Consider the following premises. forall x_4: T_2(x_4) or Q(x_4). forall x_4: T_2(x_4) <-> Q_4(x_4). forall x_4: ~Q_4(x_4). Can we infer forall x_4: ~Q_4(x_4) from them? If possible, name the inference rules being used at each step.
That is one of the premises. Therefore, the answer is yes.