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Author SHA1 Message Date
Leonardo de Moura
a9515ac7a4 feat(library/tactic/rewrite_tactic): try to fold nested recursive applications after unfolding a recursive function 
See issue #692.
The implementation still has some rough spots.
It is not clear what the right semantic is.
Moreover, the folds in e_closure could not be eliminated automatically.
 2015-07-08 21:19:18 -04:00
Leonardo de Moura
26574e29a9 feat(library/normalize,frontends/lean): allow multiple arguments in [unfold] hint 
closes #693
 2015-07-07 18:01:57 -07:00
Leonardo de Moura
a27b20cd9c feat(frontends/lean/notation_cmd): allow local notation to override reserved notation 
closes #712
 2015-07-07 17:30:46 -07:00
Leonardo de Moura
4b1b3e277f feat(frontends/lean): rename '[unfold-c]' to '[unfold]' and '[unfold-f]' to '[unfold-full]' 
see issue #693
 2015-07-07 16:37:06 -07:00
Leonardo de Moura
b0c56273e2 fix(frontends/lean/elaborator): fixes #724 2015-07-06 15:19:19 -07:00
Leonardo de Moura
7e0844a9e6 fix(tests): to reflect recent changes in the standard library 2015-07-06 15:05:01 -07:00
Leonardo de Moura
c843690d27 fix(frontends/lean/elaborator): fixes #719 2015-07-03 12:37:28 -07:00
Leonardo de Moura
aa338f6002 test(tests/lean/run): add test showing new coercion module addresses issue #668 2015-07-01 16:41:19 -07:00
Leonardo de Moura
4ae9f3ea81 feat(library/coercion): new coercion manager 
closes #668
 2015-07-01 16:32:34 -07:00
Leonardo de Moura
cf574d0127 feat(library): assign priorities to notation declarations in the standard library 
Now, even if the user opens the namespaces in the "wrong" order, the
notation + coercions will behave as expected.
 2015-06-30 17:38:13 -07:00
Leonardo de Moura
cabe30ba71 feat(frontends/lean): allow user to assign priorities to notation declarations 2015-06-30 17:10:27 -07:00
Leonardo de Moura
0fc2efe88e fix(library/tactic/rewrite_tactic): fixes #702 2015-06-28 20:37:17 -07:00
Leonardo de Moura
95720b1670 fix(frontends/lean/elaborator): fixes #687 2015-06-28 19:58:57 -07:00
Leonardo de Moura
ecfc01b2d0 test(tests/lean/run): add test for <d notation 
see issue #695

remark: we have to fix the tutorial the ASCII notation for fold is `<d`
instead of `<D`
 2015-06-28 13:10:15 -07:00
Leonardo de Moura
1b864a838f fix(library/tactic/induction_tactic.cpp): condition for checking whether 'induction' tatic is applicable or not 
fixes #690
 2015-06-28 13:07:02 -07:00
Leonardo de Moura
2f75768243 feat(library/tactic/rewrite_tactic): fail when nothing is rewritten 
fixes #686
 2015-06-28 12:05:00 -07:00
Leonardo de Moura
d1eaa7bcda feat(frontends/lean/parse_rewrite_tactic): accept trailing comman in rewrite tactic 
see issue #695
 2015-06-28 11:45:30 -07:00
Leonardo de Moura
4a4ef48344 fix(frontends/lean/parse_rewrite_tactic): fixes #691 2015-06-28 11:28:05 -07:00
Leonardo de Moura
869ad261c5 fix(frontends/lean/elaborator): fixes #689 2015-06-27 16:19:38 -07:00
Leonardo de Moura
97b3fd45ce fix(library/logic/axioms/prop_decidable): fixes #704 2015-06-26 19:14:36 -07:00
Leonardo de Moura
2aa64034df fix(tests/lean): adjust tests to reflect changes in the elaboration process 2015-06-26 17:18:30 -07:00
Floris van Doorn
9ef1ae0848 fix(tests): update tests to reflect the change of notation from \~ to ~ 2015-06-25 22:55:05 -04:00
Leonardo de Moura
1b414d36e7 refactor(library/init): define prod as an inductive datatype 
Motivation: prod is used internally in the definitional package.
If we define prod as a structure, then Lean will tag pr1 and pr2 as
projections. This creates problems when we add special support for
projections in the elaborator. The heuristics avoid some case-splits
that are currently performed, and without them some files break.
 2015-06-25 17:59:06 -07:00
Floris van Doorn
fa1979c128 feat(datatypes): let the type of unit be the lowest non-Prop universe 
The definitional package (brec_on and cases_on) now use poly_unit instead of unit

closes #698
 2015-06-25 17:33:46 -07:00
Leonardo de Moura
a4c0699e81 feat(library/tactic/constructor_tactic): restore 'constructor' tactic old semantics, add 'fconstructor' tactic 
See issue #676

Add new test demonstrating why it is useful to have the old semantics
for 'constructor'
 2015-06-17 23:48:54 -07:00
Leonardo de Moura
bf71d9f342 fix(library/tactic/rewrite_tactic): fixes #682 2015-06-17 18:49:02 -07:00
Leonardo de Moura
ce8f2a1674 feat(library/class): allow any constant to be marked as a class 
closes #679
 2015-06-17 16:26:45 -07:00
Leonardo de Moura
9e6e406f73 feat(frontends/lean): add '#compose' command for testing composition manager 2015-06-17 14:42:25 -07:00
Leonardo de Moura
0ae24faae3 feat(library/tactic/constructor_tactic): use 'fapply' in 'constructor' tactic 
closes #676
 2015-06-16 12:03:31 -07:00
Leonardo de Moura
0dc674e350 fix(tests/lean/630): adjust test to reflect changes in the standard library 2015-06-16 11:33:26 -07:00
Jeremy Avigad
a4a8253f50 refactor(library,hott,tests): rename succ_inj to succ.inj, add abbreviation eq_of_succ_eq_succ 2015-06-15 22:52:38 +10:00
Leonardo de Moura
d8620ef4c9 fix(kernel,library,frontends/lean): improve error messages 
see #669
 2015-06-14 19:44:00 -07:00
Leonardo de Moura
8a85e4ee87 feat(frontends/lean/builtin_cmds): improve print <id> when <id> is a not yet revealed theorem 
We add a remark saying the command `reveal <id>` should be used to
access `<id>` definition.
 2015-06-13 12:12:22 -07:00
Leonardo de Moura
591fb91f34 fix(frontends/lean/builtin_cmds): fixes #671 2015-06-13 11:35:03 -07:00
Leonardo de Moura
9fbf267a3f feat(library/tactic/rewrite_tactic): when 'rewrite' step fails apply esimp and try again 
closes #670
 2015-06-12 19:48:58 -07:00
Leonardo de Moura
3d9b557cfd feat(frontends/lean): allow the user to mark subterms that should be automatically abstracted into new definitions 
closes #484
 2015-06-12 17:49:26 -07:00
Leonardo de Moura
7bad9fe554 feat(library/error_handling/error_handling): set 'pp.beta' to false when displaying errors 
see issue #669
 2015-06-12 14:46:51 -07:00
Leonardo de Moura
69be4c720c fix(library/tactic/subst_tactic): bug in 'subst' tactic 2015-06-12 12:11:44 -07:00
Leonardo de Moura
8aa634378e fix(tests/lean): adjust tests to reflect changes in the standard library 2015-06-10 17:00:47 -07:00
Leonardo de Moura
0b335230d7 test(tests/lean): add test for eta at postprocessing 2015-06-10 16:33:27 -07:00
Leonardo de Moura
8b7dc4e03a feat(frontends/lean): apply eta-reduction in postprocessing step 
Perhaps, we should add an option to disable this new feature.

