What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall y: W_3(y) -> S(y). forall y: W_3(y) or ~S_3(y). forall y: S(y) -> S_3(y).
forall y: W_3(y) -> S_3(y). forall y: S_3(y) -> W_3(y).