fact: Definition catie_isequiv {A B : Type} {f : A $-> B} `{IsEquiv A B f} : CatIsEquiv f.
imports: Basics.Overture Basics.Tactics Basics.Equivalences Basics.PathGroupoids Types.Equiv WildCat.Core WildCat.Equiv WildCat.NatTrans WildCat.TwoOneCat