fact: Definition isemb_split_preidem_splitsupp (X : Type) (f : PreIdempotent X) (ss : forall x, Collapsible (f x = x)) : IsEmbedding (retract_sect (split_preidem_splitsupp X f ss).1).
imports: HoTT.Basics HoTT.Types HFiber Constant Truncations.Core Modalities.Modality PathAny