proposition: Lemma monalgE (g : {malg G[K]}) : g = \sum_(k <- msupp g) << g@_k *g k >>.
proof: Proof. exact/monalgEw. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat) mathcomp(seq path choice finset fintype finfun) mathcomp(tuple bigop ssralg ssrint ssrnum) xfinmap