What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall z_4: S_1(z_4) -> Q(z_4). exists z_4: Q_1(z_4) or ~Q(z_4). forall z_4: Q_1(z_4) -> S_1(z_4).
forall z_4: Q_1(z_4) -> Q(z_4). exists z_4: Q(z_4) -> Q_1(z_4).