Consider the following premises. forall x_8: P_9(x_8) -> S_8(x_8). q_1 -> S_8(a_9). forall x_9: P_9(x_9). Can we infer forall x_8: P_9(x_8) -> S_8(x_8) from them? If possible, name the inference rules being used at each step.
That is one of the premises. Therefore, the answer is yes.