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278 commits

Author SHA1 Message Date
Leonardo de Moura
06da0ebaaf refactor(library): rename Makefile.common to Makefile 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-23 18:10:39 -07:00
Leonardo de Moura
dbaf81e16d refactor(library): remove unnecessary 'standard' subdirectory 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-23 18:08:09 -07:00
Jeremy Avigad
505b93b7cb refactor(lean/examples/constable.lean): move to library/standard/logic/examples/nuprl_examples.lean 2014-08-23 17:55:00 -07:00
Jeremy Avigad
d0f0e58a85 refactor(library/standard/data/int): split basic.lean into basic.lean and order.lean 2014-08-23 17:53:02 -07:00
Jeremy Avigad
47a1c00a6d refactor(library/standard): collect notation in general_notation 2014-08-23 17:53:02 -07:00
Jeremy Avigad
ad969b4695 feat(library/standard/logic): add identities 2014-08-23 17:53:02 -07:00
Leonardo de Moura
df60ab4ada fix(frontends/lean/calc): allow calc_subst to be defined for multiple operators, allow calc cmds to be organized into namespaces, fixes #65 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-23 16:45:04 -07:00
Leonardo de Moura
e602c4ba49 feat(frontends/lean): change multicomment to /- ... -/ 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-22 17:55:13 -07:00
Leonardo de Moura
a5f0593df1 feat(*): change inductive datatype syntax 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-22 15:46:10 -07:00
Leonardo de Moura
fdd37fb1f3 chore(library/standard/data/sum): remove hints, they are not needed after the fix 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-21 21:44:02 -07:00
Jeremy Avigad
1fdc483ab9 fix(library/standard/data/int): remove misnamed file 2014-08-21 21:41:28 -07:00
Jeremy Avigad
02fba6e949 feat(library/standard/hott/fibrant.lean): add fibrant to library 2014-08-21 21:41:28 -07:00
Jeremy Avigad
05d0089381 feat(library/standard/sum.lean): add properties of sum 2014-08-21 21:41:28 -07:00
Jeremy Avigad
3afad10a72 feat(library/standard): add decidability of le for int 2014-08-21 21:41:28 -07:00
Leonardo de Moura
c4cc837e34 refactor(library/standard): define abbreviations using '@' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-21 18:39:38 -07:00
Leonardo de Moura
07bc0727e2 feat(frontends/lean): 'let [inline]' is the default 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-21 18:24:22 -07:00
Leonardo de Moura
0df87bae24 chore(library/standard/data/nat/div): remove TODO 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-21 17:58:03 -07:00
Leonardo de Moura
ab404beb01 chore(library/standard/data/nat/order): remove unnecessary 'proofs' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-20 21:51:41 -07:00
Leonardo de Moura
38f46b1290 feat(library/standard/data/nat/order): add le_decidable, lt_decidable, ge_decidable, gt_decidable 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-20 21:47:37 -07:00
Leonardo de Moura
129bb5fa09 chore(library/standard/data/int/basic): remove TODO's that were addressed by recent improvements 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-20 19:04:48 -07:00
Jeremy Avigad
d78c26977b feat(library/standard/data/nat/div): port div 2014-08-20 18:04:31 -07:00
Jeremy Avigad
6264fb52d6 fix(lean/library/standard): fix tests, more cleanup 2014-08-20 18:04:31 -07:00
Jeremy Avigad
148d475421 feat(library/standard): port int, and reorganize a lot 2014-08-20 18:03:24 -07:00
Jeremy Avigad
ad26c7c93c feat(library/standard/data/quotient): import quotient from lean 0.1 2014-08-20 18:03:24 -07:00
Leonardo de Moura
be5d034b6e chore(library/standard): remove workarounds 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-20 16:46:19 -07:00
Leonardo de Moura
9588336c15 refactor(kernel/type_checker): remove "global" constraint buffer from type_checker, and use constraint_seq instead 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-20 16:46:19 -07:00
Soonho Kong
76d310da8b chore(library/.gitignore): add TAGS 2014-08-15 20:55:38 -07:00
Soonho Kong
009e9fb3e6 feat(library/Makefile.common): add tags target 2014-08-15 20:52:29 -07:00
Leonardo de Moura
670bfe24f5 chore(build): remove hott library directory, and move hott tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-15 13:30:56 -07:00
Jeremy Avigad
5b7fb1f61a feat(library/standard/classes): add nonempty 2014-08-15 13:06:27 -07:00
Jeremy Avigad
39c1683546 feat(library/standard/logic): add class nonempty 2014-08-15 12:58:58 -07:00
Jeremy Avigad
2d69303344 feat(library/standard): add sigma types and subtypes, make inhabited constructive 2014-08-15 12:58:58 -07:00
Jeremy Avigad
a1645c5ce5 feat(library/standard/hott/path.lean): add theorems and clean up file 2014-08-15 12:58:58 -07:00
Jeremy Avigad
