What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall x_5: Q_1(x_5) -> P_5(x_5). forall x_5: P_5(x_5) or ~U(x_5). exists x_5: U(x_5).
forall x_5: U(x_5) -> P_5(x_5).