fact: Definition splitsupp_split_isemb (X : Type) (f : X -> X) (S : Splitting f) `{IsEmbedding (retract_sect S.1)} : forall x, Collapsible (f x = x).
imports: HoTT.Basics HoTT.Types HFiber Constant Truncations.Core Modalities.Modality PathAny