, , , , () .
.13.22. ?
(..13.22) :
1) ( );
2) - ;
3) ( , );
4) ;
5) ;
6) .
..13.22. , |
.13.23. ? ?
h
g - .
, s x = 0, s z =g h. (..13.23).
..13.23. s x s z |
.13.24. ?
j.
.13.25. ? ?
..13.25 t n s n .
.13.26. " " ?
" " , , , " ", . .
.14.1. ?
, , .