. , , : , . , , : (>), (<).
< , a,b,c k,l,m x,y,z, : akx, bly, cmz. {a,k,x}, {b,l,y}, {c,m,z} , . {a,b,c}, {k,l,m}, {x,y,z} , . {a,b,c} 1, {k,l,m} 2, {x,y,z} 3. {a,k,x} 1, {b,l,y} 2, {c,m,z} 3. . , a z, , , .
{a,k} ( ) {k,x} ( ) a. , (), (, {a,c}, {b,c} {k,l}, {l,m}) , (), (, {a,b}, {k,l}) -. (, {a,l,z}, {a,b,z}, {x,y,m} ).
, , , , , . , .
. . . , , , . . , . , , .
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- »-: 1) , 2) , ; 3) ; 4) , . , .
: , »- . , , »-, . »- , »- , »-.
> , . , .
a | b | c | |
k | l | m | |
x | y | z |
, , a : a (1,1), b (1,2), c (1,3), k (2,1), l (2,2), m (2,3), x (3,1), y (3,2), z (3,3). : , a z (1,1;3,3). , ( akx, bly, cmz), (, , ) , , , .
< .
, / . .
. ( ), ( ), .
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, 1 1. -: a l ( 1 1); k y ( 1 1); a z ( 2 2).
, () - , (). ( ).
(i, r, e) , .
(i, r, e) , , , . , , .. .
, , : [O1(a1);O2(b1)]i(O'1(a'1);O'2(b'1)). .
? . , . 3- . : 1) ; 2) ; 3) , 3- .
> , ( ) [128]. 0 1, , . , , , . ( 7 11) , . , , , . :
1) [O1(a1);O2(b1)]i(2;1,2)(O1(a'1);O2(b'1)) (2;) (;1,2) .
2) [O1(a1);O2(b1)]i(1,2;1)(O'1(a'1);O2(b1)) (1,2;) (;1) .
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3) [O1(a1);O2(b1)]i(2;2)(O1(a1);O'2(b'1)) (2;) (;2) .
4) [O1(a1);O2(b1)]i(1;1)(1;2)(2;1)(2;2)(O'1(a'1);O'2(b'1)) (1;) (;1), (1;) (;2), (2;) (;1), (2;) (;2) .
< , , .
, , . , .
, , . , : > [(1,1)(2,1);(1,2)(2,2)]i(2;1,2)((1,1)(2,1);(1,2)(2,2)).
< , , . - , , , , .. , .
.