What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall y: Q(y) -> T_4(y). forall y: ~T_4(y). forall y: T_4(y) -> Q(y).
forall y: ~Q(y). forall y: Q(y) <-> T_4(y). forall y: T_4(y) <-> Q(y).