diff options
Diffstat (limited to 'theories/Classes/Equivalence.v')
| -rw-r--r-- | theories/Classes/Equivalence.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/theories/Classes/Equivalence.v b/theories/Classes/Equivalence.v index ef85c14aa..469147cf4 100644 --- a/theories/Classes/Equivalence.v +++ b/theories/Classes/Equivalence.v @@ -103,12 +103,12 @@ Section Respecting. (** Here we build an equivalence instance for functions which relates respectful ones only, we do not export it. *) - Definition respecting [ Equivalence A (R : relation A), Equivalence B (R' : relation B) ] : Type := + Definition respecting {( eqa : Equivalence A (R : relation A), eqb : Equivalence B (R' : relation B) )} : Type := { morph : A -> B | respectful R R' morph morph }. Program Instance respecting_equiv [ eqa : Equivalence A R, eqb : Equivalence B R' ] : - Equivalence (fun (f g : respecting) => forall (x y : A), R x y -> R' (proj1_sig f x) (proj1_sig g y)). - + Equivalence (fun (f g : respecting eqa eqb) => forall (x y : A), R x y -> R' (proj1_sig f x) (proj1_sig g y)). + Solve Obligations using unfold respecting in * ; simpl_relation ; program_simpl. Next Obligation. |