Consider the following premises. forall x_7: P_7(x_7) or Q_3(x_7). forall x_7: P_7(x_7) -> ~Q_7(x_7). forall x_7: Q_7(x_7). Can we infer Q_3(h_1) from them? If possible, name the inference rules being used at each step.
We cannot infer that from the premises. Therefore the answer is no.