proposition: Lemma msupp_le_mlead p m : m \in msupp p -> (m <= mlead p)%O.
proof: Proof. by move=> mp; apply/joins_sup_seq. 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