Definition make_linearfun {R : ring} {M N : module R} (f : M -> N) (is : islinear f) : linearfun M N := tpair _ f is.
Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.Algebra.RigsAndRings. Require Import UniMath.Algebra.Groups. Require Import UniMath.Algebra.Monoids.