What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? P_17(j) -> r_3. r or Q_17(j). forall x_17: P_17(x_17) or ~Q_17(x_17). r <-> r_3.
R_1(j) -> r. r -> r_3. r_3 -> r. forall x_17: Q_17(x_17) -> P_17(x_17).