Consider the following premises. forall x_11: P_11(x_11) -> W(x_11). forall x_11: P_11(x_11) or ~W(x_11). exists x_11: W(x_11) -> P_11(x_11). Can we infer forall x_11: P_11(x_11) or ~W(x_11) from them? If possible, name the inference rules being used at each step.
That is one of the premises. Therefore, the answer is yes.