. , , .
():
():
, () , (1.5) () . ,
.
, , , . .
, ( ). () ( ) . () ( ) .
, . , . .
F .1.1. 2, 7, 8 F (. . F=1), : z=1.
1.1
X | Y | Z | F | |
, , . , . . : . (1.9)
, , , . , .1.1 (F =0 F = 1),
(1.10)
, :
|
|
(1.11)
(1.11) , . . , .