fact: Fixpoint apD_extendable_eq (n : nat) {A B : Type} (C : B -> Type) (f : A -> B) (ext : ExtendableAlong n f C) (D : forall b, C b -> Type) (g : forall b c, D b c) (ext' : ExtendableAlong_Over n f C D ext) {struct n} : Type.
imports: HoTT.Basics HoTT.Types Extensions ReflectiveSubuniverse Accessible