{A B C : Type} `{Is1Cat A, Is1Cat B, Is1Cat C} (F : A -> B -> C) `{!Is0Bifunctor F, !Is1Bifunctor F} {a0 a1 : A} (f : a0 $-> a1) {b0 b1 : B} {g g' : b0 $-> b1} (q : g $== g') : fmap11 F f g $== fmap11 F f g' := fmap2_pair (uncurry F) (Id _) q.
Require Import Basics.Overture Basics.Tactics. Require Import Types.Forall Types.Prod. Require Import WildCat.Core WildCat.Prod WildCat.Equiv WildCat.NatTrans