proposition: Lemma qpolyC_natr p : (p%:R : {poly %/ h}) = p%:R :> {poly A}.
proof: Proof. by elim: p => //= p IH; rewrite !mulrS poly_of_qpolyD IH. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice fintype tuple) mathcomp(bigop binomial finset finfun ssralg countalg finalg poly polydiv) mathcomp(perm fingroup matrix mxalgebra mxpoly vector countalg)