What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? s. ~q_22. p_22 <-> q_22. p <-> ~p_22.
s and ~q_22. ~q_22 and s. p_22 -> q_22. p -> ~p_22. q_22 -> p_22. ~p_22 -> p. ~p_22.