proposition: Lemma mx_to_scal_one: one A == mx_to_scal 1.
proof: Proof. reflexivity. Qed.
imports: ATBR(Common) ATBR(Classes) ATBR(Graph) ATBR(Monoid) ATBR(SemiLattice) ATBR(SemiRing) ATBR(MxGraph) ATBR(MxSemiLattice) ATBR(BoolView)