1996 2 ( ), :,, = = : A BX A B X, A B A B,, : a A B A B ; b A B :, : a, b, A BX= A B X X,,, :,,,,,,, 79
,,,,,,,,,,,,, :,, ;,,,,, ( ),,,, : ( ) ; ( ) ; ( ) ( ) ; ( ) ( A ) ; ( ) ( ),,,,,,, 80
,,,, (,, ) A B X (X, - X - ) : (1),,, ( ) (2),,, ( ) (3),,,,,, ( ) (4),,, ( ) (5),,, ( ) A B, :, X,,,, (2) (4) (1) (3) 81
A B : (6),, ( ) (7),,,, :,? ( ) (8),,, ( ) (9),,,, ( ) A B : : ( ), : (6) (7), A B : (6) A B (10), ( ) (11), ( ) 82 (12), ( ) (13),,
( ) A B X, (14),,?,,?! ( ), A B X,,, A B X (1) (9) :,,,,,, X, (11) (12), (11) (12) (15), ( ), (16),,,, ( ) (17),, ( ) A B X 83
, X, A B X, (16), ; (17),, X, : (18), ( ) (19),,,, ( ) A B X, (20), ( ), (18) (19),, A B X, B X : (21),? ( ) (22),, ( ) 84
(23), ( ) (24)!, ( ) (25),, ( ) (26),,! ( ) A B X, B X, : (21) (22) (24) ( ) A B,, A B,, (21),,,,,, (A ), ( ),,, ( ),,?, (22) (24) (25), B X,,,,, (27)?,, ( ) 85
A B X (28) ( ) (29) ( :?,, )?!! ( ) (30),,,,,,, ( ) (31),,,,,, ( ) A B X, B X : ( ), ( (28) ) A B,, ( ) : A,, A, A B X ( ) : (29),, A B X ;, A B (31), A B ( ) A g B - X A, : 86
( )A, A g B - X (X, ) : (32),, ( ) (33),,,,!, ( ) (34) :, : : ( ) (35),, ( ) (36),,, ( ) (37), ( ) (38),,,, ( ) (39),,, ( ) (40),,, ( ) (41),,, ( ) (42),, ( ) (, ) 87
(43),,,,,, ( ) ( :, ( ) (44),, ( ) (45), :,! ( ) X, (41) (42), ( X, ) : A B ; A B - X (41) (45)X,,, (36) : (32) (33) (37) (42) (43), (33), (32) (37) (42) (43) (34) (35) (38) (39) (40) (41) (44) (45), (34) (35) (38) (40) (41), (39) (44),,,, : 88 (46) :,,, ;,, (
) ( )A, X, A g B - X, X, A B - X : (47),, ( ) (48) ( ) (49), ( ) (50),,? ( ) (51),,,,,, ( ) (52),,,,,, ( ) X g (53),,,,, ( ) (54),,,, ( ) 89
(55),,, ( ) A X (47) (49), : ( ), A,, ( ) A, A : (56) ( ) (57) ( ),,, B, : (58), ( ) (59) ( ) A B, A A B X : 90
( ),, A B X A, : 1 A, : (60) ( ) (61)? ( ) (62),,? ( ) (63),,? ( ) (64),? ( ),,, : (65) :!? ( ) : (66) :,???! ( ) 2 A (67), :, 91
? ( ) (68), ( ) (69),,,,,, ( ) ( ) ( ) P, g Q : (70),,, ( ) (71),,, ( ) ( ) P, g Q, (18) (19), A B X,, (18) (19), A B : (70),, (71) :,,,,,, 92 A B X : (72) :,,, ( )
(73) ( ) (74),,, ( ) (75), ( ) (76), ( ), A B X,, A B X,,,, X A B X,, (76) ; X,, (75),, A B A B A B,, X, : (77),, ( ) (78),,, ( ) (79)!, ( ) (80),,, ( ) 93
(81), ( ) (82), ( ) A B (78) (79) (80) (82) (77) (81), (77) (81) g,,,, : A B X; A B X, B X; A g B X A B X (A ) ; A B X ( ) ; A B X; A B,,,,, A B,,,,,,,,,,,,,, : 94
( ),,,,,,, ( ), 62, 1980 532-533, 1983 1980, 1983, 1992, 3 ( 351100) : 95