fact: Definition ismodality_isequiv_O_functor_hfiber (O : ReflectiveSubuniverse) (H : forall {A B : Type} (f : A -> B) (b : B), IsEquiv (O_functor_hfiber O f b)) : IsModality O.
imports: HoTT.Basics HoTT.Types HFiber Limits.Pullback Factorization Truncations.Core Modality Accessible Localization Descent Separated