proposition: Lemma is_iso_Monic {y x : C} (f : y --> x) (H : is_z_isomorphism f) : Monic y x.
proof: Proof. apply (make_Monic f (is_iso_isMonic f H)). Defined.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.Subcategory.Core UniMath.CategoryTheory.Core.Functors