{A B C : Type} `{Is1Cat A, Is1Cat B, Is1Cat C} (F : A -> B -> C) `{!Is0Bifunctor F, !Is1Bifunctor F} {a0 a1 a2 : A} (g : a1 $-> a2) (f : a0 $-> a1) (b : B) : fmap10 F (g $o f) b $== fmap10 F g b $o fmap10 F f b := fmap_comp (flip F b) f g.
Require Import Basics.Overture Basics.Tactics. Require Import Types.Forall Types.Prod. Require Import WildCat.Core WildCat.Prod WildCat.Equiv WildCat.NatTrans