diff options
Diffstat (limited to 'theories/Init')
| -rw-r--r-- | theories/Init/Notations.v | 10 | ||||
| -rw-r--r-- | theories/Init/Tactics.v | 19 |
2 files changed, 23 insertions, 6 deletions
diff --git a/theories/Init/Notations.v b/theories/Init/Notations.v index 3dc6385d..5f18edcd 100644 --- a/theories/Init/Notations.v +++ b/theories/Init/Notations.v @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(*i $Id: Notations.v 11073 2008-06-08 20:24:51Z herbelin $ i*) +(*i $Id: Notations.v 12271 2009-08-11 10:29:45Z herbelin $ i*) (** These are the notations whose level and associativity are imposed by Coq *) @@ -68,13 +68,13 @@ Reserved Notation "{ x }" (at level 0, x at level 99). (** Notations for sigma-types or subsets *) Reserved Notation "{ x | P }" (at level 0, x at level 99). -Reserved Notation "{ x | P & Q }" (at level 0, x at level 99). +Reserved Notation "{ x | P & Q }" (at level 0, x at level 99). Reserved Notation "{ x : A | P }" (at level 0, x at level 99). -Reserved Notation "{ x : A | P & Q }" (at level 0, x at level 99). +Reserved Notation "{ x : A | P & Q }" (at level 0, x at level 99). -Reserved Notation "{ x : A & P }" (at level 0, x at level 99). -Reserved Notation "{ x : A & P & Q }" (at level 0, x at level 99). +Reserved Notation "{ x : A & P }" (at level 0, x at level 99). +Reserved Notation "{ x : A & P & Q }" (at level 0, x at level 99). Delimit Scope type_scope with type. Delimit Scope core_scope with core. diff --git a/theories/Init/Tactics.v b/theories/Init/Tactics.v index 2d7e2159..48b4568d 100644 --- a/theories/Init/Tactics.v +++ b/theories/Init/Tactics.v @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(*i $Id: Tactics.v 11741 2009-01-03 14:34:39Z herbelin $ i*) +(*i $Id: Tactics.v 13198 2010-06-25 22:36:20Z letouzey $ i*) Require Import Notations. Require Import Logic. @@ -174,3 +174,20 @@ Tactic Notation "now" tactic(t) := t; easy. (** A tactic to document or check what is proved at some point of a script *) Ltac now_show c := change c. + +(** Clear an hypothesis and its dependencies *) + +Tactic Notation "clear" "dependent" hyp(h) := + let rec depclear h := + clear h || + match goal with + | H : context [ h ] |- _ => depclear H; depclear h + end || + fail "hypothesis to clear is used in the conclusion (maybe indirectly)" + in depclear h. + +(** Revert an hypothesis and its dependencies : + this is actually generalize dependent... *) + +Tactic Notation "revert" "dependent" hyp(h) := + generalize dependent h. |