???? ??????? ????????, ?????? ?????? ???????? ???????????????? ????????? '?? ??'??????.????: ????????????? ??????.(??~ ?????? ???? = ??~ ?????? ????)????, ???????????????????????????? ??????? ????? ???? ???? ???????????????? ???? ?? ????? ?? ?????? ??????????????.?? ???? ???????? ?? ???????? ?? ?? ????. ??, ?????? ??? ?? ?? ?????? ???? ????????????