. :
1¥f & f01
1¥ & 01 (3.1)
, :
1(¥f & f0)
1(¥ & 0) (3.2)
, , , . . :
{¥f & f0}{¥f & f0}
{0f & f¥}{¥f & f0}
{¥f & f0}{0f & f¥}
{0f & f¥}{0f & f¥} (3.3)
. . , , , :
{¥ & 0}{¥ & 0}
{0 & ¥}{¥ & 0}
{¥ & 0}{0 & ¥}
{0 & ¥}{0 & ¥} (3.4)
(3.3) (3.4) , , , . ? :
0f º f¥
0 º ¥ (3.5)
: (3.3) (3.4). ? , (3.3) (3.4) . . ¾ (noeroi), . . (3.4), , . , , . . AS . ¾ (noetoi), , . (3.3). , f & f. : ? , . , , - [4]. AS ? 0ff0, 0f f¥, ¥ff0 ¥ff¥ ? ¾ ! AS , , 0ff0, 0ff¥, ¥ff0 ¥ff¥ . , . . f AS, AS , AS. , .
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