proposition: Lemma raddf_int_scalable (aV rV : lmodType int) (f : {additive aV -> rV}) : scalable f.
proof: Proof. by move=> z u; rewrite -[z]intz !scaler_int raddfMz. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(fintype finfun bigop order ssralg countalg ssrnum) mathcomp(poly)