proposition: Lemma transport_target_isMonic {x y z : C} (f : x --> y) (E : isMonic f) (e : y = z) : isMonic (transportf (precategory_morphisms x) e f).
proof: Proof. induction e. apply E. Qed.
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