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2.10.

, Q, N , . , , 2.1. , , - (, ).

Q, N .

1. Q, N , . 2.48, .

.

. (2.1) (2.3) .

I.

, , :

II.

, , :

Q, N . 2.48, .

, (2.1) 2.1 ( ). ,

. , , .

. 2.48

. , (. 2.48, ). :

, .

, . , .

2. Q, N , . 2.49, .

, RA ( ), .

.

I.

II.

III.

. 2.49

Q, N . 2.49, .

:

1) , . 2.48 2.49, , 2.1;

2) Q, N , . 2.50;

3) , . 2.51.

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