fact: Definition submodule_incl {R : ring} {M : module R} (A : submodule M) : modulefun A M := make_modulefun _ (ismodulefun_pr1 A).
imports: UniMath.MoreFoundations.Subtypes UniMath.Algebra.RigsAndRings UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Algebra.Modules.Core