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(x_5) <-> W_2(x_5). forall x_5: Q_2(x_5) -> P(x_5). forall x_5: W_2(x_5) or Q_2(x_5).
exists x_5: P(x_5) -> W_2(x_5). exists x_5: W_2(x_5) -> P(x_5).