Consider the following premises. forall x_1: T(x_1) -> Q_4(x_1). forall x_1: Q_4(x_1) or ~W(x_1). forall x_1: T(x_1) or W(x_1). Can we infer P_2(j) 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.