proposition: Lemma map_poly_comp (g : iR -> aR) p : map_poly (f \o g) p = map_poly f (map_poly g p).
proof: Proof. exact: map_poly_comp_id0 (raddf0 f). Qed.
imports: HB(structures) mathcomp(ssreflect ssrbool ssrfun eqtype ssrnat seq choice) mathcomp(fintype bigop finset tuple) mathcomp(div ssralg countalg binomial)