What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? exists x_10: R_4(x_10) -> U(x_10). forall x_10: R_1(x_10) -> U(x_10). forall x_10: T(x_10). forall x_10: R_1(x_10) or R_4(x_10).
exists x_10: U(x_10).