fact: Definition quotmod_ringmap : R -> ringofendabgr quotmod_abgr.
imports: UniMath.Foundations.Sets UniMath.MoreFoundations.Tactics UniMath.Algebra.RigsAndRings UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Algebra.Modules.Core UniMath.Algebra.Modules.Submodule