pointwise (F' o F) (G' o G) = pointwise F G' o pointwise F' G. Proof. path_functor. exists composition_of_helper. unfold composition_of_helper. abstract functor_pointwise_t composition_of_helper_helper composition_of_helper_helper_object_of. Defined.
Require Import Category.Core Functor.Core Functor.Pointwise.Core NaturalTransformation.Core NaturalTransformation.Paths Functor.Composition.Core Functor.Identity Functor.Paths. Require Import PathGroupoids Types.Forall HoTT.Tactics. Require Import Basics.Tactics.