proposition: Lemma is_ptd_mor_pt {C : category} (F : ptd_obj C) : is_ptd_mor _ (F:=id_Ptd C) (ptd_pt _ F).
proof: Proof. intro c; apply id_left. Qed.
imports: UniMath.Foundations.PartD UniMath.MoreFoundations.Propositions UniMath.CategoryTheory.PointedFunctors UniMath.CategoryTheory.PointedFunctorsComposition UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.FunctorCategory UniMath.SubstitutionSystems.Signatures UniMath.SubstitutionSystems.Notation UniMath.CategoryTheory.Monads.LModules UniMath.SubstitutionSystems.SimplifiedHSS.SubstitutionSystems UniMath.CategoryTheory.Monads.Monads UniMath.CategoryTheory.whiskering UniMath.SubstitutionSystems.SimplifiedHSS.MonadsFromSubstitutionSystems UniMath.CategoryTheory.HorizontalComposition UniMath.CategoryTheory.FunctorAlgebras UniMath.CategoryTheory.Limits.BinCoproducts UniMath.CategoryTheory.Limits.Graphs.Colimits UniMath.CategoryTheory.Chains.All UniMath.CategoryTheory.Presheaf UniMath.SubstitutionSystems.SimplifiedHSS.LiftingInitial_alt UniMath.SubstitutionSystems.GenMendlerIteration_alt UniMath.CategoryTheory.Limits.Initial