fact: Definition yoneda_isinj_0gpd {A : Type} `{Is1Cat A} (a : A) (F : A^op -> ZeroGpd) `{!Is0Functor F, !Is1Functor F} (x x' : F a) (p : forall b : A, yoneda_0gpd a F x b $== yoneda_0gpd a F x' b) : x $== x' := opyoneda_isinj_0gpd (A:=A^op) a F x x' p.
imports: Basics.Overture Basics.Tactics WildCat.Core WildCat.Equiv WildCat.Universe WildCat.Opposite WildCat.FunctorCat WildCat.NatTrans WildCat.Prod WildCat.ZeroGroupoid