What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? exists y: T(y) -> T_2(y). forall y: T_2(y) -> W(y). forall y: W(y) -> T(y).
forall y: T_2(y) -> T(y). exists y: T(y) -> W(y). exists y: W(y) -> T_2(y).