Lemma modulefun_paths2 {R : ring} {M N : module R} {f g : modulefun M N} (p : pr1 f ~ pr1 g) : f = g. Proof. exact (modulefun_paths (funextfun _ _ p)). Defined.
Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.Algebra.RigsAndRings. Require Import UniMath.Algebra.Groups. Require Import UniMath.Algebra.Monoids.