proposition: Fact odd_poly_is_linear : linear odd_poly.
proof: Proof. by move=> k p q; rewrite odd_polyD odd_polyZ. Qed.
imports: HB(structures) mathcomp(ssreflect ssrbool ssrfun eqtype ssrnat seq choice) mathcomp(fintype bigop finset tuple) mathcomp(div ssralg countalg binomial)