What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall z: T(z) -> ~Q_3(z). forall z: Q_3(z). forall z: T(z) <-> P_4(z).
forall z: ~T(z). forall z: T(z) -> P_4(z). forall z: P_4(z) -> T(z).