fact: Definition in_SepO_embedding (O : Subuniverse) {A B : Type} (i : A -> B) `{IsEmbedding i} `{In (Sep O) B} : In (Sep O) A.
imports: HoTT.Basics HoTT.Types HoTT.Cubical.DPath HFiber Extensions Factorization Limits.Pullback Modality Accessible Descent Truncations.Core Homotopy.Suspension