Lemma modulebinop_lunax {R : ring} {M N : module R} (f : R-mod(M, N)) : modulehombinop (unelmodulefun M N) f = f. Proof. use modulefun_paths2. intros x. use (lunax N). Qed.
Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.Algebra.RigsAndRings. Require Import UniMath.Algebra.Groups. Require Import UniMath.Algebra.Monoids.