proposition: Lemma eval_OppPoly p e : eval_poly e (-- p)%qfT = - eval_poly e p.
proof: Proof. elim: p; rewrite //= ?oppr0 // => t ts ->. by rewrite !mulNr !opprD polyCN mul1r. Qed.
imports: mathcomp.ssreflect.ssreflect mathcomp(ssrfun ssrbool eqtype ssrnat seq choice fintype) mathcomp(finfun path matrix) mathcomp(bigop order ssralg poly polydiv ssrnum zmodp div ssrint) mathcomp(polyorder polyrcf interval polyXY) mathcomp(qe_rcf_th ordered_qelim mxtens)