fact: Definition natequiv_postwhisker {A B C} {F G : A -> B} `{IsGraph A, HasEquivs B, HasEquivs C, !Is0Functor F, !Is0Functor G} (K : B -> C) (alpha : NatEquiv F G) `{!Is0Functor K, !Is1Functor K} : NatEquiv (K o F) (K o G).
imports: Basics.Overture Basics.Tactics WildCat.Core WildCat.Equiv WildCat.Square