7d7655c3f1 refactor(library/standard): integrate hott with standard library 2014-08-15 12:58:58 -07:00
Jeremy Avigad
218c9dfc81 feat(library/hott): begin porting Coq HoTT 2014-08-15 12:58:58 -07:00
Jeremy Avigad
0ea2d287e1 feat(library/standard): add classes for relations 2014-08-15 12:58:58 -07:00
Soonho Kong
caa47b9a70 fix(library): add LEAN_VERSION_FILE to Makefile.common 2014-08-14 18:21:58 -07:00
Leonardo de Moura
2225a2acc5 feat(library/Makefile.common): generate .ilean files 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-14 18:05:48 -07:00
Leonardo de Moura
e1c97d1fc4 fix(library): remove LEAN_VERSION_FILE from Makefile.common, it breaks the build on Linux 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-14 18:05:48 -07:00
Soonho Kong
6f2c14be23 feat(library/Makefile.common): add dependency on bin/version 
This is related with issue #43.

[skip ci]
 2014-08-14 15:46:13 -07:00
Soonho Kong
87632622ee chore(library): add .gitignore 
[skip ci]
 2014-08-14 15:31:57 -07:00
Leonardo de Moura
60ab6d3bd8 feat(frontends/lean): remove feature that in declarations such as (A B : Type), forced A and B to be in the same universe 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-12 17:40:30 -07:00
Leonardo de Moura
f319d084d4 feat(library/Makefile.common): use new --cache/-c option at Makefile.common 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-10 11:20:08 -07:00
Leonardo de Moura
f6ba6da4b5 fix(library/standard): add missing 'end' of namespace 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-07 17:52:51 -07:00
Leonardo de Moura
1a67e69678 feat(library/scoped_ext): force user to end a scope with an identifier matching the one used in beginning of scope, closes #30 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-07 16:59:08 -07:00
Soonho Kong
e0bc5915fb fix(library/standard): remove long comments introduced by b2c2d1d 2014-08-07 11:59:59 -07:00
Soonho Kong
8d4c7b4b2c fix(library/hott/Makefile): specify LEAN_OPTIONS "--hott" 2014-08-07 09:59:15 -07:00
Leonardo de Moura
59f6cb5962 fix(build): delete incorrect/old .d and .olean files, detect errors when generating .d files. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-04 13:58:48 -07:00
Leonardo de Moura
d5bb7d45ec fix(library/unifier): constraint priority in the unifier, and remove hack from if.lean 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-04 13:58:47 -07:00
Leonardo de Moura
47d49643b0 feat(library/standard/logic/connectives/if): add more general if_congr theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-04 13:58:47 -07:00
Soonho Kong
d8ae285f93 fix(library/Makefile.common): clean remove olean/d files recursively 
[skip ci]
 2014-08-04 11:47:24 -07:00
Leonardo de Moura
94efd51fc5 chore(library/standard/logic/connectives/if): cleanup 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-03 23:11:52 -07:00
Leonardo de Moura
c3f57cdb1c feat(library/standard/logic/classes): add 'by_contradiction' theorem for decidable propositions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-03 22:58:12 -07:00
Leonardo de Moura
ae2e0fd3dc feat(library/standard/logic/connectives/if): add 'if-then-else' congruence theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-03 21:41:01 -07:00
Leonardo de Moura
f3cb5f2f84 feat(library/standard/logic/connectives/quantifiers): add some theorems for simplifier 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-03 20:03:49 -07:00
Leonardo de Moura
aeebd942f2 refactor(library/standard): use relative paths in some files in the standard library 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-02 20:04:27 -07:00
Leonardo de Moura
4b030c5d5f feat(library/module): relative module path 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-02 19:47:55 -07:00
Leonardo de Moura
700c911cf7 chore(library/standard/logic/class/decidable): add missing 'end' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-02 17:00:01 -07:00
Leonardo de Moura
148836d14b feat(library/standard/data/option): add basic theorems for option types 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-02 16:59:01 -07:00
Jeremy Avigad
b832b2e33e refactor(library/standard/data/nat): stylistic changes 2014-08-01 21:22:54 -07:00
Jeremy Avigad
b5db9a4797 feat(library/standard/data/nat): port most recent nat to lean 0.2 2014-08-01 21:22:53 -07:00
Jeremy Avigad
4b05e70762 feat(library/standard/logic/axioms): add import default 2014-08-01 21:22:53 -07:00
Jeremy Avigad
77931f2af8 feat(library/standard): add markdown documentation 2014-08-01 21:22:53 -07:00
Soonho Kong
3cb9b4c265 fix(library/Makefile.common): make OSX-compatible 2014-08-01 10:21:40 -07:00
Leonardo de Moura