Remark: this commit makes commit 46d418a redundant.
I'm keeping 46d418a because we may retract this commit in the future.
 2015-06-10 16:29:30 -07:00
Leonardo de Moura
4b91cfccff feat(frontends/lean/builtin_exprs): make notation ( e : T ) builtin 
In the previous approach, the following (definitionally equal) term was being generated

       (fun (A : Type) (a : A), a) T e
 2015-06-10 14:52:59 -07:00
Leonardo de Moura
cff7b7474a test(tests/lean/run): add examples showing how to prove (using tactics) that direct_subterm relation is well-founded 
see issue #347
 2015-06-09 16:17:29 -07:00
Leonardo de Moura
1bffb89126 fix(library/algebra/function): lean was failing to infer that injective is a decidable predicate for finite types with decidable equality 
This is an issue reported by Haitao.
 2015-06-09 15:30:58 -07:00
Leonardo de Moura
2663c9ab9f test(tests/lean/run): add test/example 
add test/example that defines count_vars using tactics and recursors.

see #662 for original definition, and e3a0e62859 for the fix that
allows us to use recursive equations.
The recursive equations are compiled into recursors.
 2015-06-09 14:50:15 -07:00
Leonardo de Moura
e3a0e62859 fix(library/unifier): try to generate approximate solution for flex-flex constraints before discarding them 
fixes #662
 2015-06-09 14:36:31 -07:00
Leonardo de Moura
627e05c9e6 fix(library/tactic/rewrite_tactic): improve krewrite 2015-06-08 16:46:28 -07:00
Leonardo de Moura
d6a483fe84 feat(library): add idx_metavar module 2015-06-08 16:02:37 -07:00
Leonardo de Moura
496189feed feat(kernel/default_converter): cache failures for (f t =?= f s) heuristic 
See item 4 at
https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/lean-discuss/oJXwW5wT2Ds/d1Dgr8B-pE0J

