Consider the following premises. forall x_5: S(x_5) or R(x_5). forall x_5: S(x_5) -> Q_5(x_5). forall x_5: ~Q_5(x_5). Can we infer ~W(a_3) 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.