fact: Definition ring_is_module (R : ring) : module R := ringfun_module (rigisotorigfun (idrigiso R)).
imports: UniMath.Algebra.Modules.Core UniMath.Algebra.Modules.Multimodules UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Algebra.RigsAndRings UniMath.Foundations.Preamble UniMath.MoreFoundations.Tactics