Consider the following premises. t_4 or ~p. p or ~t_4. Can we infer t_4 -> p from them? If possible, name the inference rules being used at each step.
 From t_4 or ~p we can infer p -> t_4 via rewriting. Finally, from p or ~t_4 we can infer t_4 -> p via rewriting. Therefore, the answer is yes.