fact: Definition merely_rec_hset `{Funext} {X Y : Type} (f : X -> Y) `{Ys : X -> IsHSet Y} `{WeaklyConstant _ _ f} : merely X -> Y := (cconst_wconst_hset f).1.
imports: HoTT.Basics HoTT.Types Extensions Factorization Truncations.Core Modalities.Modality