What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? ~p_17. w -> u_3. q_17 <-> u_3. p_17 <-> q_17.
q_17 -> u_3. p_17 -> q_17. u_3 -> q_17. q_17 -> p_17. ~q_17.