proposition: Lemma mcoeffC c m : c%:MP@_m = c * (m == 0%MM)%:R.
proof: Proof. by rewrite mcoeff_MPoly coeffU eq_sym. 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