fact: Definition pr1multimodule {I : UU} {rings : I -> ring} (MM : multimodule rings) : abgr := pr1 MM.
imports: UniMath.Algebra.Modules.Core UniMath.Algebra.Groups UniMath.Algebra.Monoids UniMath.Algebra.RigsAndRings UniMath.Foundations.Preamble UniMath.Foundations.Sets