proposition: Lemma sub_baseField (E : {subfield L}) : (F1 <= baseVspace E)%VS.
proof: Proof. by rewrite -sup_field_module baseVspace_module. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq div) mathcomp(choice fintype tuple finfun bigop ssralg countalg) mathcomp(finalg zmodp matrix vector falgebra poly polydiv) mathcomp(mxpoly generic_quotient)