public static boolean sortTupleCompareP(Cons x, Cons y) {
    { int n = ((Integer)(Stella.$SORT_TUPLE_COMPARE_INDEX$.get())).intValue();
      java.lang.reflect.Method pred = ((java.lang.reflect.Method)(Stella.$SORT_TUPLE_COMPARE_PREDICATE$.get()));

      return (((Boolean)(edu.isi.stella.javalib.Native.funcall(pred, null, new java.lang.Object [] {x.nth(n), y.nth(n)}))).booleanValue());
    }
  }