See also
https://github.com/leanprover/lean/pull/659
 2015-06-08 10:41:30 -07:00
Leonardo de Moura
0e099b5fd8 feat(library/tactic/rewrite_tactic): apply beta&eta reduction before rewriting steps, add option 'rewrite.beta_eta' (default true) to control new feature. 2015-06-06 20:43:52 -07:00
Leonardo de Moura
1cbace9df6 feat(library/tactic/congruence_tactic): add congruence lemma generator 
The generated congruence theorems ignore arguments that are subsingleton types.
 2015-06-05 22:00:10 -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
Leonardo de Moura
c76d92284f feat(library/pp_options): add 'pp.all' option 2015-06-05 08:41:46 -07:00
Floris van Doorn
7f5caab694 feat(nat): redefine le and lt in the standard library 2015-06-04 20:14:13 -04:00
Floris van Doorn
ff01774fd7 renaming(hit): rename type_quotient to quotient, and quotient to set_quotient 
This renaming is because type_quotient is a nonstandard name.  I've had a discussion with Egbert
Rijke, Steve Awodey and Dan Licata, and the consensus for a better name was 'quotient'.  I had to
make changes in src/kernel/hits/hits.cpp, I renamed g_type_quotient* by g_hit_quotient* (to avoid
name clash the standard library quotient, although I don't know whether that name clash would
matter).
 2015-06-04 20:14:13 -04:00
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
134740182d fix(frontends/lean): fixes #652 2015-06-03 21:53:51 -07:00
Leonardo de Moura
68688ecdf6 fix(library/tactic/subst_tactic): in the standard mode, use dependent elimination in the subst tactic (when needed) 
Before this commit, the subst tactic was producing an type incorrect
result when dependent elimination was needed (see new test for an example).
 2015-06-03 17:36:04 -07:00
Leonardo de Moura
b2f8d2000c fix(library/simplifier/rewrite_rule_set): avoid compiler specific behavior 2015-06-01 22:23:34 -07:00
Leonardo de Moura
d6997300f1 fix(library/private): use environment fingerprint to compute private decls "unique" identifier 
fixes #648
 2015-06-01 22:21:31 -07:00
Leonardo de Moura
4ace996057 fix(library/simplifier): bug in is_permutation_ceqv 2015-06-01 18:07:31 -07:00
Leonardo de Moura
0fbc944cdd feat(frontends/lean): add '[rewrite]' attribute 2015-06-01 17:58:24 -07:00
Leonardo de Moura
b6fde68012 feat(frontends/lean/decl_cmds): avoid funny names when displaying error messages for "examples" 2015-06-01 15:35:28 -07:00
Leonardo de Moura
55608c9b9f fix(frontends/lean/pp): bug in pp arrow 2015-05-31 17:21:37 -07:00
Leonardo de Moura
ca110012d8 feat(library/tactic): automate "generalize-intro-induction/cases" idiom 
closes #645
 2015-05-30 21:57:28 -07:00
Leonardo de Moura
e5a82ef516 feat(frontends/lean): add option for disabling "coercion lifting" 2015-05-30 17:07:42 -07:00
Leonardo de Moura
6f6848968d feat(frontends/lean/coercion_elaborator): "coercion lifting" for backtracking case 
closes #252
 2015-05-30 16:44:26 -07:00
Leonardo de Moura
ea9c810fca feat(frontends/lean/coercion_elaborator): implement "coercion lifting" 
closes #644
 2015-05-30 14:45:14 -07:00
Leonardo de Moura
6d2f37857d feat(frontends/lean/builtin_cmds): add 'print [reducible]', 'print [irreducible]' and 'print [quasireducible]' commands 2015-05-29 16:47:29 -07:00
Leonardo de Moura
0ceedbe69e fix(library/normalize): fixes #640 2015-05-29 15:58:59 -07:00
Leonardo de Moura
60ff057159 test(tests/lean): add missing test for issue #634 2015-05-29 15:13:43 -07:00
Leonardo de Moura
f48cdccd20 fix(frontends/lean/pp): abbreviation with parameters 
closes #639
 2015-05-29 15:13:31 -07:00
Leonardo de Moura
3b7b268e40 fix(frontends/lean/pp): fixes #634 
trying again...
 2015-05-29 14:07:38 -07:00
Leonardo de Moura
7f12401ea7 fix(frontends/lean/elaborator): save type information for 'obtain' declarations 2015-05-29 10:16:12 -07:00
Leonardo de Moura
7342f342a9 fix(frontends/lean/pp): fixes #634 2015-05-28 19:43:49 -07:00
Leonardo de Moura
d95c064a29 feat(library/simplifier/ceqv): add to_ceqv procedure 2015-05-27 16:35:56 -07:00
Leonardo de Moura
85409a59d3 feat(library/tactic/rewrite_tactic): add xrewrite and krewrite tactic variants 
closes #511
 2015-05-27 16:32:43 -07:00
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
ea43f3ea80 fix(frontends/lean/builtin_cmds): fixes #630 2015-05-26 22:19:42 -07:00
Floris van Doorn
a127a676eb fix(tests): fix tests to reflect changes 2015-05-26 21:37:02 -07:00
Leonardo de Moura
0502f46f9b fix(frontends/lean/scanner): another bug related to issue #626 2015-05-26 13:39:42 -07:00
Leonardo de Moura
25e41b9b09 fix(frontends/lean/scanner): fixes #626 2015-05-26 11:33:38 -07:00
Leonardo de Moura
a4e72e5262 test(tests/lean/run): add missing test 2015-05-25 17:02:23 -07:00
Leonardo de Moura
d0987eb3ac feat(library/tactic): add 'subtvars' tactic 2015-05-25 16:36:44 -07:00
Leonardo de Moura
ab58e538a4 feat(frontends/lean/elaborator): hide auxiliary 'match' hypothesis during elaboration 2015-05-25 15:24:56 -07:00
Leonardo de Moura
a3f23d5233 feat(library/tactic): add improved 'subst' tactic 2015-05-25 15:03:59 -07:00
Leonardo de Moura
f13ca3cd9a feat(library/tactic/contradiction_tactic): handle (h1 : p) and (h2 : not p) hypotheses in the contradiction tactic 2015-05-25 10:29:51 -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
004ea80e65 fix(library/tactic/rewrite_tactic): apply beta reduction when selecting patterns 2015-05-24 18:44:30 -07:00
Jeremy Avigad
8bebd104ff refactor(library/*): remove 'Module:' lines 2015-05-23 20:52:23 +10:00
Jeremy Avigad
db7bdce451 refactor(logic/funext.lean, algebra/function.lean): delete logic/funext, merge into algebra/function 2015-05-23 16:16:36 +10:00
Leonardo de Moura
b83b0c0017 fix(library/tactic/induction_tactic): fixes #619 2015-05-21 18:22:07 -07:00
Leonardo de Moura
89581cead7 fix(frontends/lean/parser): fixes #616 2015-05-20 23:33:41 -07:00
Leonardo de Moura
d6b72ef4d7 feat(library/tactic/induction_tactic): try available recursors until one works 
closes #615
 2015-05-20 23:23:05 -07:00
Leonardo de Moura
2164ba6f20 fix(library/tactic/induction_tactic): fixes #614 2015-05-20 23:14:11 -07:00
Leonardo de Moura
51d4644832 fix(library/tactic/induction_tactic): fixes #613 2015-05-20 22:26:50 -07:00
Leonardo de Moura
5508e4b132 feat(library/tactic/induction_tactic): type class inference for minor premises 
closes #611
 2015-05-20 20:48:33 -07:00
Leonardo de Moura
029f374a69 fix(library/tactic/induction_tactic): fixes #610 2015-05-20 20:28:02 -07:00
Leonardo de Moura
2d22bb8ea2 feat(frontends/lean/builtin_cmds): do not unfold proofs in the eval command 
In the future, we should probably add an option for unfolding proofs.
 2015-05-20 19:14:57 -07:00
Leonardo de Moura
d5da659be7 feat(frontends/lean/elaborator): include overload information in error messages 2015-05-20 17:21:27 -07:00
Leonardo de Moura
76c3757db7 feat(frontends/lean/elaborator): use custom normalizers for detecting whether there are coercions from/to a given type 
closes #547
 2015-05-20 16:12:12 -07:00
Leonardo de Moura
af3f0088f4 feat(frontends/lean): add 'override' (notation) command 2015-05-20 11:42:16 -07:00
Leonardo de Moura
8ce992b077 feat(frontends/lean/builtin_exprs): allow 'obtain' to be used in tactic mode 2015-05-19 16:26:02 -07:00
Leonardo de Moura
c133d26505 feat(frontends/lean/builtin_exprs): change how 'show' is processed in tactics 
Unresolved placeholders were not being reported
 2015-05-19 16:23:50 -07:00
Leonardo de Moura
78ee055de8 feat(library/tactic): add induction tactic with support for user defined recursors 
closes #483
closes #492
 2015-05-19 13:27:17 -07:00
Leonardo de Moura
6da2ba331f fix(library/user_recursors): memory access violation 2015-05-19 11:07:31 -07:00
Leonardo de Moura
937d6ac7b6 fix(frontends/lean/pp): print notation produces incorrect output 
fixes #604
 2015-05-19 09:57:13 -07:00
Leonardo de Moura
e1c2340db2 fix(frontends/lean): consistent behavior for protected declarations 
see https://github.com/leanprover/lean/issues/604#issuecomment-103265608

