What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Name the inference rule being used: exists x_9: Q(x_9) and Q_9(x_9). forall x_9: ~Q(x_9) or R(x_9).
exists x_9: Q(x_9) can be inferred via the existential simplification rule. exists x_9: Q_9(x_9) can be inferred via the existential simplification rule.