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Author SHA1 Message Date
Leonardo de Moura
68629b2e5f feat(library/init/category/transformers): disable instance has_monad_lift_t ==> has_coe 
It produces non-termination because it triggers sub-problems of the
form (has_monad_lift_t t ?M), and this kind of sub-problem is bad
for the transitive closure rule:

instance has_monad_lift_t_trans (m n o) [has_monad_lift n o] [has_monad_lift_t m n] : has_monad_lift_t m o

The trick above only behaves well for synthesis subproblems that do not
contain sub-variables.

Note that the sub-problem (has_monad_lift_t t ?M) is created by a
similar rule used at has_coe_t.

instance {a : Type u₁} {b : Type u₂} {c : Type u₃} [has_coe a b] [has_coe_t b c] : has_coe_t a c
AND
instance {m n} [has_monad_lift_t m n] {α} : has_coe (m α) (n α) :=

We workaround the issue by disabling

  instance {m n} [has_monad_lift_t m n] {α} : has_coe (m α) (n α)

and adding instances of it. Example:

  meta instance (α : Type) : has_coe (tactic α) (solver α) := ...
  meta instance (α : Type) : has_coe (tactic α) (prover α) := ...
  meta instance (α : Type) : has_coe (tactic α) (smt_tactic α) := ...
 2017-01-01 09:15:25 -08:00
Leonardo de Moura
35cc334b10 feat(library/init/meta): smt_tactic skeleton 2016-12-31 18:22:23 -08:00
Leonardo de Moura
66bc3c796a feat(frontends/lean/elaborator): add extra coercion resolution rule for monads 
We also removed the notation (♯tac) since it is not needed anymore.

