What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Name the inference rule being used: forall x_14: P_14(x_14) or Q_14(x_14). forall x_14: T_4(x_14) -> ~R_14(x_14). forall x_14: Q_14(x_14) -> R_14(x_14). forall x_14: T_4(x_14) or ~S(x_14). forall x_14: P_14(x_14) -> R_14(x_14). exists x_14: T_4(x_14) -> S(x_14).
forall x_14: S(x_14) -> T_4(x_14) can be inferred via the universal rewriting rule. forall x_14: R_14(x_14) can be inferred via the universal disjunction elimination rule.