proposition: Lemma size_scale_leq a p : size (a *: p) <= size p.
proof: Proof. by rewrite -[*:%R]/scale_poly unlock size_poly. Qed.
imports: HB(structures) mathcomp(ssreflect ssrbool ssrfun eqtype ssrnat seq choice) mathcomp(fintype bigop finset tuple) mathcomp(div ssralg countalg binomial)