d27c85e30c fix(library/Makefile.common): avoid error message when .d files do not exist 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-01 10:11:01 -07:00
Leonardo de Moura
f75beb8087 fix(library/standard/data/list/basic): remove 'sorry' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-01 09:15:30 -07:00
Jeremy Avigad
b2c2d1dd44 refactor(library/standard): organize files into a hierarchy 2014-08-01 09:11:51 -07:00
Jeremy Avigad
fbaf8b7e77 refactor(library/standard): begin reorganization into hierarchy 2014-08-01 09:11:51 -07:00
Jeremy Avigad
df84c4c2ca refactor(library/standard): clean up logic, reorder arguments to elim rules 2014-08-01 09:11:51 -07:00
Jeremy Avigad
c89c96b913 feat(library/standard/list.lean): add facts about lists 2014-08-01 09:11:51 -07:00
Jeremy Avigad
e846c8c76b index on master: 9dc1baa feat(library/standard/congruence.lean): finish congruence classes for propositional logic 2014-08-01 09:11:51 -07:00
Jeremy Avigad
5847743573 feat(library/standard/congruence.lean): finish congruence classes for propositional logic 2014-08-01 09:11:51 -07:00
Jeremy Avigad
8ea5dad4c0 feat(library/standard/congruence.lean): add class to infer that a function is a congruence with respect to two relations 2014-08-01 09:11:51 -07:00
Jeremy Avigad
09d5d074ec feat(library/standard/list.lean): begin to port lists from lean 0.1 2014-08-01 09:11:51 -07:00
Leonardo de Moura
b279c94037 feat(build): cread .d (dependency) files for .lean files 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-08-01 09:08:16 -07:00
Leonardo de Moura
105c29b51e refactor(library/standard): use new coding style, rename bool.b0 and bool.b1 to bool.ff and bool.tt 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-28 19:59:38 -07:00
Leonardo de Moura
8ad6d7a98b doc(doc/lean): update Lean tutorial to Lean 0.2, and use org-mode 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-28 10:52:09 -07:00
Leonardo de Moura
864fdd37da refactor(library/aliases): aliases are from name to names 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-27 21:01:59 -07:00
Leonardo de Moura
5555d620cf feat(library/standard): add or_inl and or_inr as short-hands for the commonly used 'or_intro_left _' and 'or_intro_right _' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-27 17:25:57 -07:00
Leonardo de Moura
99a1966fd6 refactor(library/standard/set): use the same style for mem_inter and mem_union 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-27 13:32:59 -07:00
Leonardo de Moura
88130f339e feat(library/standard): add basic set theory that does not rely on classical axioms 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-27 13:18:33 -07:00
Leonardo de Moura
3a77226b92 feat(library/standard/bool): add bor_to_or theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-27 13:17:55 -07:00
Leonardo de Moura
25f7929ea3 feat(library/standard/bool): add band_assoc and bor_assoc theorems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-27 12:50:57 -07:00
Leonardo de Moura
d9ee994281 feat(library/hott): copy basic files to hott library 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-26 19:13:04 -07:00
Leonardo de Moura
abe1dbd7e0 refactor(library/standard): cleanup notation 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 11:36:28 -07:00
Leonardo de Moura
a450ad5a95 feat(frontends/lean/inductive_cmd): improve notation for declaring 'empty' inductive datatypes 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 11:24:01 -07:00
Leonardo de Moura
a5b9a7b296 fix(frontends/lean/decl_cmds): support for section declarations with implicit parameters, they must be tagged with '@' when creating aliases 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 11:10:45 -07:00
Leonardo de Moura
62483b793f feat(library/standard): add notation for symm, trans and subst 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 22:49:12 -07:00
Leonardo de Moura
ebf34f2fe9 refactor(library/standard): mark 'not' as transparent 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 22:14:15 -07:00
Leonardo de Moura
d84a4bea5f chore(library/standard): port (an older version of) Floris's nat library to Lean 0.2 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 20:31:28 -07:00
Leonardo de Moura
fd0deb4555 feat(library/standard): add basic properties of binary functions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 17:48:30 -07:00
Leonardo de Moura
bfdf187ce7 refactor(library/standard): rename rec to rec_on 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 17:01:51 -07:00
Leonardo de Moura
5529ef1056 feat(library/standard): add function 'helper' module 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 16:29:39 -07:00
Leonardo de Moura
5296275c41 feat(library/standard/logic): add imp_or theorems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 12:29:23 -07:00
