What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? u_3 <-> S_10(a_10). ~u_3. forall x_10: R_10(x_10) -> S_10(x_10).
u_3 -> S_10(a_10). S_10(a_10) -> u_3. ~S_10(a_10).