proposition: Lemma additive_linear (R : ringType) (U : lmodType R) V (s : Scale.law R V) (f : U -> V) : linear_for s f -> additive f.
proof: Proof. by move=> Lsf x y; rewrite -scaleN1r addrC Lsf Scale.N1op addrC. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat div seq) mathcomp(choice fintype finfun bigop prime binomial)