proposition: Lemma nvar0_mpolyC_eq p : n = 0%N -> p = (p@_0%MM)%:MP.
proof: Proof. by move=> z_p; move:p; rewrite z_p; apply/nvar0_mpolyC. 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