What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall x_5: P_5(x_5) <-> S(x_5). P_5(g_3).
exists x: P_5(x). forall x_5: P_5(x_5) -> S(x_5). forall x_5: S(x_5) -> P_5(x_5).