proposition: Lemma fm1 : (1%M : fmonom I) = [::] :> seq I.
proof: Proof. by rewrite /mone /one /= fmoneE. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat) mathcomp(seq path choice finset fintype finfun) mathcomp(tuple bigop ssralg ssrint ssrnum) xfinmap