proposition: Lemma poly_ground_eq0 p : (poly_ground p == 0) = (p == 0).
proof: Proof. by rewrite -sizeY_eq0 sizeY_poly_ground size_poly_eq0. Qed.
imports: HB(structures) mathcomp.ssreflect.ssreflect mathcomp(ssrfun ssrbool eqtype ssrnat seq choice fintype) mathcomp(bigop order ssralg ssrnum ssrint rat poly polydiv polyorder) mathcomp(perm matrix mxpoly polyXY binomial generic_quotient) mathcomp(cauchyreals separable zmodp bigenough)