorganize init folder and add setoid 2015-03-31 19:56:05 -07:00
Leonardo de Moura
e35de54cee feat(library/data/list/basic): add aux theorems 2015-03-31 18:38:05 -07:00
Leonardo de Moura
4c0ce9a619 feat(library/data/list/basic): missing theorems 2015-03-30 19:11:45 -07:00
Leonardo de Moura
299cbe4b25 feat(library/data/bool): add auxiliary theorems for bool 2015-03-30 04:55:28 -07:00
Leonardo de Moura
42fe87d7cc feat(library/data/list/basic): add sublist predicate 2015-03-30 03:20:42 -07:00
Leonardo de Moura
66bb22f268 feat(library/data/list/basic): cleanup 2015-03-30 02:14:33 -07:00
Leonardo de Moura
ec1a60b02c feat(library/init/logic): add helper function for proving decidable equality 2015-03-30 02:14:26 -07:00
Leonardo de Moura
5b9d52c0dd refactor(library/data/int/order): cleanup 2015-03-28 12:58:40 -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
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
9b577a7b3e feat(frontends/lean): add 'migrate' command 2015-03-14 21:48:00 -07:00
Leonardo de Moura
ba913876e0 feat(library/data/list/basic): enforce name conventions, add foldl_eq_foldr theorem 2015-03-14 13:06:09 -07:00
Leonardo de Moura
bed0d6df6b fix(frontends/lean/elaborator): inaccessible over coercion 2015-03-13 23:04:45 -07:00
Leonardo de Moura
27e58dc534 refactor(library/data): cleanup vector and list modules 2015-03-13 22:25:21 -07:00
Jeremy Avigad
ec05e83a2a feat(library/data/int/div.lean): add theorems about div 2015-03-12 20:54:49 -07:00
Leonardo de Moura
167675a397 feat(library/data/vector): add nth and decidable_eq 2015-03-09 08:41:36 -07:00
Leonardo de Moura
a628836f28 feat(library/data/vector): add theorems 2015-03-08 22:51:11 -07:00
Leonardo de Moura
f6cd604a44 chore(library/data/bool): enforce naming conventions 2015-03-06 19:20:48 -08:00
Leonardo de Moura
4fdac068b0 chore(library/data/vector): cleanup vector proofs 2015-03-06 17:37:03 -08:00
Leonardo de Moura
78d8e79000 fix(library/data/num): naming convention 2015-03-05 23:48:08 -08:00
Leonardo de Moura
57ec52b6f1 refactor(library/data/fin): cleanup pattern matching equations 2015-03-05 14:42:42 -08:00
Leonardo de Moura
e4060a5614 feat(frontends/lean): do not force user to type the function name in the left-hand-side of recursive equations 2015-03-05 12:08:36 -08:00
Leonardo de Moura
53df3d86ee feat(library/data/list/basic): use 'show' instead of 'change' tactic 2015-03-04 20:40:06 -08:00
Leonardo de Moura
b8afba47ad feat(library/data/list/basic): add some map, foldl, foldl, zip and unzip 2015-03-04 20:30:19 -08:00
Leonardo de Moura
c78734874d feat(library/data/list/basic): list A has decidable equality if A has 2015-03-04 18:48:13 -08:00
Leonardo de Moura
cc2d988aea feat(library/data/num): prove many theorems for pos_num.lt and pos_num.le 2015-03-04 18:30:31 -08:00
Leonardo de Moura
f60fc5183a feat(library/data/bool): add auxiliary theorems 2015-03-04 18:30:31 -08:00
Leonardo de Moura
02d3f7c37c refactor(library/data/list): use 'change' tactic 2015-03-01 14:27:22 -08:00
Leonardo de Moura
df13588b93 chore(library/data): remove unnecessary parentheses 2015-03-01 14:18:36 -08:00
Leonardo de Moura
e8ef1f97b6 feat(library/data/set): use Prop instead of bool when defining set 2015-03-01 08:23:39 -08:00
Leonardo de Moura
68110faa4d feat(frontends/lean/inductive_cmd): allow '|' in inductive datatype declarations 2015-02-25 17:00:10 -08:00
Leonardo de Moura
5ca52d81ec feat(frontends/lean): ML-like notation for match and recursive equations 2015-02-25 16:20:44 -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
e513b0ead4 refactor(library,hott): rename theorems for decidable and inhabited 
The convention is this: we use e.g. nat.is_inhabited and nat.has_decidable_eq
for these two purposes only, to avoid clashing with "inhabited" and "decidable_eq"
in a namespace. Otherwise, we use "decidable_foo" and "inhabited_foo".
