fact: Definition idtoiso_whisker_r C D E (F F' : Functor D E) (T : F = F') (G : Functor C D) : whisker_r (Category.Morphisms.idtoiso (_ -> _) T : morphism _ _ _) G = (Category.Morphisms.idtoiso (_ -> _) (ap (fun _ => _ o _)%functor T) : morphism _ _ _).
imports: Category.Core Functor.Core NaturalTransformation.Core NaturalTransformation.Composition.Core Functor.Composition.Core Category.Morphisms FunctorCategory.Core NaturalTransformation.Paths Basics.Tactics