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:




:

































 

 

 

 





S , ( ) ( ), . , .

.

z= f(x,) , a S , f. S , , [f,f].

 

. .

. ʎ->0 f(x;y) D. D

.

1. f(x;y) D, kf(x;y) D

2. f(x;y) g(x;y) D,

3. f(x;y) g(x;y) D f(x; ) <= g(x; ) D,

4. f(x;y) ,

5. . D D1 D2, , , D=D1 D2, f(x;y) D1 D2, D ,

6. . f(x;y) D, (, ),

 

f(x, ) = {a=<=<b, =<=<d), P

 

G , f G, G f G. , .

G

 

.

f(x,y) G [,b]

. .

:

52. : .

. ʎ->0 f(x;y) D. D





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