 2015-02-25 14:05:07 -08:00
Jeremy Avigad
e555531eb6 feat(library/data/int/div): start on div for integers 2015-02-25 14:05:07 -08:00
Jeremy Avigad
7a57908d62 feat/refactor(library/data/int): revise and add theorems 2015-02-25 14:05:07 -08:00
Jeremy Avigad
cfdaffb6f5 feat/refactor(library/data/nat): do some housecleaning, add facts to div 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
909ebfc5f1 feat(frontends/lean/elaborator): try coercions after each overload 
We try only the easy cases since the more general case is too expensive.

closes #444
 2015-02-24 17:41:20 -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
1cd44e894b feat(library/tactic/class_instance_synth): conservative class-instance resolution: expand only definitions marked as reducible 
closes #442
 2015-02-24 16:12:35 -08:00
Leonardo de Moura
74b8499fa9 refactor(library/data/nat/div): simplify proof of dvd_of_dvd_add_left 2015-02-17 18:55:44 -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
2ffdbba8b0 feat(library): replace same 'calc' proofs with 'rewrite' 2015-02-05 10:39:25 -08:00
Jeremy Avigad
77e8439012 feat(library/data/nat/div): add theorems for coprime, etc. 2015-02-03 13:50:59 -08:00
Jeremy Avigad
90da0290f4 fix(library/init/{prod,sigma},library/data/sum): move notation in/out of namespaces 2015-02-01 11:17:45 -08:00
Jeremy Avigad
d48a332876 refactor(library/data/prod): move specialized theorems to quotient 2015-02-01 11:17:45 -08:00
Jeremy Avigad
3e92cd4922 feat(library/data,init/prod,sigma,sum): make more notation available at top level 2015-02-01 11:17:45 -08:00
Jeremy Avigad
e5c25ff7a3 refactor(library/data/nat,int): use nicer definitions of structure instances 2015-02-01 11:17:45 -08:00
Jeremy Avigad
95d79e7bda refactor(library/data/nat): merge comm_semiring, make minor fixes 2015-02-01 11:17:44 -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
0c04c7b0d2 fix(library/data/nat,int): make structure instances reducible 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
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
2e13e81fe0 refactor(library/data/nat/order): use record/structure instance expression 
Motivation: do not rely on a specific argument ordering
 2015-01-19 17:39:59 -08:00
Leonardo de Moura
2717adde94 feat(library/unifier): add option 'unifier.conservative', use option by default in the calc_assistant 2015-01-19 16:23:29 -08:00
Leonardo de Moura
e4b9a89f5f refactor(library/data/fin): remove unnecessary import 2015-01-13 16:35:59 -08:00
Jeremy Avigad
b68ce77650 refactor/feat(library/data/nat): fix up sub and div, rename theorems, add theorems 2015-01-13 11:56:25 -05:00
Jeremy Avigad
0dcf06000b refactor(library/data/int/sub): rename theorems, add theorems, clean up 2015-01-12 16:28:42 -05:00
Leonardo de Moura
08a7997a97 refactor(library/data/string): put is_inhabited theorems on the toplevel 2015-01-10 14:07:20 -08:00
Leonardo de Moura
f053330755 refactor(library/data/sum): simplify has_decidable_eq proof using recursive equations and match expressions 2015-01-10 12:45:05 -08:00
Leonardo de Moura
2e4a2451e6 refactor(library/reducible): simplify reducible/irreducible semantics 2015-01-08 18:52:18 -08:00
Leonardo de Moura
