proposition: Lemma iscaleDl (p : {ipoly R[n]}) (c1 c2 : R) : (c1 + c2)%:IP * p = c1%:IP * p + c2%:IP * p.
proof: Proof. by rewrite raddfD /= mulrDl. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq path) mathcomp(choice fintype tuple finfun bigop finset binomial) mathcomp(order fingroup perm ssralg zmodp poly ssrint) mathcomp(matrix vector) mathcomp(bigenough) ssrcomplements freeg