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) <-> S_3(x_5). forall x_5: ~P_5(x_5).
exists x_5: P_5(x_5) -> S_3(x_5). exists x_5: S_3(x_5) -> P_5(x_5). exists x_5: ~S_3(x_5).