fact: Definition did_cate {A} {D : A -> Type} `{DHasEquivs A D} {a : A} (a' : D a) : DCatEquiv (id_cate a) a' a' := Build_DCatEquiv (DId a').
imports: Basics.Overture Basics.Tactics Basics.Equivalences Types.Sigma WildCat.Core WildCat.Displayed WildCat.Equiv