diff options
| -rw-r--r-- | examples/category-theory/NaturalTransform.gf | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/examples/category-theory/NaturalTransform.gf b/examples/category-theory/NaturalTransform.gf index e7da79b93..60943737c 100644 --- a/examples/category-theory/NaturalTransform.gf +++ b/examples/category-theory/NaturalTransform.gf @@ -8,7 +8,12 @@ abstract NaturalTransform = Functor ** { data nt : ({c1,c2} : Category) -> (f,g : Functor c1 c2) - -> ((x : Obj c1) -> Arrow (mapObj f x) (mapObj g x)) + -> (n : (x : Obj c1) -> Arrow (mapObj f x) (mapObj g x)) + -> ( ({x,y} : Obj c1) + -> (ar : Arrow x y) + -> EqAr (comp (n y) (mapAr f ar)) + (comp (mapAr g ar) (n x)) + ) -> NT f g ; } |