Consider the following premises. forall x_14: W_4(x_14) -> R_1(x_14). R_1(a_5) or u. forall x_14: R_1(x_14) -> W_4(x_14). forall x_14: R(x_14). forall x_14: W_4(x_14) -> ~R(x_14). Can we infer forall x_14: R(x_14) from them?
That is one of the premises. Therefore, the answer is yes.