proposition: Lemma dot_scal_left_is_dot n (M: MX 1 n) x: x '* M == mx_of_scal x * M.
proof: Proof. mx_intros i j Hi Hj. simpl. auto with algebra. Qed.
imports: ATBR(Common) ATBR(Classes) ATBR(Graph) ATBR(Monoid) ATBR(SemiLattice) ATBR(SemiRing) ATBR(MxGraph) ATBR(MxSemiLattice) ATBR(BoolView)