What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? w_2 or R_10(a_10). w_2 -> r_2. forall x_10: R_10(x_10) -> S_10(x_10). r_2 -> S_10(a_10).
w_2 -> S_10(a_10). R_1(a_10) -> w_2.