Consider the following premises. S_7(a_7) -> u_4. p_10 <-> u_4. forall x_7: W(x_7) <-> S_7(x_7). ~p_10. Can we infer forall x_7: W(x_7) <-> S_7(x_7) from them? If possible, name the inference rules being used at each step.
That is one of the premises. Therefore, the answer is yes.