Leonardo de Moura
732a92de05
feat(frontends/lean): add 'simp' as shortcut for 'with_options [blast.strategy "simp"] blast'
2015-12-06 13:14:04 -08:00
Leonardo de Moura
edd1b34143
doc(library/blast/forward/pattern): describe pattern inference heuristic
2015-11-25 11:57:30 -08:00
Leonardo de Moura
017abdfb6a
feat(frontends/lean): add notation for providing patterns
2015-11-24 18:48:22 -08:00
Daniel Selsam
6b06a19294
chore(frontends/lean): remove whitespace
2015-11-08 14:05:00 -08:00
Daniel Selsam
fa58d7c71e
feat(frontends/lean): basic support for partial explicit
2015-11-08 14:05:00 -08:00
Leonardo de Moura
1d670e3193
feat(frontends/lean): support for '@@' -- the partial explicit operator
2015-11-08 14:05:00 -08:00
Leonardo de Moura
28a5ca5809
fix(frontends/lean): fixes #830
2015-09-18 07:51:02 -07:00
Leonardo de Moura
1fdbd681cc
feat(frontends/lean/builtin_exprs): name hypothesis in suffices
...
closes #817
2015-09-03 16:09:39 -07:00
Leonardo de Moura
3a72cd9621
fix(frontends/lean): rename multiword keyword "suffices to show" to "suffices"
2015-08-18 17:57:53 -07:00
Leonardo de Moura
3ce8c5d6f7
feat(frontends/lean): add "suffices to show A, from B, C" construct
2015-08-18 17:04:38 -07:00
Leonardo de Moura
06f20694c8
fix(frontends/lean/builtin_exprs): fixes #768
2015-08-08 04:20:17 -07:00
Leonardo de Moura
f21647899f
feat(frontends/lean/builtin_exprs): rename 'show' hidden name to 'this'
...
This is useful if 'show' is recursive
2015-08-07 13:29:21 -07:00
Leonardo de Moura
cfa9412f96
fix(frontends/lean): "show goal" localization, add "position", support "by tactic"
2015-07-28 12:48:12 -07:00
Leonardo de Moura
e0209a1532
feat(frontends/lean): better error localization for 'have'-expressions in tactic mode
2015-07-23 18:52:59 -07:00
Leonardo de Moura
946308b187
feat(frontends/lean): allow anonymous 'have'-expressions in tactic mode
2015-07-23 18:52:59 -07:00
Leonardo de Moura
812ddf1ef5
feat(frontends/lean): add 'suppose'-expression
...
It is a variant of 'assume' that allow anonymous declarations.
2015-07-19 12:15:12 -07:00
Leonardo de Moura
92f8eb173b
feat(frontends/lean): use 'this' as the name for anonymous 'have'-expression
2015-07-18 13:36:05 -05:00
Leonardo de Moura
382d4d32b7
feat(frontends/lean): 'override' command and '#<namespace> <expr>' notation also override aliases
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Before this commit they were only overriding notation declarations.
2015-06-14 15:48:36 -07:00
Leonardo de Moura
3d9b557cfd
feat(frontends/lean): allow the user to mark subterms that should be automatically abstracted into new definitions
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closes #484
2015-06-12 17:49:26 -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
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
5f628d5080
feat(frontends/lean/builtin_exprs): allow 'calc' expressions to be used in tactic mode
2015-05-19 15:54:49 -07:00
Leonardo de Moura
7f8afcf04b
fix(frontends/lean/builtin_exprs): bug in 'using' expressions
2015-05-14 17:17:48 -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
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
616f49c2e4
feat(frontends/lean): improved 'obtains' expression
2015-05-05 18:30:16 -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
441f1f9fe2
feat(frontends/lean): import error message for "unknown" tactics when parsing
2015-05-02 18:57:58 -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
9d01868361
feat(frontends/lean): use rewrite tactic to implement unfold (it has a unfold step)
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closes #502
2015-04-24 17:23:12 -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
2bc13f6bfd
feat(library/tactic/exact): enforce goal type during elaboration when executing 'exact' tactic
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Remark: this was the behavior of the 'sexact' tactic.
This commit also adds the 'rexact' (relaxed exact) tactic which does not
enforce the goal type.
closes #495
2015-04-06 13:23:38 -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
0c3fd7427e
feat(frontends/lean): add syntax-sugar for fold
...
closes #503
2015-03-25 18:25:48 -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
9438366e37
feat(frontends/lean/builtin_exprs): better error synchronization for 'begin...end' blocks
2015-03-13 15:22:57 -07:00
Leonardo de Moura
f966634910
feat(frontends/lean): nested dependent pattern matching
2015-03-06 19:18:08 -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
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
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
c8ad5e9406
feat(frontends/lean/builtin_exprs): focus on have-tactic goal
2015-03-01 13:43:33 -08:00
Leonardo de Moura
c04c610b7b
feat(frontends/lean): add 'assert H : A, ...' as notation for 'have H [visible] : A, ...'
2015-02-25 14:30:42 -08:00
Leonardo de Moura
96b54a8007
feat(frontends/lean/builtin_exprs): add 'have' notation in 'begin-end' blocks
...
It is notation for the assert tactic.
2015-02-25 14:04:17 -08:00
Leonardo de Moura
1ff6446a63
feat(frontends/lean): nested begin-end blocks
2015-02-24 11:59:27 -08:00
Leonardo de Moura
666f697d24
fix(frontends/lean/builtin_exprs): 'using' expression should make local constant available for tactics
2015-02-08 17:27:22 -08:00
