fact: Definition is_nat_trans_relmodule_mor {M N : RelModule R} {φ : ∏ a : C, M a --> N a} (Hφ : is_relmodule_mor M N φ) : is_nat_trans (functor_from_relmodule M) (functor_from_relmodule N) φ.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Monads.RelativeMonads