What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall x_7: Q(x_7) <-> S_7(x_7). ~r_3. Q(a_7) <-> r_3.
Q(a_7) -> r_3. r_3 -> Q(a_7). ~Q(a_7). forall x_7: Q(x_7) -> S_7(x_7). forall x_7: S_7(x_7) -> Q(x_7).