Definition pr3bimodule {I : UU} {rings : I -> ring} (MM : multimodule rings) : multimodule_struct (pr2multimodule MM) := (pr2 (pr2 MM)).
Require Import UniMath.Algebra.Modules.Core. Require Import UniMath.Algebra.Groups. Require Import UniMath.Algebra.Monoids. Require Import UniMath.Algebra.RigsAndRings. Require Import UniMath.Foundations.Preamble. Require Import UniMath.Foundations.Sets.