Leonardo de Moura
08174f904b feat(library/standard/logic): mark 'not equal' as an abbreviation 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 12:01:09 -07:00
Leonardo de Moura
8adf6e25ef refactor(library/standard/unit): make unit type similar to the one in the hott library 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-22 09:56:05 -07:00
Leonardo de Moura
c5cbe1cc2c refactor(library/standard): rename bool_decidable to prop_decidable 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-22 09:53:05 -07:00
Leonardo de Moura
b522ea6f2d refactor(library/standard): rename bit to bool 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-22 09:49:54 -07:00
Leonardo de Moura
5eaf04518b refactor(*): rename Bool to Prop 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-22 09:43:18 -07:00
Leonardo de Moura
b7838f5db7 feat(library/standard/cast): add dcongr2 theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-22 05:58:58 -07:00
Leonardo de Moura
1e595e8027 feat(library/standard/decidable): decidable is proof irrelevant 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-22 03:54:28 -07:00
Leonardo de Moura
c0f862d88a feat(library/standard): add Diaconescu's theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-20 21:15:48 -07:00
Leonardo de Moura
13804f75f9 feat(library/standard/logic): iff is refl, trans, and symm 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-20 21:10:30 -07:00
Leonardo de Moura
29b6d1081c feat(library/standard/bool_decidable): cleanup bool_decidable, and remove the artificial dependency to bit 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-21 02:42:11 +01:00
Leonardo de Moura
293ed333c7 feat(library/standard/if): cleanup 'if-then-else' theorems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-21 02:40:43 +01:00
Leonardo de Moura
5e8c128b00 feat(library/standard): add more decidable instances 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-20 01:10:49 +01:00
Leonardo de Moura
c37b5afe93 feat(library/standard): add decidable class 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-20 00:19:32 +01:00
Leonardo de Moura
4a0e701f6d feat(library/standard/bit): add theorems and notation 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-20 00:19:32 +01:00
Leonardo de Moura
8b70ffb0a4 feat(library/standard): add equivalence inductive predicate 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-20 00:19:31 +01:00
Leonardo de Moura
e817260c6d feat(library/standard): add or_comm, and_comm, ... theorems, cleanup notation 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-19 09:29:04 +01:00
Leonardo de Moura
ae2ce356b4 feat(library/hott): use new 'parameters' command 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-17 20:49:53 +01:00
Leonardo de Moura
58da037410 feat(library/hott): add more definitions and theorems from the HoTT book 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-17 20:24:00 +01:00
Leonardo de Moura
dfe48e6abe feat(library/hott): add more hott definitions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-15 22:42:38 +01:00
Leonardo de Moura
f7317a7139 feat(build): compile HoTT library when building 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-15 21:56:36 +01:00
Leonardo de Moura
359bfe93d5 feat(library/hott): add basic HoTT definitions and theorems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-15 21:46:33 +01:00
Leonardo de Moura
f942c6f64c feat(library/standard/classical): add Peirce's law 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-13 03:05:34 +01:00
Leonardo de Moura
e3f364e1ee feat(library/standard): add well-founded induction theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-13 02:48:40 +01:00
Leonardo de Moura
638bdd5e12 feat(library/standard): add forall and exists theorems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-13 02:48:00 +01:00
Leonardo de Moura
9cb238534d feat(library/standard): add hilbert's choice operator 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-13 01:39:35 +01:00
Leonardo de Moura
ea2fffc260 feat(library/standard): add inhabited_exists theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-13 00:24:58 +01:00
Leonardo de Moura
0bd943574e fix(library/standard): make sure file can be compiled when processing theorems in parallel 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-12 23:55:50 +01:00
Leonardo de Moura
ae2f019c23 refactor(library/standard): reorganize cast and piext theorems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-12 20:24:36 +01:00
Leonardo de Moura
bd82f5e81c chore(library/standard/piext): cleanup hcongr proof 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-12 19:08:53 +01:00
Leonardo de Moura
