fact: Definition extendable_over_postcompose (n : nat) {A B : Type} (C : B -> Type) (f : A -> B) (ext : ExtendableAlong n f C) (D E : forall b, C b -> Type) (g : forall b c, D b c -> E b c) `{forall b c, IsEquiv (g b c)} : ExtendableAlong_Over n f C D ext -> ExtendableAlong_Over n f C E ext := extendable_over_postcompose' n C f ext D E (fun b c => Build_Equiv _ _ (g b c) _).
imports: HoTT.Basics HoTT.Types Extensions ReflectiveSubuniverse Accessible