What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? exists x_7: R(x_7) -> Q_1(x_7). forall x_7: P_7(x_7) or ~P(x_7). forall x_7: Q_1(x_7) -> P(x_7).
exists x_7: R(x_7) -> P(x_7). forall x_7: P(x_7) -> P_7(x_7).