What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? R_16(a_16) <-> q_3. forall x_16: R_16(x_16) and S_16(x_16).
R_16(a_16) -> q_3. q_3 -> R_16(a_16). forall x_16: R_16(x_16). forall x_16: S_16(x_16).