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(x_5) -> U_3(x_5). exists x_5: U_3(x_5). forall x_5: U_3(x_5) -> P(x_5).
exists x_5: P(x_5). forall x_5: P(x_5) <-> U_3(x_5). forall x_5: U_3(x_5) <-> P(x_5).