proposition: Lemma mxvec0 (V : zmodType) (m n : nat) : mxvec (0 : 'M[V]_(m, n)) = 0.
proof: Proof. by apply/eqP; rewrite mxvec_eq0. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat div seq path) mathcomp(ssralg fintype perm choice fingroup) mathcomp(matrix bigop zmodp mxalgebra poly) ssrcomplements