What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? exists x_5: P_5(x_5) or Q_5(x_5). forall x_5: ~Q_5(x_5) or R_2(x_5). forall x_5: ~P_5(x_5) or P(x_5). forall x_5: ~P(x_5) or R(x_5).
exists x_5: Q_5(x_5) or P(x_5).