fact: Definition modulefun_comp {R} {M N P : module R} (f : R-mod(M, N)) (g : R-mod(N,P)) : R-mod(M,P) := (funcomp f g,, ismodulefun_comp f g).
imports: UniMath.MoreFoundations.Tactics UniMath.Algebra.RigsAndRings UniMath.Algebra.Groups UniMath.Algebra.Monoids