proposition: Lemma dimvf : \dim {:vT} = dim vT.
proof: Proof. by rewrite /dimv vs2mxF mxrank1. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(fintype bigop finfun tuple) mathcomp(ssralg matrix mxalgebra zmodp)