proposition: Lemma ger_horner : {in `[a, b] &, {mono horner p : x y /~ x <= y}}.
proof: Proof. exact/le_nmono_in/gtr_hornerW. Qed.
imports: mathcomp.ssreflect.ssreflect mathcomp(ssrfun ssrbool eqtype ssrnat seq choice fintype) mathcomp(bigop order ssralg poly polydiv ssrnum zmodp) mathcomp(polyorder path interval ssrint)