What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall z_3: ~R(z_3) or R_2(z_3). ~T_4(a). forall z_3: R(z_3) or T_4(z_3).
forall z_3: T_4(z_3) or R_2(z_3).