closes #609
 2015-05-18 22:35:18 -07:00
Leonardo de Moura
c53b96c8d3 feat(frontends/lean): print all options for overloaded identifier 
closes #608
 2015-05-18 17:14:17 -07:00
Floris van Doorn
1c77122fd0 fix(tests): update tests because [unfold-c] attribute has been added to some definitions 2015-05-18 15:59:55 -07:00
Leonardo de Moura
19361f0196 feat(library/unifier): do not fire type class resolution as last resort when type contains metavariables 
see discussion at #604
 2015-05-18 15:45:23 -07:00
Leonardo de Moura
c61c049152 feat(library/user_recursors): generalize acceptable use-defined recursors 
see issue #492
 2015-05-18 14:21:10 -07:00
Leonardo de Moura
62082c72a8 fix(library/user_recursors): remove unnecessary restriction on minor premises of user-defined recursors 
see issue #492
 2015-05-18 10:09:11 -07:00
Leonardo de Moura
830d0ce1a7 fix(library/user_recursors): make sure homotopy.rec_on is recognized as a valid user-defined recursor 
see issue #492
 2015-05-18 09:57:50 -07:00
Leonardo de Moura
d4da381e1a feat(tests/lean/run/tut_104): add extra test 2015-05-14 18:34:48 -07:00
Leonardo de Moura
84faef5d5d feat(library/tactic/rewrite_tactic): rewrite tactic with 'iff' lemmas 2015-05-14 18:27:13 -07:00
Leonardo de Moura
7f8afcf04b fix(frontends/lean/builtin_exprs): bug in 'using' expressions 2015-05-14 17:17:48 -07:00
Sebastian Ullrich
77c20e99ff feat(library/tactic/inversion_tactic): consistent orientation of generated equalities 
Generated equalities in proof irrelevant environments were inverted
compared with the documentation and the proof relevant case, which
resulted in newly generated local vars replacing equivalent old ones
instead of the other way around.
 2015-05-14 23:32:54 +02:00
Leonardo de Moura
ea7694ca32 fix(tests/lean/slow/path_groupoids): to reflect changes in the libraries 2015-05-13 22:32:07 -07:00
Leonardo de Moura
cbcaf5a48e fix(frontends/lean/scanner): block comments 
fixes #600
 2015-05-13 22:14:28 -07:00
Leonardo de Moura
163577c23a fix(library/normalize): fixes #599 2015-05-13 18:36:16 -07:00
Leonardo de Moura
e0b39079eb test(tests/lean/extra): add test for issue #597 2015-05-13 15:34:34 -07:00
Leonardo de Moura
11fbee269b fix(frontends/lean/parser): must save state of name_generator in parser snapshot 
To provide typing and auto-completion information, we create a
background process by starting lean with the option --server.
In "server" mode, we create snapshots of the parser state.
The idea is to be able to quickly reprocess a file when the user makes a
modification. This commit fixes a bug in the snapshot operation.
It was not saving in the snapshots the unique name generator used by the parser.
By creating a fresh name generator, we may accidentally
assign the same internal name to two different constants.
This bug triggered the crash described in issue #593.

This commit fixes the test in the comment
https://github.com/leanprover/lean/issues/593#issuecomment-101768484

This commit also adds a smaller version of the problem to the test suite
 2015-05-13 12:28:23 -07:00
Leonardo de Moura
f403ea984b feat(frontends/lean): add 'print [recursor]' command for debugging purposes 2015-05-12 15:48:24 -07:00
Leonardo de Moura
750f6d5a43 feat(library,frontends/lean): validate user defined recursors and add attribute to mark them 
see issue #492

The user-defined recursors will also be used to implement the blast tactic
 2015-05-12 15:48:01 -07:00
Leonardo de Moura
3d8586088b fix(frontends/lean/elaborator): problem with 'calc' proofs discussed at issue #592 2015-05-11 13:22:39 -07:00
Leonardo de Moura
d636b34c1c fix(tests/lean): make sure tests do not fail when compiling Lean with cmake option "-DIGNORE_SORRY=ON" 2015-05-11 11:49:23 -07:00
Leonardo de Moura
c5fb3ec6d0 fix(library/definitional/equations): fixes #541 
This commit allows recursive applications to have less or more arguments
than the equation left-hand-side.
We add two tests
   - 541a.lean  recursive call with more arguments
   - 542b.lean  recursive call with less arguments
 2015-05-10 20:37:44 -07:00
Leonardo de Moura
8f711873a0 fix(tests/lean): adjust tests to reflect changes in the pretty printer 2015-05-10 11:10:38 -07:00
Leonardo de Moura
9812cfe906 test(tests/lean/run): add example for constructive choice 2015-05-09 12:02:52 -07:00
Leonardo de Moura
e9c8de7bdf feat(frontends/lean): remove unnecessary option 2015-05-09 11:49:55 -07:00
Leonardo de Moura
d217655a62 fix(kernel/quotient/quotient): bug in reduction rule for quot.ind 2015-05-09 09:07:03 -07:00
Leonardo de Moura
4e35afedcc feat(frontends/lean): rename 'wait' to 'reveal' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2015-05-08 20:54:16 -07:00
Leonardo de Moura
f8e2f68ce0 feat(frontends/lean): add 'wait' command 
This commit also fixes several problems with -j option (parallel
compilation). The .olean files were not missing data when -j was used

see issue #576
 2015-05-08 20:05:21 -07:00
Leonardo de Moura
cf7e60e5a6 refactor(kernel): remove "opaque" field from kernel declarations 
see issue #576
 2015-05-08 16:06:16 -07:00
Leonardo de Moura
57ea660963 refactor(*): start process for eliminating of opaque definitions from the kernel 
see issue #576
 2015-05-08 16:06:04 -07:00
Leonardo de Moura
061e26157e fix(kernel,library): make sure macros check relevant arguments when kernel is performing full type checking 2015-05-08 12:41:23 -07:00
Leonardo de Moura
72663e8a06 feat(library/tactic/rewrite_tactic): take hypotheses into account when checking rewrite step 2015-05-08 11:34:50 -07:00
Leonardo de Moura
746e6dc0ff fix(tests/lean): adjust tests output to reflect recent changes in the pretty printer 2015-05-08 11:11:00 -07:00
Floris van Doorn
ae43b244ef fix(tests): fix tests to reflect recent changes 2015-05-07 16:39:04 -07:00
Leonardo de Moura
eb3a236119 fix(library/unifier): typo 
fixes #588
 2015-05-07 16:30:02 -07:00
Leonardo de Moura
f6a1d1c864 fix(frontends/lean/parser): fixes #584 2015-05-07 14:24:30 -07:00
Leonardo de Moura
aff9257c72 feat(frontends/lean): allow → to be used in calc proofs 
see issue #586
 2015-05-07 12:28:47 -07:00
Leonardo de Moura
b03266be70 feat(library/normalize,frontends/lean): rename '[unfold-m]' hint to '[constructor]', and allow it to be attached to constants 
closes #587
 2015-05-07 12:00:34 -07:00
Leonardo de Moura
5113f6b9d8 fix(tests/lean): test output to reflect recent changes 2015-05-07 10:01:28 -07:00
Leonardo de Moura
ac24f19210 fix(library/tactic/rewrite_tactic): use relaxed type checker when processing rewrite "proof step" 
That is, the restricted type checker should only be used in the
matching/unification step.

