. 10 .
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>> 10 .

18.

,

18.3.

, D . . , : = 1 = 0.

: . . = 1.

: = 1, = 1, = 0, D = 0.

, . , , .

3. ,

, . , :

= 1, = 1 = 0. D , (0 1). , .

, ( ).

?

4. , 1 & 23 & 4 = 1.

. t1 = 1 & 2, t2 = 3 & 4. : t1 ↔ t2 = 1.

t1 , 0 1. 0 , (1) (0). . , t1 t2y t1 ↔ t2 = 1.

t1 t2 : 00, 01, 11. 1 & 2, 3 & 4. : 1 2 , 1 & 2 = 0, , 0 . 0 .

. , n , m , (, ) n m .

, 00 3 3 = 9 .

01, 0 , 1 (x3 & 4 = 1 x3 = 1 x4 = 1). , 1, 2, 3, 4, .

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