@gebner, the comment at elaborator.cpp explains why you had to use the ♯
notation. The workaround is a little bit hackish, but I think it is
worth it. We will use monad lifts in many different places.
 2016-12-31 13:50:15 -08:00
Leonardo de Moura
85f88c4174 refactor(library/data/monad/transformers): move transformers to init 2016-12-31 11:37:13 -08:00
Leonardo de Moura
5d825483c4 refactor(library/init/meta/interactive): tactic.interactive.types ==> interactive.types 
Motivation: we will use auto-quotation for other tactic monads
 2016-12-30 18:06:41 -08:00
Gabriel Ebner
f8331a0dfe fix(library/tools/super/prover_state): correctly detect sos lemmas 2016-12-27 11:21:52 -08:00
Leonardo de Moura
305838bece refactor(library/debugger): move debugger to tools 2016-12-17 10:50:13 -08:00
Leonardo de Moura
63ec7cd6cf chore(library/tools/super): replace ↣ with ^. 
The plan is to delete the funny arrow ↣ notation and keep only ^.
 2016-12-16 19:14:05 -08:00
Leonardo de Moura
85ae8ce307 chore(tools/super): add copyright 2016-12-16 19:06:50 -08:00
Leonardo de Moura
4b97b00536 refactor(library/tools/super): move examples to test folder 2016-12-16 19:05:32 -08:00
Gabriel Ebner
6b15f6cef9 feat(library/tools/super): add super prover 2016-12-16 18:18:13 -08:00
Leonardo de Moura
d97e5b5061 chore(library): remove old files 2016-09-21 11:46:40 -07:00
Leonardo de Moura
0280281b1c chore(library): remove old tactic definition 2016-06-06 14:11:40 -07:00
Leonardo de Moura
d88098f38d chore(frontends/lean): remove some of the tactic support 2016-04-25 15:26:56 -07:00
Leonardo de Moura
3ab0e07ba9 feat(frontends/lean): add simp tactic frontend stub 
This commit also removes the fake_simplifier. It doesn't work anymore
because simp is now a reserved word.
 2015-07-14 09:54:53 -04:00
Floris van Doorn
37995edbd7 fix(tools.md): remove missing link 2015-06-04 20:14:13 -04:00
Leonardo de Moura
4f0f739ea6 feat(library): remove occurrences of 'opaque' keyword 2015-05-08 16:40:03 -07:00
Leonardo de Moura
697d4359e3 refactor(library): add 'init' folder 2014-11-30 20:34:12 -08:00
Leonardo de Moura
c08f4672e4 feat(library/tactic): add 'assert' tactic, closes #349 2014-11-29 21:34:49 -08:00
Leonardo de Moura
1a7dd56f0f fix(library/tools/tactic): 'cases' argument precedence 2014-11-29 21:03:45 -08:00
Leonardo de Moura
f51fa93292 feat(library/tactic): add 'fapply' tactic, closes #356 2014-11-29 19:20:41 -08:00
Leonardo de Moura
2c0472252e feat(frontends/lean): allow expressions to be used to define precedence, closes #335 2014-11-29 18:29:48 -08:00
Leonardo de Moura
e0debca771 feat(library/tactic/inversion_tactic): add 'case ... with ...' variant that allows user to specify names for new hypotheses 2014-11-28 22:25:37 -08:00
Leonardo de Moura
c2602baf2b feat(library/tools/tactic): add 'cases' alias for 'inversion' tactic 2014-11-28 19:33:11 -08:00
Leonardo de Moura
ebd320a6b3 feat(library/tactic): add first step of 'inversion' tactic 2014-11-26 21:28:00 -08:00
Leonardo de Moura
f7deabfd19 feat(library/rename): add notation for rename 2014-11-26 19:02:11 -08:00
Leonardo de Moura
e55397d422 feat(library/tactic): add 'clears' and 'reverts' variants 2014-11-26 14:49:48 -08:00
Leonardo de Moura
2bd8f969d5 feat(library/tactic): add 'revert' tactic, closes #346 2014-11-26 14:23:42 -08:00
Leonardo de Moura
13fba433b0 feat(library/tactic/generalize): add 'generalizes' syntax sugar, closes #327 2014-11-23 17:30:22 -08:00
Leonardo de Moura
f16f215c2a refactor(data/num/string): break into pieces to reduce dependencies 2014-11-07 08:53:14 -08:00
Leonardo de Moura
e993486301 refactor(library/data/num): break into pieces to reduce dependencies 2014-11-07 08:24:29 -08:00
Leonardo de Moura
9547e2d077 feat(library/tactic): add rotate_left/rotate_right tactics, closes #278 2014-10-29 19:13:55 -07:00
Leonardo de Moura
e22eb3543c feat(library/tactic): add whnf tactic, closes #270 2014-10-28 23:18:49 -07:00
Leonardo de Moura
79d0347721 feat(library/tactic): add generalize tactic, closes #34 
Remark: the intros tactic has been added in a different commit: 7d0100a340
 2014-10-23 22:40:15 -07:00
Leonardo de Moura
e750c9b67a feat(frontends/lean): add 'info' tactic for producing PROOF_STATE info for emacs mode 2014-10-23 13:18:30 -07:00
Leonardo de Moura
00f9a10e82 refactor(library/tactic/unfold_tactic): use new 'tactic.expr' to implement 'unfold' tactic 
This change also enabled us to remove hacks used in the tests modified
by this commit.
 2014-10-23 10:26:19 -07:00
Leonardo de Moura
3aec70b92c feat(library/tactic): elaborate 'exact' tactic argument at tactic execution time 2014-10-22 22:13:37 -07:00
Leonardo de Moura
c50227ea6e feat(library/tactic): change apply tactic semantics: goals are not reversed; and dependent arguments are not included 
This commit also adds the tactic rapply that corresponds to the previous
semantics we have been using.
 2014-10-22 18:11:09 -07:00
Leonardo de Moura
e95c7c5f70 refactor(library/tactic/rename_tactic): use new 'tactic.expr' to implement 'intro/intros' tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-10-22 17:29:50 -07:00
Leonardo de Moura
9a316092d1 refactor(library/tactic/rename_tactic): use new 'tactic.expr' to implement rename tactic 2014-10-22 17:29:50 -07:00
Leonardo de Moura
5e15ac0c92 feat(library/tactic): add new approach for embedding non-elaborated expressions into tactics 2014-10-22 17:29:50 -07:00
Leonardo de Moura
e68007a727 fix(frontends/lean/builtin_tactics): adjust tactics precedence 2014-10-20 17:10:16 -07:00
Leonardo de Moura
58c9421bab refactor(library/tactic): elaborate expressions nested in tactics with respect to current goal, save postponed constraints (e.g., flex-flex constraints) closes #44, fixes #70 2014-10-14 17:18:40 -07:00
Leonardo de Moura
e64d5c4a4a refactor(library/data/nat): use new operator '!' 2014-10-01 18:39:47 -07:00
Leonardo de Moura
97b1998def refactor(frontends/lean): replace '[opaque]' modifier with 'opaque 
definition', '[opaque]' is not a hint, but a kind of definition
 2014-09-19 15:54:32 -07:00
Leonardo de Moura
baf4c01de8 feat(frontends/lean): definitions are opaque by default 2014-09-19 15:54:32 -07:00
Leonardo de Moura
364bba2129 feat(frontends/lean/inductive_cmd): prefix introduction rules with the name of the inductive datatype 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-09-04 17:26:36 -07:00
Leonardo de Moura
e51c4ad2e9 feat(frontends/lean): rename 'using' command to 'open' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-09-03 16:00:38 -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