proposition: Remark del_trans_sigma_inc : sigma_ctrl_inc s0 (bm (delete_trans c0 s1)) = sigma_ctrl_inc s0 (bm c0).
proof: Proof. intros; unfold sigma_ctrl_inc in |- *. apply sigma_simpl; intros; apply del_trans_ctrl_inc. Qed.
imports: init table_act mess_act