Library CT.Instance.Functor.ContravariantFunctor
Require
Import
CT.Category
.
Require
Import
CT.Functor
.
Require
Import
CT.Instance.Category.Opposite
.
F
:
C
^
op
→
D
. A
contravariant functor
flips morphisms.
Program Definition
ContravariantFunctor
(
C
D
:
Category
) :=
Functor
(
C
^
op
)
D
.