What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? S_8(a_8) -> p_4. p_4 <-> R_8(a_8). forall x_8: R_8(x_8) or S_8(x_8).
p_4 -> R_8(a_8). R_8(a_8) -> p_4.