proposition: Lemma size_odd_poly p : size (odd_poly p) <= (size p)./2.
proof: Proof. exact: size_poly. Qed.
imports: HB(structures) mathcomp(ssreflect ssrbool ssrfun eqtype ssrnat seq choice) mathcomp(fintype bigop finset tuple) mathcomp(div ssralg countalg binomial)