What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall z: P_3(z). forall z: W_3(z) -> T_2(z). forall z: P_3(z) -> T_2(z). exists z: S_1(z) -> ~T_2(z).
forall z: T_2(z).