7a3a73d931 refactor(library/data/nat): move nat.comm_semiring to separate file 2015-01-08 12:12:30 -08:00
Leonardo de Moura
05e1fc21f6 refactor(library/data/vector): define vector functions using recursive equations 2015-01-08 11:22:56 -08:00
Leonardo de Moura
1fab144aa7 refactor(library/init/nat): rename constants 
closes #387
 2015-01-07 18:26:51 -08:00
Jeremy Avigad
42c328e781 refactor(library/data/nat/basic): rename pred.zero and pred.succ 2015-01-07 18:18:28 -08:00
Jeremy Avigad
50f03c5a09 refactor(library/data/nat/order): make nat order an instance of linear_ordered_semigroup, rename various theorems 2015-01-07 18:18:28 -08:00
Leonardo de Moura
7b9758ac14 feat(library/data/fin): add of_nat_to_nat theorem 2015-01-07 17:46:47 -08:00
Leonardo de Moura
98412ee942 refactor(library/data/fin): redo fin using recursive equations 2015-01-07 17:38:00 -08:00
Leonardo de Moura
597f7385e8 fix(library/unifier): incorrect fix 2015-01-07 16:57:02 -08:00
Leonardo de Moura
4b47d22d05 refactor(library/data/list): use recursive equations 2015-01-07 13:38:11 -08:00
Jeremy Avigad
b11064a90e fix(library/data/nat,int): fix instance declarations for nat and int 2015-01-03 22:27:21 -08:00
Jeremy Avigad
53f486835e fix(library/data/nat/order): delete unused material at end of file 2014-12-26 16:57:10 -05:00
Jeremy Avigad
1eea75b6fc fix(library/data/nat/div,tests/lean/run/ppbeta): make decidable for dvd transparent, name change in ppbeta 2014-12-26 16:44:43 -05:00
Jeremy Avigad
cecabbb401 refactor(library/data/int,library/algebra): make int an instnance of ordered ring, rename theorems 2014-12-26 16:25:05 -05:00
Jeremy Avigad
25394dddb7 refactor(library): change mul.left_id to mul_one, and similarly for mul.right_id, add.left_id, add.right_id 2014-12-23 21:14:36 -05:00
Jeremy Avigad
5bc6dd84cf feat(library/data/nat): make nat an instance of comm_semiring 2014-12-23 21:14:35 -05:00
Jeremy Avigad
486bc321ff refactor(library/data/nat): rename theorems 2014-12-23 21:14:35 -05:00
Jeremy Avigad
e587449a6d refactor(library/data): remove folders with a single file 2014-12-23 21:14:35 -05:00
Jeremy Avigad
6ad091d7bf refactor(library): clean up headers and markdown files 2014-12-22 15:33:42 -05:00
Jeremy Avigad
0f0da64264 refactor(library/data/int): make int instance of integral domain 2014-12-22 15:33:42 -05:00
Leonardo de Moura
1e2fc54f2f refactor(library/init/sigma): rename sigma.dpair->sigma.mk, sigma.dpr1->sigma.pr1, sigma.dpr2->sigma.pr2 2014-12-19 18:23:08 -08:00
Leonardo de Moura
9eea32b076 refactor(library/init/datatypes): change implicit arguments of sum.inl and sum.inr 2014-12-19 18:07:13 -08:00
Leonardo de Moura
235894cec5 fix(data/int/basic): move decidable theorems 2014-12-17 18:27:39 -08:00
Jeremy Avigad
5a2f81e962 fix(library/data/int): define sub from algebra.sub 2014-12-17 18:02:55 -08:00
Jeremy Avigad
9d2587c79b refactor(library/data/int/basic): make the integers an instance of ring 2014-12-17 13:32:38 -05:00
Leonardo de Moura
abe129aa4f refactor(library): rename theorems "iff.flip_sign -> not_iff_not_of_iff" and "decidable_iff_equiv -> decidable_of_decidable_of_iff" 2014-12-15 19:17:51 -08:00
Leonardo de Moura
5cf8064269 refactor(library): rename exists_elim and exists_intro to exists.elim 
and exists.intro
 2014-12-15 19:07:38 -08:00