a b c d e f (g : e $-> _) : f $== fmap01 F a (fmap01 F b (braid d c)) $o g -> fmap01 F a (fmap01 F b (braid c d)) $o f $== g. Proof. intros p; symmetry; apply moveL_fmap01_fmap01_braidL; symmetry; exact p. Defined.
Require Import Basics.Overture Basics.Tactics Types.Forall. Require Import WildCat.Core WildCat.Bifunctor WildCat.Prod WildCat.Equiv. Require Import WildCat.NatTrans WildCat.Opposite.