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6 VI .

, .

1. > 1, , .

. , , , , , 1 = . , , :

.

, , , (. 6 VI), 1 = ( +1) = + . , = .

, ,

) = > 1;

) a 1 = = 1;

) a 0 = 0 = 0.

- . . . = { , , } = { , }. , .

(, ), (, ),

(, ), (, ),

(, ), (, ).

, . . , 2 + 2 + 2 = 6. n () = 3, n () = 2, 3 2 = 6. , .

2. . , n ( × ) = n () n ().

. = { 1, 2,..., q }, = { l, 2, 3,..., k }, k > l. × :

( 1, l), ( 1, 2), ( 1, 3),..., ( 1, k),

( 2, 1), ( 2, 2), ( 2, 3),..., ( 2, k)

(q, 1), (q, 2), (q, 3),..., (q, k).

k, .. (a 1, i), 1 ≤ ik .. q k. .

q , k, k q. , n ( × ) = k q = n () n (). k = 1, q 1 = q.

k = 0 = Æ, q 0 = 0.

:

1. . (" a, Î N 0)[ a = ].
× ~ × , n ( × ) = n ( × ).

2. . (" a, , Î N 0) [(a ) = ( )].

( × ) × ~ × ( × ) Þ n (( × ) × ) = n ( × ( × )).

3. .
(" a, , Î N 0) [( + ) = + ].

(A B) × C ~ (A × C) (B × C),

n ((A B) × C) = n ((A × C) (B × C)).





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