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