Commit graph

20 commits

Author SHA1 Message Date
Leonardo de Moura
2869d9059f feat(frontends/lean): change 'proof-qed' semantics: no backtracking
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-08-12 17:40:30 -07:00
Leonardo de Moura
f896771987 refactor(library/tactic/expr_to_tactic): use annotations for implementing 'by'
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-08-10 11:16:46 -07:00
Leonardo de Moura
8bd36dabce refactor(kernel/pos_info_provider): get_pos_info return none if position is not available
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-08-01 20:17:26 -07:00
Leonardo de Moura
91b0dcad0f fix(library/tactic): avoid 'unknown' message in trace_tac when position information is not available
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-08 17:48:41 -07:00
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
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
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
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
e3ab0a1d10 feat(frontends/lean): improve error messages when users forget to import 'tactic'
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-03 08:33:29 -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
a7d660f875 feat(frontends/lean): add command for customizing the behavior of proof-qed blocks: we can automatically register tactics to be automatically applied before each component
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 20:45:10 -07:00
Leonardo de Moura
5527955ba8 feat(frontends/lean): add 'proof-qed' notation
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 19:30:48 -07:00
Leonardo de Moura
138267b53a feat(frontends/lean/elaborator) add trick for improving error messages when mixing tactics, elaboration and exact tactic
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 18:58:32 -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
Leonardo de Moura
37b5b7c4c2 feat(library/tactic): rename 'exact' to 'assumption', 'exact' is a different tactic
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 18:10:42 -07:00
Leonardo de Moura
6ab46396d8 feat(library/tactic): expose 'trace' tactic
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 10:52:45 -07:00
Leonardo de Moura
e1d909455c refactor(library/tactic): add namespace 'tactic', improve expr_to_tactic failure error message
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 10:45:09 -07:00
Leonardo de Moura
7593ee1468 refactor(library/standard): remove parameter from 'tactic' inductive type
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 08:09:24 -07:00
Leonardo de Moura
b2b76b078f feat(frontends/lean): remove build_tactic_cmds, and use expressions for representing tactics
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-01 20:43:53 -07:00
Leonardo de Moura
cbac21ec7f feat(library/tactic): add trick for 'embedding' tactics inside Lean expressions
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-01 19:05:22 -07:00