proposition: Lemma isaset_Cone_Mor (M N : Cone) : isaset (Cone_Mor M N).
proof: Proof. apply (isofhleveltotal2 2). apply C. intros. apply hlevelntosn. apply impred. intros. apply C. Qed.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.PartA UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Functors