fact: Definition is_z_iso_tensor_z_iso {X Y X' Y' : C} {f : X --> Y} {g : X' --> Y'} (f_is_z_iso : is_z_isomorphism f) (g_is_z_iso : is_z_isomorphism g) : is_z_isomorphism (f #⊗ g).
imports: UniMath.Foundations.PartD UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.ProductCategory UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.whiskering