What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall x: T_3(x) -> T_4(x). forall x: W(x) or ~T_4(x). exists x: Q_2(x) -> T_3(x).
exists x: Q_2(x) -> T_4(x). forall x: T_4(x) -> W(x).