proposition: Lemma mx_to_scal_star (a: MX 1 1): mx_to_scal (a #) == (mx_to_scal a) #.
proof: Proof. simpl. destruct_blocks. rewrite plus_neutral_right. reflexivity. discriminate. Qed.
imports: ATBR(Common) ATBR(Classes) ATBR(Graph) ATBR(Monoid) ATBR(SemiLattice) ATBR(SemiRing) ATBR(KleeneAlgebra) ATBR(MxGraph) ATBR(MxSemiLattice) ATBR(MxSemiRing)