fact: Definition cate_coprod_swap {A : Type} `{HasEquivs A} {e : HasBinaryCoproducts A} (x y : A) : cat_coprod x y $<~> cat_coprod y x.
imports: Basics EquivGpd Types.Prod Types.Sum WildCat.Core WildCat.ZeroGroupoid WildCat.Equiv WildCat.Yoneda WildCat.Universe WildCat.NatTrans WildCat.Opposite WildCat.Products