fixes #583
 2015-05-07 09:57:23 -07:00
Leonardo de Moura
5798ac43de fix(frontends/lean/structure_cmd): 'structure' command must set unfold-c attribute for auxiliary recursors 
fixes #582
 2015-05-07 09:09:07 -07:00
Leonardo de Moura
171530d5cc fix(frontends/lean/notation_cmd): fixes #585 2015-05-07 08:36:37 -07:00
Leonardo de Moura
16b7bc3922 fix(kernel/default_converter): broken optimization 
we must also check the universe levels when applying the optimization for
constraints of the form:

            f.{l_1 ... l_k} a_1 ... a_n  =?= f.{l_1' ... l_k'} b_1 ... b_n

The optimization tries to avoid unfolding f if we can establish that
a_i is definitionally equal to b_i for each i in [1, n]

closes #581
 2015-05-06 18:32:41 -07:00
Leonardo de Moura
02662fe489 test(tests/lean/run/new_obtain4): test new 'obtain' expression using minimal amount of annotations 2015-05-06 12:51:06 -07:00
Leonardo de Moura
613281d622 fix(frontends/lean/builtin_exprs): bug in new 'obtain' expression 2015-05-06 10:01:24 -07:00
Leonardo de Moura
26c662accd feat(frontends/lean/builtin_exprs): improve new 'obtain' expression 2015-05-06 09:56:57 -07:00
Leonardo de Moura
84deddcca9 feat(library/tactic/rewrite_tactic): apply 'reflexivity' tactic after 'rewrite' instead of hard coded solution 2015-05-05 20:23:49 -07:00
Leonardo de Moura
c7a20644c0 fix(library/tactic/rewrite_tactic): bug in rewrite tactic (HoTT mode) 
closes #580
 2015-05-05 19:25:15 -07:00
Leonardo de Moura
a4efefb6ff feat(library/tactic/rewrite_tactic): display type error message when 
rewrite tactic fails
 2015-05-05 19:23:41 -07:00
Leonardo de Moura
9bb8c5c98a test(tests/lean/hott): test 'obtain' in the HoTT library 2015-05-05 18:57:09 -07:00
Leonardo de Moura
7cd444882c feat(frontends/lean): add 'begin+' and 'by+' that enter tactic mode with the whole context visible 2015-05-05 18:47:25 -07:00
Leonardo de Moura
5d515a06f7 test(tests/lean/run): add test showing that "proof ... qed" can access the whole context 2015-05-05 18:32:47 -07:00
Leonardo de Moura
616f49c2e4 feat(frontends/lean): improved 'obtains' expression 2015-05-05 18:30:16 -07:00
Leonardo de Moura
741fca1e7b feat(hott/init/path): mark 'idp' and 'idpath' with '[unfold-m]' hint 
closes #496
 2015-05-04 14:29:22 -07:00
Leonardo de Moura
6571c47353 feat(library/normalize): add '[unfold-m]' hint 
See issue #496
 2015-05-04 14:23:04 -07:00
Leonardo de Moura
b347f4868b test(tests/lean/eq_class_error): save "workaround" for cryptic error message 2015-05-03 21:08:09 -07:00
Leonardo de Moura
87aaf373f4 fix(frontends/lean): fix '#' override notation on the left-hand-side of recursive equations (and match-expressions) 2015-05-03 21:08:09 -07:00
Leonardo de Moura
326048df54 feat(library/tactic/inversion_tactic): clear variables that have been eliminated by cases tactic 
see discussion at:
https://groups.google.com/forum/#!topic/lean-discuss/oyzgIqdMyNc
 2015-05-02 19:33:59 -07:00
Leonardo de Moura
441f1f9fe2 feat(frontends/lean): import error message for "unknown" tactics when parsing 2015-05-02 18:57:58 -07:00
Leonardo de Moura
118189eaac fix(frontends/lean/elaborator): bug in translation function 
This commit fixes the bug reported in the lean discussion list:
https://groups.google.com/forum/#!topic/lean-discuss/oyzgIqdMyNc
 2015-05-02 18:05:07 -07:00
Leonardo de Moura
e1dc18f6b6 fix(library/tactic/inversion_tactic): check whether eliminator can only eliminate to Prop 
fixes #571
 2015-05-02 17:48:08 -07:00
Leonardo de Moura
e379034b95 feat(library/tactic): improve 'assumption' tactic 
- It uses the unifier in "conservative" mode
- It only affects the current goal

closes #570
 2015-05-02 17:33:54 -07:00
Leonardo de Moura
8c107d6936 fix(frontends/lean/builtin_cmds): bug in export command 
Cause: we have two different tokes to represent declarations: [decls] and [declarations]

fixes #568
 2015-05-02 16:01:25 -07:00
Leonardo de Moura
b39fe17dee feat(library/tactic): add 'transitiviy', 'reflexivity' and 'symmetry' tactics 
closes #500
 2015-05-02 15:48:25 -07:00
Leonardo de Moura
cd17618f4a refactor(library): replace 'calc_trans', 'calc_symm', 'calc_refl' and 'calc_subst' commands with attributes '[symm]', '[refl]', '[trans]' and '[subst]' 
These attributes are used by the calc command.
They will also be used by tactics such as 'reflexivity', 'symmetry' and
'transitivity'.

See issue #500
 2015-05-02 15:15:35 -07:00
Leonardo de Moura
efc33a2f1d fix(tests/lean): adjusts tests 2015-05-02 13:01:37 -07:00
Leonardo de Moura
415ca2b93f feat(library/tactic): add 'congruence' tactic 
It is the f_equal described at issue #500.
 2015-05-02 12:58:46 -07:00
Leonardo de Moura
230b994e79 fix(tests/lean/slow): adjust tests 2015-05-01 19:47:55 -07:00
Leonardo de Moura
9dc0388022 fix(library/tactic/rewrite_tactic): bug when rewriting hypotheses 2015-05-01 19:45:23 -07:00
Leonardo de Moura
ac8ba6a3cf feat(library/tactic): add 'subst' tactic 
see issue #500
 2015-05-01 19:31:24 -07:00
Leonardo de Moura
b0759f3986 fix(library/tactic/rewrite_tactic): bug when rewriting multiple hypotheses 2015-05-01 19:03:43 -07:00
Leonardo de Moura
ea87dd48e3 chore(tests/lean/hott/inj_tac): fix typo 2015-05-01 18:18:57 -07:00
Leonardo de Moura
de369a0a0a feat(library/tactic/injection_tactic): improve 'injection' tactic 
see issue #500
 2015-05-01 15:49:56 -07:00
Leonardo de Moura
9ba8b284a1 fix(library/tactic/apply_tactic): add eapply, and fix issue #361 2015-05-01 15:08:00 -07:00
Leonardo de Moura
63eb155c7e feat(library/tactic): add 'injection' tactic 
see issue #500
 2015-05-01 12:45:21 -07:00
Leonardo de Moura
7e9f574ef3 fix(library/tactic/apply_tactic): use internally 'apply' instead of 'fapply' as the default "apply" tactic 
This changes improves the 'constructor' tactic
 2015-04-30 21:58:35 -07:00
Leonardo de Moura
4f7f66de3f test(tests/lean/run): add new test 2015-04-30 21:38:33 -07:00
Leonardo de Moura
2d9c950144 feat(library/tactic/constructor_tactic): allow 'constructor' tactic without index 
see issue #500
 2015-04-30 21:15:07 -07:00
Leonardo de Moura
15e52b06df fix(library/tactic/constructor_tactic): bug in constructor tactic 
see example (constr_tac2.lean) in comment at issue #500
 2015-04-30 20:18:24 -07:00
Leonardo de Moura
d18f9c7607 fix(library/tactic/constructor_tactic): use 1 (instead of 0) to reference the first constructor 
see comment at issue #500
 2015-04-30 20:08:00 -07:00
Leonardo de Moura
0b995c4fe3 fix(library/tactic/rewrite_tactic): relax reducibility constraints in some parts of the rewrite tactic 
fixes #567
 2015-04-30 18:22:58 -07:00
Leonardo de Moura
d152f38518 feat(library/tactic): add 'constructor', 'split', 'left', 'right' and 'existsi' tactics 
see issue #500
 2015-04-30 17:52:29 -07:00
Leonardo de Moura
125ab8c228 fix(tests/lean/interactive/findp): adjust test output 2015-04-30 15:45:15 -07:00
Leonardo de Moura
1c6067bac2 feat(library/tactic): add 'exfalso' tactic 
see issue #500
 2015-04-30 15:43:07 -07:00
Leonardo de Moura
9c8a63caec feat(library/tactic): add 'contradiction' tactic 
see issue #500

