fact: Definition ith_module {I : UU} {rings : I -> ring} (MM : multimodule rings) (i : I) : module (rings i) := (pr1multimodule MM,, pr2multimodule MM i).
imports: UniMath.Algebra.Modules.Core UniMath.Algebra.Groups UniMath.Algebra.Monoids UniMath.Algebra.RigsAndRings UniMath.Foundations.Preamble UniMath.Foundations.Sets