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1325 commits

Author SHA1 Message Date
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