{A B : Type} {F G K : A -> B} `{IsGraph A, Is1Cat B, !Is0Functor F, !Is0Functor G, !Is0Functor K} : NatTrans G K -> NatTrans F G -> NatTrans F K := fun alpha beta => Build_NatTrans (trans_comp alpha beta) _.
Require Import Basics.Overture Basics.Tactics. Require Import WildCat.Core. Require Import WildCat.Equiv. Require Import WildCat.Square. Require Import WildCat.Opposite.