proposition: Lemma prodvSr U V1 V2 : (V1 <= V2 -> U * V1 <= U * V2)%VS.
proof: Proof. exact: prodvS. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq path) mathcomp(choice fintype div tuple finfun bigop ssralg) mathcomp(finalg zmodp matrix vector poly)