What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall y_1: T(y_1) or ~W(y_1). forall y_1: W(y_1) or ~T(y_1). forall y_1: ~W(y_1).
forall y_1: W(y_1) -> T(y_1). forall y_1: T(y_1) -> W(y_1).