Remark: this tactic also applies no_confusion to take care of a contradiction
 2015-04-30 13:47:40 -07:00
Leonardo de Moura
3233008039 feat(library/tactic): allow user to name generalized term in the 'generalize' tactic 
closes #421
 2015-04-30 11:57:40 -07:00
Leonardo de Moura
3912bc24c8 feat(frontends/lean): nicer syntax for 'intros' 'reverts' and 'clears' 2015-04-30 11:00:39 -07:00
Leonardo de Moura
d6d30f12c6 feat(frontends/lean): add "polymorphic" print command 
closes #524
 2015-04-29 16:17:33 -07:00
Leonardo de Moura
1a28a3c36f feat(frontends/lean): add 'print inductive' command 2015-04-29 15:22:10 -07:00
Leonardo de Moura
dce7177382 feat(library/tactic/change_tactic): improve 'change' tactic 
- Better error messages
- Try to solve unification constraints produced during is_def_eq test

addresses comment on issue #531
 2015-04-29 13:31:09 -07:00
Leonardo de Moura
d055947243 feat(library/tactic/rewrite_tactic): ignore implicit argument when matching at rewrite tactic 2015-04-29 12:51:33 -07:00
Leonardo de Moura
b790ca9806 fix(library/tactic/rewrite_tactic): type check rewriting steps 
closes #550
 2015-04-29 12:16:37 -07:00
Leonardo de Moura
d1cb0018c0 fix(tests): adjust tests to reflect changes in the HoTT library 2015-04-29 10:15:13 -07:00
Leonardo de Moura
051615712c fix(kernel/quotient/quotient): bug in reduction rule 2015-04-29 10:01:17 -07:00
Leonardo de Moura
d2c7b5c319 feat(library/tactic): add 'let' tactic 
closes #555
 2015-04-28 17:24:43 -07:00
Leonardo de Moura
1be72f1faa feat(frontends/lean): parse argument of unary tactis with rbp=0, tokens may have a different precedence in expression and tactic modes 2015-04-28 13:43:05 -07:00
Leonardo de Moura
a23118d357 feat(frontends/lean): add tactic_notation command 
This addresses the first part of issue #461

We still need support for tactic definitions
 2015-04-27 17:46:13 -07:00
Leonardo de Moura
ca8943f45b feat(library,hott): remove rapply tactic 2015-04-27 15:06:16 -07:00
Leonardo de Moura
9d01868361 feat(frontends/lean): use rewrite tactic to implement unfold (it has a unfold step) 
closes #502
 2015-04-24 17:23:12 -07:00
Leonardo de Moura
28404fe16d fix(library/tactic/rewrite_tactic): second problem reported at issue #548 
closes #548
 2015-04-24 16:49:32 -07:00
Leonardo de Moura
6134c8822a fix(frontends/lean/util): assertion violation 
fixes #559
 2015-04-24 15:09:23 -07:00
Leonardo de Moura
f723550d33 feat(frontends/lean/elaborator): decorates error message with free variables introduced by the left-hand-side of the equation 
closes #528
 2015-04-24 14:58:15 -07:00
Leonardo de Moura
8241863abe feat(kernel/hits): add two builtin HITs: type_quotient and trunc 2015-04-23 15:32:31 -07:00
Leonardo de Moura
2613e7c444 fix(frontends/lean): bug when handling identifiers in tactics 
This bug was reported by Jeremy in the Lean Google group:
https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/lean-discuss/ZKJ8WPPEVJA/n05x6rPRzvMJ
 2015-04-22 16:03:22 -07:00
Leonardo de Moura
e1a609cad9 fix(tests/lean/interactive/findp): test output to reflect changes in the stdlib 2015-04-22 13:08:56 -07:00
Leonardo de Moura
349cdb3fe7 test(tests/lean): add test showing that the binder type update should not change the parameter order 2015-04-22 13:04:05 -07:00
Leonardo de Moura
a526cd92ac fix(frontends/lean): bug in pretty printer 
this is related to issue #530
 2015-04-22 12:44:08 -07:00
Leonardo de Moura
dc93603b4a feat(frontends/lean): parameter and variable binder type update 
see issue #532
 2015-04-22 12:28:11 -07:00
Leonardo de Moura
91f21c007a feat(frontends/lean): remove 'context' command 2015-04-22 11:32:02 -07:00
Leonardo de Moura
53653c3526 fix(frontends/lean): pretty printing in sections with parameters 
fix #530
 2015-04-21 22:44:09 -07:00
Leonardo de Moura
8e9997e253 chore(tests/lean/interactive/sec_info_bug): remove 'context' command from test 2015-04-21 19:52:01 -07:00
Leonardo de Moura
fe9f4dd95f fix(frontends/lean): another bug in sections with parameters 2015-04-21 19:50:21 -07:00
Leonardo de Moura
3df99e514b fix(frontends/lean): problems with sections 2015-04-21 19:46:57 -07:00
Leonardo de Moura
9fb7aa9f1c chore(tests): remove most occurrences of 'context' command from the test suite 2015-04-21 19:33:21 -07:00
Leonardo de Moura
ce153d01f9 test(tests/lean/sec_notation2): notation nested in namespace/section/section 2015-04-21 19:07:52 -07:00
Leonardo de Moura
52e9ad1a98 feat(frontends/lean): allow persistent notation declaration in sections (when they do not contain parameters) 
see issue #554
 2015-04-21 19:04:06 -07:00
Leonardo de Moura
bf8a7eb9b4 fix(library/scoped_ext): bug in local metadata in sections 
The problem is described in issue #554
 2015-04-21 18:56:28 -07:00
Leonardo de Moura
697a536d9e fix(library/tactic/inversion_tactic): type incorrect term being built by 'cases' tactic 
fixes #545
 2015-04-20 19:24:52 -07:00
Leonardo de Moura
107763a506 fix(frontends/lean): better error message for 'proof ... qed' blocks containing unsolved placeholders 2015-04-20 15:50:37 -07:00
Leonardo de Moura
6f6d106a10 feat(library/tactic): add "check_expr" tactic 
closes #486
 2015-04-19 19:00:05 -07:00
Leonardo de Moura
60e320fd79 feat(frontends/lean): protected constants and axioms 
fixes #527
 2015-04-19 17:45:58 -07:00
Leonardo de Moura
b7ca2a0ec9 fix(library/tactic/exact_tactic): exact and or_else 
fixes #543
 2015-04-19 17:23:09 -07:00
Leonardo de Moura
306087b5d3 refactor(library/data): rename 'countable' to 'encodable', define countable in the usual way, and prove all 'encodable' type is 'countable' 2015-04-19 14:20:47 -07:00
Leonardo de Moura
cc63a40a01 feat(library): enforce name conventions on old nat declarations 2015-04-18 10:50:30 -07:00
Leonardo de Moura
3e5796acb2 fix(tests/lean/abbrev1): to reflect recent changes 2015-04-18 10:40:46 -07:00
Leonardo de Moura
f16eaf8f0f test(tests/lean/run/pickle1): add unpickle/pickle test 2015-04-14 21:32:07 -07:00
Leonardo de Moura
795acc70a6 refactor(library/data/finset): move finset to its own directory 2015-04-09 19:30:09 -07:00
Leonardo de Moura
4416d9b2c5 test(tests/lean/run): add basic tests for finset module 2015-04-09 15:56:41 -07:00
Leonardo de Moura
24f1454c0a fix(tests/lean/interactive/findp): adjust test output to reflect recent changes in the pretty printer 2015-04-08 09:49:22 -07:00
Leonardo de Moura
5d95cb0979 feat(library/tactic): add 'refine' tactic 
closes #482
 2015-04-06 18:36:56 -07:00
Leonardo de Moura
412f03b08b feat(library/tactic/exact_tactic): generate error if 'exact' tactic produces a term containing metavariables 2015-04-06 13:38:53 -07:00
Leonardo de Moura
754276a660 feat(frontends/lean): round parenthesis for [tactic1 | tactic2] 
This commit also replaces the notation for divides
     `(` a `|` b `)`
with
      a `∣` b