319b1fb8d1 feat(library/standard): add piext axiom, and theorems that follow from it 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-12 09:44:46 +01:00
Leonardo de Moura
cd806bfabb refactor(library/standard): move cast and heq to separate file 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-12 07:08:12 +01:00
Leonardo de Moura
1d273fcfdd chore(frontends/lean): rename 'obtains' to 'obtain' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-12 06:35:24 +01:00
Leonardo de Moura
24540056c5 feat(library/standard): add basic heq theorems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-12 06:21:00 +01:00
Leonardo de Moura
cf34f75ab5 feat(frontends/lean): add 'obtains' expression 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-11 04:08:51 +01:00
Leonardo de Moura
a3be63af73 feat(frontends/lean): add tactic_hint command 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-08 15:08:13 -07:00
Leonardo de Moura
08465f049a feat(frontends/lean): remove [class] annotation and 'class' command, they are redundant, we only need [instance] and 'instance' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-07 16:09:30 -07:00
Leonardo de Moura
c16951aba6 fix(library/aliases): aliasing behavior 
The new test '../../tests/lean/run/alias3.lean' demonstrates the issue being fixed.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-07 15:40:55 -07:00
Leonardo de Moura
d30f387e72 feat(library/standard): add namespace 'pair' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-07 14:48:19 -07:00
Leonardo de Moura
59755289e4 feat(library/unifier): case split on constraints of the form (f ...) =?= (f ...), where f can be unfolded, and there are metavariables in the arguments 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-05 15:52:40 -07:00
Leonardo de Moura
a52c9f4e2b feat(library/unifier): add option 'unifier.unfold_opaque', remove option 'unifier.use_exceptions' (the user should not be able to change this) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-05 09:43:16 -07:00
Leonardo de Moura
efabd2280c feat(library/unifier): allow unifier to unfold opaque definitions of the current module 
It is not clear whether this is a good idea or not. In some cases, it seems to do more harm than good.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-05 00:46:03 -07:00
Leonardo de Moura
9e1d425a45 feat(library/standard): add 'classical' module 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-04 22:50:30 -07:00
Leonardo de Moura
00e1a7db23 feat(frontends/lean/elaborator): add class instance elaboration 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-04 15:45:50 -07:00
Leonardo de Moura
079672f6f9 feat(frontends/lean): add 'class' and 'instances' infrastructure 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-04 14:28:09 -07:00
Leonardo de Moura
a97f82be1a fix(library/standard): orelse notation, avoid conflict with inductive datatype declaration 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-04 10:10:05 -07:00
Leonardo de Moura
e0501104e2 feat(library/tactic): add 'fixpoint' tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-04 01:30:28 -07:00
Leonardo de Moura
ce282a549a feat(frontends/lean): add 'prefix' notation declaration command 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 21:37:56 -07:00
Leonardo de Moura
6d773a2ba4 fix(library/standard): not notation 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 21:29:15 -07:00
Leonardo de Moura
855ffcba34 feat(library/standard): add pairs 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 20:43:16 -07:00
Leonardo de Moura
9ec4f23522 fix(library/standard): congr1 and congr2 theorem definition, we should allow A and B to inhabit different universes 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 16:25:14 -07:00
Leonardo de Moura
7d27368708 refactor(library/standard): use inductive datatype to define inhabited 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 15:05:19 -07:00
Leonardo de Moura
abbd054b51 feat(library/tactic): add eassumption tactic, and remove redundant 'subgoals' from apply tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 13:04:46 -07:00
Leonardo de Moura
528d51bc57 feat(library/standard): add congr theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 09:44:36 -07:00
Leonardo de Moura
0ff145e59b feat(library/tactic): add apply tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 09:20:01 -07:00
Leonardo de Moura
6b8b5f3dd8 feat(library/tactic): expose more builtin tactics, cleanup expr_to_tactic procedure 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 08:06:28 -07:00
Leonardo de Moura
60c637fb9d feat(library/tactic): add 'exact' tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-02 18:37:32 -07:00