proposition: Lemma functor_is_z_iso_is_z_iso {C C' : category} (F : functor C C') {a b : ob C} (f : C ⟦a,b⟧) (fH : is_z_isomorphism f) : is_z_isomorphism (#F f).
proof: Proof. apply (z_iso_is_z_isomorphism (functor_on_z_iso F (make_z_iso' f fH))). Defined.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.MoreFoundations.PartA UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Adjunctions.Core UniMath.CategoryTheory.Equivalences.Core UniMath.CategoryTheory.whiskering UniMath.CategoryTheory.PrecategoryBinProduct