What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? exists x_1: R_4(x_1) -> ~W(x_1). forall x_1: T(x_1) or S_2(x_1). forall x_1: ~S_2(x_1). forall x_1: ~T(x_1) or W(x_1).
forall x_1: S_2(x_1) or W(x_1).