proposition: Lemma msuppMNm_le g n : msupp (g *- n) `<=` msupp g.
proof: Proof. by rewrite msuppN msuppMn_le. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat) mathcomp(seq path choice finset fintype finfun) mathcomp(tuple bigop ssralg ssrint ssrnum) xfinmap