Consider the following premises. ~q_22. p and w. u or q_13. u <-> q_22. Can we infer q_13 and p from them?
 From u <-> q_22, ~q_22 we can infer ~u. From u or q_13, ~u we can infer q_13. From p and w we can infer p. Finally, from q_13, p we can infer q_13 and p. Therefore, the answer is yes.