diff options
Diffstat (limited to 'theories/Relations/Rstar.v')
| -rw-r--r-- | theories/Relations/Rstar.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/Relations/Rstar.v b/theories/Relations/Rstar.v index 91d2aaa4..82668006 100644 --- a/theories/Relations/Rstar.v +++ b/theories/Relations/Rstar.v @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(*i $Id: Rstar.v 9245 2006-10-17 12:53:34Z notin $ i*) +(*i $Id: Rstar.v 9642 2007-02-12 10:31:53Z herbelin $ i*) (** Properties of a binary relation [R] on type [A] *) @@ -87,7 +87,7 @@ Section Rstar. (** Property of Commutativity of two relations *) - Definition commut (A:Set) (R1 R2:A -> A -> Prop) := + Definition commut (A:Type) (R1 R2:A -> A -> Prop) := forall x y:A, R1 y x -> forall z:A, R2 z y -> exists2 y' : A, R2 y' x & R1 z y'. |