a b c d f (g : d $-> _) : f $== fmap01 F a (braid c b) $o g -> fmap01 F a (braid b c) $o f $== g. Proof. intros p; symmetry; apply moveL_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.