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499 commits

Author SHA1 Message Date
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
1c93c5bbb2 feat(library/logic/{connectives.lean,quantiers.lean}): add iff congruence rules 2015-06-08 16:58:08 +10:00
Jeremy Avigad
feb385748f refactor(library/data/set/map.lean): put map into set namespace 
This is needed to repair a conflict in the tutorial, but it is the right thing to do anyhow. The type "map A B" should not be a top-level identifier.
 2015-06-06 18:58:33 -07:00
Leonardo de Moura
7db84c7036 refactor(library/data): replace 'fin' with Haitao's 'less_than' 
The commit also fixes vector to use the new definition.
 2015-06-05 10:33:19 -07:00
Jeremy Avigad
453da48dd5 feat(library/data/less_than.lean): add finite ordinals from Haitao Zhang 2015-06-05 09:32:00 -07:00
Jeremy Avigad
370860e1b0 feat(library/data/fintype,finset): add cardinality for finite types from Haitao Zhang 2015-06-05 09:32:00 -07:00
Jeremy Avigad
f475408f4c feat(library/data/list/*): add theorems from Haitao Zhang and clean up 2015-06-05 09:32:00 -07:00
Jeremy Avigad
c2aa8c6720 feat(library/data/finset/partition.lean): add theory of partitions into finsets by Haitao Zhang 2015-06-05 09:32:00 -07:00
Floris van Doorn
ff41886a32 feat(nat/bquant): give instances for quantification bounded with le 
also add theorems c_iff_c to logic/connectives, where c is a connective
 2015-06-04 20:14:13 -04:00
Floris van Doorn
7f5caab694 feat(nat): redefine le and lt in the standard library 2015-06-04 20:14:13 -04:00
Leonardo de Moura
63f61a35f4 feat(library/data/list/set): cleanup nodup_map proof 2015-06-04 15:21:40 -07:00
Leonardo de Moura
9a7cff0e89 feat(library/data/list/comb): add length_product theorem 2015-06-04 15:11:09 -07:00
Jeremy Avigad
df69bb4cfc feat(library/*): add theorems from Haitao on sets and functions, clean up 2015-06-04 11:55:25 -07:00
Leonardo de Moura
c841e63649 refactor(library/data/fintype): create 'fintype' subdirectory 2015-06-03 16:43:55 -07:00
Leonardo de Moura
2a6ea2c6fb feat(library/data/finset/to_set): add to_set.inj 2015-06-03 14:05:43 -07:00
Leonardo de Moura
a8c9121d2e feat(library/data/vec): add vector as list subtype 2015-06-02 22:09:23 -07:00
Leonardo de Moura
7a39d5aaa3 feat(library/data): add auxiliary definitions 2015-06-02 22:08:25 -07:00
Leonardo de Moura
228a99af7e feat(library/data/subtype): cleanup proof 2015-06-02 19:51:28 -07:00
Leonardo de Moura
50fe4ec6c0 feat(library/data/encodable): add quot.rep definition for choosing equivalence class representative for equivalence classes of encodable types 2015-06-02 11:03:24 -07:00
Rob Lewis
b1404c5943 feat(library/data/real): fill in sorrys in proof that R is l.o. field 2015-06-01 23:00:53 +10:00
Rob Lewis
9843e61583 feat(library/data/real): define inverses of reals, prove (classically) that R is a discrete linear ordered field 2015-06-01 23:00:53 +10:00
Jeremy Avigad
82142b60f0 refactor(library/data/finset/basic.lean): remove finset / finset.finset duplicate 2015-06-01 12:35:44 +10:00
Jeremy Avigad
dcae29a253 feat(library/data/int/gcd.lean): add gcd for the integers 2015-06-01 12:35:44 +10:00
Jeremy Avigad
ffa648a090 feat/refactor(library/*): various additions and improvements 2015-06-01 12:35:44 +10:00
Jeremy Avigad
cdecc309b3 fix(library/data/finset/to_set.lean): to_set does not require decidable equality 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
c986ee305b refactor(library/data/nat/gcd.lean): move gcd to a new file 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
82f85a574d feat(library/data/real): prove reals form an ordered ring 2015-05-29 14:11:51 +10:00
Rob Lewis
2273dc669e feat(library/data): fill in sorrys in int and rat orderings 2015-05-29 14:11:51 +10:00
Rob Lewis
6dfcc4610b feat(data): update orderings on int and nat to conform to new algebraic hierarchy 2015-05-29 14:11:51 +10:00
Leonardo de Moura
dc6411b903 feat(library/inductive_unifier_plugin): restrict rule that was generating non-terminating behavior 
see issue #632
 2015-05-27 14:41:12 -07:00
Leonardo de Moura
5da4922397 feat(library/data/list/perm): cleanup proofs 
refl and symm were refering to the setoid.refl and setoid.symm.
Moreover, they were producing harder elaboration problems
 2015-05-27 12:30:56 -07:00
Leonardo de Moura
47e5633498 feat(frontends/lean/calc_proof_elaborator): avoid unnecessary unfolding in the calc tactic 2015-05-27 12:07:39 -07:00
Floris van Doorn
0c7e16e017 feat(library.data.int.basic): move theorems about successor and predecessor from HoTT to standard library 2015-05-26 21:37:01 -07:00
Leonardo de Moura
7f0951b8e7 feat(library/tactic): improve assumption tactic performance 2015-05-25 20:22:37 -07:00
Rob Lewis
393cefcf97 feat(library/data/real): define real numbers, prove they form a commutative ring 2015-05-26 12:05:53 +10:00
Rob Lewis
681f431d4b feat(library/data/rat): make rat subtraction reducible, fix migration of min/max 2015-05-26 11:52:34 +10:00
Leonardo de Moura
4152ebfa23 refactor(library/data/nat): use new tactics 2015-05-25 18:14:52 -07:00
Jeremy Avigad
39129f112b refactor(library/*): do various renamings 2015-05-25 16:50:42 -07:00
Jeremy Avigad
a64c0ea845 feat/refactor(library/data/{int,rat}/*): improve casting from nat to int to rat 2015-05-25 16:50:42 -07:00
Jeremy Avigad
4ed9e46532 refactor(library/data/int/*): use better direction for of_nat theorems 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
81c0ef8c89 refactor(library/data/nat/*): cleanup, additions, renaming 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
Leonardo de Moura
6db08c5519 test(library): test new tactics in the standard library 2015-05-25 16:48:33 -07:00
Leonardo de Moura
7e875c8d85 refactor(library): simplify theorems using improved tactics 2015-05-25 10:43:28 -07:00
Leonardo de Moura
88975927e6 fix(library/tactic/relation_tactics): beta-reduce goal before trying to extract head symbol 2015-05-24 18:56:35 -07:00
Leonardo de Moura
c453bb52a9 feat(library/data/stream): add notation and commonly used definitions 2015-05-24 16:53:58 -07:00
Leonardo de Moura
880027ea0e feat(library/data/stream): define stream mem predicate and prove basic theorems 2015-05-24 15:47:33 -07:00