The character `∣` is entered by typing \|

closes #516
 2015-04-06 09:24:09 -07:00
Leonardo de Moura
969d17fd12 fix(frontends/lean/elaborator): class inference in tactic mode with trunc 
closes #477
 2015-04-05 17:47:14 -07:00
Leonardo de Moura
bebe8a4f17 fix(tests/lean/bad_coercions): expected output 2015-04-05 03:00:29 -07:00
Leonardo de Moura
d731a4ab13 feat(library/normalize): add '[unfold-f]' hint 
closes #497
 2015-04-05 03:00:13 -07:00
Leonardo de Moura
d591c63840 feat(frontends/lean/decl_cmds): allow local coercions in contexts 
closes #525
 2015-04-04 15:25:07 -07:00
Leonardo de Moura
8c59f17605 feat(frontends/lean): 'using' expression without 'show' or 'have' 
closes #536
 2015-04-04 15:25:07 -07:00
Leonardo de Moura
4ec0e1b07c feat(frontends/lean): improve calc mode 
Now, it automatically supports transitivity of the form
    (R a b) -> (b = c) -> R a c
    (a = b) -> (R b c) -> R a c

closes #507
 2015-04-04 08:58:35 -07:00
Leonardo de Moura
1150b19598 perf(frontends/lean/elaborator): do not invoke recursive equation compiler when equations still contain metavariables 2015-04-02 23:37:33 -07:00
Leonardo de Moura
f8023403af test(tests/lean/run): add another simple test 2015-04-01 15:49:01 -07:00
Leonardo de Moura
bf142f3f18 fix(tests/lean): adjust tests to reflect changes in the standard library 2015-04-01 15:09:00 -07:00
Leonardo de Moura
0d66d19ba3 feat(tests/lean/run/finset): show that if A has decidable equality, then (finset A) also has it. 2015-04-01 13:19:16 -07:00
Leonardo de Moura
b960e123b1 feat(kernel): add experimental support for quotient types 2015-03-31 22:04:16 -07:00
Leonardo de Moura
82833bcbe8 fix(tests/lean/struct_class): add setoid to expected output 2015-03-31 22:03:57 -07:00
Leonardo de Moura
8c76419c60 fix(frontends/lean/decl_cmds): error localization problem for recursive equations 2015-03-30 13:30:29 -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
Soonho Kong
8243ed6339 fix(test*.sh): allow spaces in filename 
fix #515
 2015-03-28 23:29:52 -04:00
Leonardo de Moura
75621df52b feat(frontends/lean): uniform notation for lists in tactics 
closes #504
 2015-03-27 17:54:48 -07:00
Leonardo de Moura
242f8ba048 feat(frontends/lean/elaborator): include number of unsolved goals 
See #509
 2015-03-27 14:54:41 -07:00
Leonardo de Moura
0c3fd7427e feat(frontends/lean): add syntax-sugar for fold 
closes #503
 2015-03-25 18:25:48 -07:00
Leonardo de Moura
f2b1752807 fix(frontends/lean/parser): add workaround for #461 2015-03-25 18:09:43 -07:00
Leonardo de Moura
b9e3c474c9 feat(library/tactic): add all_goals tactic 
closes #501
 2015-03-25 17:42:34 -07:00
Leonardo de Moura
49bc56ec07 feat(frontends/lean/pp): improve pretty printer for prefix and postfix notation 
closes #491
 2015-03-25 16:45:58 -07:00
Leonardo de Moura
a1f933886f fix(frontends/lean/structure_cmd): explicit universe levels for structures 
closes #490
 2015-03-25 16:10:30 -07:00
Leonardo de Moura
33d2e8d9d3 test(tests/lean/run): workaround for issue #505 2015-03-25 15:53:50 -07:00
Leonardo de Moura
5f1d827b26 fix(frontends/lean/decl_cmds): assertion violation 
closes #506
 2015-03-25 13:46:23 -07:00
Leonardo de Moura
ac30052a29 fix(library/tactic/rewrite_tactic): apply substitution before trying to rewrite 
closes #487
 2015-03-23 18:32:52 -07:00
Leonardo de Moura
5bf46d1226 fix(library/tactic/inversion_tactic): improve 'cases' tactic for HoTT mode 
closes #481
 2015-03-23 18:06:11 -07:00
Leonardo de Moura
76157ba392 fix(frontends/lean/pp): abbreviations with too much arguments 
closes #480
 2015-03-23 12:16:25 -07:00
Leonardo de Moura
0814e76298 fix(library/tactic/clear_tactic): unexpected failure 
This commit also improves the error message produced by the 'clear' tactic.

