What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall x_5: ~R_5(x_5). forall x_5: Q_5(x_5) -> R_5(x_5). forall x_5: Q_4(x_5) -> Q_5(x_5). exists x_5: Q_4(x_5) or Q(x_5).
forall x_5: ~Q_5(x_5). forall x_5: Q_4(x_5) -> R_5(x_5).