diff options
Diffstat (limited to 'CHANGES')
| -rw-r--r-- | CHANGES | 11 |
1 files changed, 8 insertions, 3 deletions
@@ -50,9 +50,10 @@ Tactics - Every generic argument type declares a tactic scope of the form "name:(...)" where name is the name of the argument. This generalizes the constr: and ltac: instances. -- When in strict mode (i.e. in a Ltac definition) the "intro" tactic cannot use - a locally free identifier anymore. It must use e.g. the "fresh" primitive - instead (potential source of incompatibilities). +- When in strict mode (i.e. in a Ltac definition), if the "intro" tactic is + given a free identifier, it is not bound in subsequent tactics anymore. + In order to introduce a binding, use e.g. the "fresh" primitive instead + (potential source of incompatibilities). - New tactics is_ind, is_const, is_proj, is_constructor for use in Ltac (DOC TODO). - New goal selectors. Sets of goals can be selected by select by listing integers ranges. Example: "1,4-7,24: tac" focuses "tac" on goals 1,4,5,6,7,24. @@ -61,6 +62,10 @@ Tactics "Structural Injection". In this case, hypotheses are also put in the context in the natural left-to-right order and the hypothesis on which injection applies is cleared. +- Tactic "contradiction" (hence "easy") now also solve goals with + hypotheses of the form "~True" or "t<>t" (possible source of + incompatibilities because of more successes in automation, but + generally a more intuitive strategy). Hints |