fact: Definition ooextendable_from_inO_sigma {O' : ReflectiveSubuniverse} (O : Subuniverse) {A : Type} (B: O_reflector O' A -> Type) {inO_sigma : In O' {z:O_reflector O' A & B z}} : ooExtendableAlong (to O' A) B.
imports: HoTT.Basics HoTT.Types HFiber Extensions Factorization Limits.Pullback ReflectiveSubuniverse