fixes #488
 2015-03-23 12:08:15 -07:00
Leonardo de Moura
35f2a61b4d fix(tests/lean): add missing file 2015-03-23 11:35:39 -07:00
Leonardo de Moura
b5acbb2228 fix(frontends/lean/pp): missing parenthesis around abbreviations 
fixes #476
 2015-03-16 17:12:03 -07:00
Leonardo de Moura
fc3a7bac59 feat(frontends/lean): improve error handling inside match-with expressions 2015-03-13 23:25:46 -07:00
Leonardo de Moura
bed0d6df6b fix(frontends/lean/elaborator): inaccessible over coercion 2015-03-13 23:04:45 -07:00
Leonardo de Moura
cfeb426cd7 fix(frontends/lean): pretty print numeral notation from algebra 2015-03-13 18:58:34 -07:00
Leonardo de Moura
362a0ec04c test(tests/lean): tests for error handling improvements 2015-03-13 15:32:25 -07:00
Leonardo de Moura
b88b98ac22 feat(frontends/lean): try to add definition/theorem as axiom when it fails to be processed 
The idea is to avoid a "tsunami" of error messages when a heavily used
theorem breaks in the beginning of the file
 2015-03-13 14:47:21 -07:00
Leonardo de Moura
f5811d6092 feat(frontends/lean): hide subterms that do not contain metavariables 
when generating "unresolved metavariables" error message

closes #473
 2015-03-13 12:42:57 -07:00
Leonardo de Moura
cda19f5aa6 feat(library/tactic/rewrite_tactic): improve rewrite tactic error messages 
closes #471
 2015-03-12 20:49:53 -07:00
Leonardo de Moura
7accd0f1e6 feat(library/tactic/rewrite_tactic): allow rewrite with terms that contains binders 
see discussion at #470
 2015-03-12 18:07:55 -07:00
Leonardo de Moura
6a78ae7b46 fix(library/tactic/class_instance_synth): enforce consistent behavior in type class resolution 
Auxiliary procedure mk_class_instance was not discarding partial solutions.
This procedure is used by the apply and inversion (aka cases) tactics
 2015-03-12 10:27:05 -07:00
Leonardo de Moura
47a350d888 fix(library/tactic/inversion_tactic): missing condition for applying optimization 2015-03-12 09:11:36 -07:00
Leonardo de Moura
7de3d5771d feat(library/tactic/rewrite_tactic): add eta-reduction support at esimp 
closes #469
 2015-03-12 00:32:31 -07:00
Leonardo de Moura
b5fb7c734e feat(library/tactic/inversion_tactic): remove hypothesis being destructed 
addresses second issue in #468
 2015-03-11 20:42:50 -07:00
Leonardo de Moura
4c6b0dc0e5 fix(library/tactic/expr_to_tactic): tactic_expr_to_id did not take as_atomic annotation into account 
fixes #466
 2015-03-11 08:49:59 -07:00
Leonardo de Moura
4904f7657f test(tests/lean/run): add definition package tests 2015-03-09 08:42:21 -07:00
Leonardo de Moura
f6cd604a44 chore(library/data/bool): enforce naming conventions 2015-03-06 19:20:48 -08:00
Leonardo de Moura
f966634910 feat(frontends/lean): nested dependent pattern matching 2015-03-06 19:18:08 -08:00
Leonardo de Moura
14ca2d407d test(tests/lean/run): add match-with nested in tactic test 2015-03-06 17:47:01 -08:00
Leonardo de Moura
1490bdad49 feat(frontends/lean): add version of 'exact' tactic (sexact) that enforces goal type during term elaboration 2015-03-06 17:34:45 -08:00
Leonardo de Moura
bd8c4315f1 feat(frontends/lean): allow 'match-with' to be used in tactics without prefixing it with 'exact' 2015-03-06 15:49:31 -08:00
Leonardo de Moura
4edd7b9099 fix(library/definitional/equations): allow a function to be the result of a match-with term or recursive definition 2015-03-06 15:08:52 -08:00
Leonardo de Moura
f24d9e84fe feat(frontends/lean): add option 'max_memory' 
Default value is 512Mb
 2015-03-06 13:56:20 -08:00
Leonardo de Moura
3b721fe675 feat(frontends/lean): add missing 'help' command 2015-03-06 13:56:20 -08:00
Leonardo de Moura
daf36803c4 fix(frontends/lean/builtin_exprs): bug in 'using' construct 2015-03-06 13:56:20 -08:00
Leonardo de Moura
368f9d347e refactor(frontends/lean): approach used to parse tactics 
The previous approach was too fragile

TODO: we should add separate parsing tables for tactics
 2015-03-05 18:11:21 -08:00
Leonardo de Moura
28487ede3b feat(frontends/lean/decl_cmds): allow 'empty' set of pattern matching equations 2015-03-05 14:37:29 -08:00
Leonardo de Moura
b73a931c70 fix(frontends/lean/elaborator): missing case 'no-equation' annotation 2015-03-05 14:37:29 -08:00
Leonardo de Moura
039afb4578 feat(frontends/lean): treat "proof t qed" as alias for "by exact t" 2015-03-05 11:12:39 -08:00
Leonardo de Moura
abd238aef0 feat(*): add [quasireducible] attribute 2015-03-04 22:12:49 -08:00
Leonardo de Moura
c6d15dc198 fix(tests/lean/interactive): adjust tests to reflect changes in the standard library 2015-03-04 18:30:31 -08:00
Leonardo de Moura
fde83cd376 fix(tests/lean/hott): adjust tests to reflect changes in the libraries 2015-03-04 09:28:16 -08:00
Leonardo de Moura
18e6e55fc9 chore(tests/lean/interactive/num2): adjust test to reflect changes in the standard library 2015-03-03 16:17:59 -08:00
Leonardo de Moura
fa79b214b8 fix(frontends/lean): allow 'attribute <id> [priority ...]' 2015-03-03 16:17:32 -08:00