.


:




:

































 

 

 

 


.

(7.49)

, (, , , ). (7.49)

(7.50)

.

(7.51)

.

, (7.50) (7.49) ,

(7.52)

. , (7.51), ( ),

(7.53)

(7.53) (7.49),

(7.54)

, , , ( ), . (7.53) (7.52), (7.49).

7.13. ,

(7.55)

.

(7.56)

(7.57)

. (7.55)

(7.58)

(7.58) (7.55) ,

(7.59)

(7.60)

(7.61)

(7.58)

(7.62)

, (. (7.52)),

(7.63)

(7.63) ,

,

(7.64)

:

, . , (7.49)

(7.65)

,

(7.66)

(7.65) (7.49). ,

(7.67)

(7.66)

(7.68)

(7.66), (7.68). , (7.65), (7.49).

7.14.

, (7.69)

.

. , (7.69)

(7.70)

(7.66)

(7.71)

,

(7.72)

. (7.72) (7.70),

(7.73)

(7.74)

. , (7.69)

(7.75)

.

:

.

(7.76)

, , ( , ).

(7.77)

,

(7.76) (7.76), . , .

7.15.

(7.78)

. (7.78) ,

(7.79)

(, )

(7.80)

(7.81)

(7.82)

. (7.80)

(7.83)

(7.83) (7.80) ,

(7.84)

(7.85)

(7.86)

(7.83), (7.52) (7.79), (7.78)

(7.87)

. , (7.87)

:

7.16. , , , ,

, , , , , . ,

(7.88)

.

(7.89)

. (7.88) (7.88) (. 7.1.4)

(7.90)

(7.90) 7.2 (7.90).

:



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