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Author SHA1 Message Date
Leonardo de Moura
f8a12363f2 doc(examples/wf): use 'have' construct in wf example 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-03-03 18:29:19 -08:00
Leonardo de Moura
26bf21b91d test(examples/lean): opaque pairs 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-27 11:38:34 -08:00
Leonardo de Moura
1d10953da4 fix(library/elaborator): add hack for experimenting with algebraic hierarchy 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-25 11:20:40 -08:00
Leonardo de Moura
aa8240985a test(examples/lean): small version of algebraic hierarchy (proof of concept) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-24 20:51:19 -08:00
Leonardo de Moura
309e7ba880 fix(library/elaborator): temporary fix for bug reported by Jeremy 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-24 15:26:21 -08:00
Leonardo de Moura
16844fff73 feat(builtin): simulate binary encoding 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-20 20:44:05 -08:00
Leonardo de Moura
d79e9af210 fix(frontends/lean): help msg 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-18 09:31:30 -08:00
Leonardo de Moura
f781ad823c doc(builtin): Diaconescu’s theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-18 09:12:09 -08:00
Leonardo de Moura
e9dada5e14 refactor(builtin/kernel): use standard definition for 'or' and 'and' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-17 12:05:34 -08:00
Leonardo de Moura
4692e04d70 feat(builtin/proof_irrel): prove proof irrelevance 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-16 18:06:10 -08:00
Leonardo de Moura
c526e5ec00 feat(builtin/kernel): prove false_elim without using case 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-15 14:26:13 -08:00
Leonardo de Moura
1739b5c153 fix(kernel/type_checker): caching bug 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-12 10:43:01 -08:00
Leonardo de Moura
c740d9d799 fix(builtin/num): bug in the factorial definition 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-12 10:04:32 -08:00
Leonardo de Moura
45a0dbcc34 feat(builtin/num): define fact and exp 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-12 09:51:49 -08:00
Leonardo de Moura
368fcb5ff9 refactor(builtin/kernel): rename refute to by_contradiction 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-12 08:49:19 -08:00
Leonardo de Moura
69bccb6014 feat(builtin): define list, cons, nil and prove basic theorems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-11 21:32:05 -08:00
Leonardo de Moura
bfe64a7031 fix(library/elaborator): hack for fixing a bug due to pairs/projs, this is temporary fix until we build a new elaborator 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-11 21:30:26 -08:00
Leonardo de Moura
0878b44fc7 feat(frontends/lean): allow user to import several theories using a single import 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-11 17:15:12 -08:00
Leonardo de Moura
fddaa7bc3a doc(examples/lean): add theorem sent by Jeremy Avigad 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-11 14:10:29 -08:00
Leonardo de Moura
1796c2b992 doc(examples/lean): proof of concept 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-11 07:59:49 -08:00
Leonardo de Moura
56ad1c1728 doc(examples/lean/abelian): proof of concept 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-10 18:17:15 -08:00
Leonardo de Moura
65076816fa doc(examples/lean/group): prove basic theorems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-10 15:49:24 -08:00
Leonardo de Moura
acd04d3c2b doc(examples/lean): setoid and group examples 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-10 14:41:29 -08:00
Leonardo de Moura
11a2b3016f fix(builtin/num): remove hacks for making the elaborator happy 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-10 14:05:51 -08:00
Leonardo de Moura
b7b868de85 fix(library/elaborator): bug reported by Jeremy Avigad 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-10 14:01:22 -08:00
Leonardo de Moura
a2d2e36f04 refactor(frontends/lean): remove notation for creating tuples 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-10 09:03:42 -08:00
Leonardo de Moura
4e08a3233e fix(builtin): build dependency issue 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-10 08:33:07 -08:00
Leonardo de Moura
273f78d1cb feat(builtin/num): prove strong induction and other theorems for num 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-09 21:09:50 -08:00
Leonardo de Moura
b119c11473 feat(builtin/tactic): add simp_no_assump tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-09 20:28:30 -08:00
Leonardo de Moura
4317f67bd2 fix(builtin/tactic): more meaningful error message when skip tactic is used in a full proof 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-09 18:57:33 -08:00
Leonardo de Moura
57982135d9 fix(library/simplifier): bug using congr1 theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-09 16:24:29 -08:00
Leonardo de Moura
c45c1748d8 refactor(builtin/kernel): reorder congr1 arguments 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-09 16:15:44 -08:00
Leonardo de Moura
fd6f8b1945 refactor(builtin/num): simplify proofs using 'by simp' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-09 15:03:45 -08:00
Leonardo de Moura
2d70e2f4f2 fix(library/tactic/goal): bug in the proof builder 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-09 15:02:36 -08:00
Leonardo de Moura
4c76f6abb9 chore(builtin/num): remove leftover 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-09 11:39:26 -08:00
Leonardo de Moura
8df7c7b02d feat(kernel/type_checker): remove fallback that expands opaque definitions in the type checker 
We should not rely on this feature. It can be quite expensive.
We invoke is_convertible in several places, in particular, if we are using overloading. For example, the frontend uses is_convertible to check which overload should be used. Thus, it will make several calls such as

   is_convertible(num, Nat)

If is_convertible starts unfolding opaque definitions, we would keep expanding num.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-09 11:31:24 -08:00
Leonardo de Moura
4c4c8b3e0d feat(builtin/num): prove basic theorems using simplifier 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-09 11:24:53 -08:00
Leonardo de Moura
633ed6bb69 fix(frontends/lean/parser): bug in add_rewrite 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-09 09:46:56 -08:00
Leonardo de Moura
b24c085cb0 feat(frontends/lean): avoid warning message 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-09 09:26:51 -08:00
Leonardo de Moura
d6167eae32 feat(builtin/num): define add and mul 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-08 22:28:15 -08:00
Leonardo de Moura
cc4148a98d feat(builtin/num): primitive recursion theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-08 22:05:57 -08:00
Leonardo de Moura
f28c56b188 feat(builtin/num): add auxiliary definitions and theorems for proving the primitive recursion theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-08 19:36:17 -08:00
Leonardo de Moura
fa4b60963b feat(builtin/num): define lt predicate, and prove basic theorems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-08 10:57:17 -08:00
Leonardo de Moura
0760b5b53d doc(todo): update todo list 2014-02-08 09:23:56 -08:00
Leonardo de Moura
ded72f94b2 doc(todo): update todo list 2014-02-08 09:23:13 -08:00
Leonardo de Moura
1f3e0f7a38 chore(builtin/num): update object file 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-08 09:16:52 -08:00
Leonardo de Moura
aeaa803f9a feat(builtin): add num type (the base type that will be used to build nat, int, real) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-08 09:12:53 -08:00
Leonardo de Moura
1c43020fc9 fix(library/tactic/goal): bug creating main proof builder 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-08 09:11:07 -08:00
Leonardo de Moura
24528ff685 fix(library/elaborator): fix glitches in the elaborator that were forcing us to provide parameters explicitly 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-07 18:02:08 -08:00
Leonardo de Moura
1ec01f5757 refactor(builtin): merge pair.lean with kernel.lean, and add basic theorems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-02-07 16:04:44 -08:00