fact: Definition eta_path_forall `{P : A -> Type} (f g : forall x, P x) (p : f = g) : path_forall _ _ (apD10 p) = p := eissect apD10 p.
imports: Basics.Overture Basics.Equivalences Basics.PathGroupoids Basics.Tactics Basics.Trunc Basics.Contractible Basics.Trunc (istrunc_forall)