proposition: Lemma aspacef_subproof : is_aspace fullv.
proof: Proof. by rewrite /is_aspace subvf has_algid1 ?memvf. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq path) mathcomp(choice fintype div tuple finfun bigop ssralg) mathcomp(finalg zmodp matrix vector poly)