fact: Definition opyon_equiv {A : Type} `{HasEquivs A} `{!Is1Cat_Strong A} {a b : A} : (opyon1 a $<~> opyon1 b) -> (b $<~> a).
imports: Basics.Overture Basics.Tactics WildCat.Core WildCat.Equiv WildCat.Universe WildCat.Opposite WildCat.FunctorCat WildCat.NatTrans WildCat.Prod WildCat.ZeroGroupoid