Consider the following premises. p_3. forall x_16: ~R_16(x_16). p_4 -> R_16(d). Can we infer p_4 from them?
 From forall x_16: ~R_16(x_16) we can infer ~R_16(d). Finally, from p_4 -> R_16(d), ~R_16(d) we can infer ~p_4, which contradicts p_4. Therefore, the answer is no.