. .
1. , , - , . , F(X1, X2, X3) = X1× X3.
2. . . n , 2n.
.
3. . - 2k (k = 0, 1, 2,...). , , F(X1, X2, X3). , , 20 = 1, , , 21=2 . . , F(X1, X2, X3) : X3 -1, X2 -2. X1 -4. N
N = 4 × X1 + 2 × X2 + 1 × X3
, , . , , . , , (.4) : F(X,Y,Z) = Ú(0,1,4,7) = Ù(2,3,5,6)
.18. |
4
N | X | Y | Z | F |
4. . n - n - . . . , , . (.18).
5. , . .19 . .20 .
.19. .
.20. .
3.4. .
, , . , ABC , X, Y. (A+B)C, ABC , .
|
|
, , . , A+B+C+D, A+B. AB+C+D, +C, A+ +B .
n F(X1,X2,...,Xn). , n , .
, n , .
, n 2n.
. F(X1,X2,X3) .
: X1X2X3, 1X2X3, X1 2X3, X1X2 3, 1 2X3, 1X2 3, X1 2 3, 1 2 3.
: X1+X2+X3, 1+X2+X3, X1+ 2+X3, X1+X2+ 3, 1+ 2+X3, 1+X2+ 3, X1+ 2+ 3, 1+ 2+ 3.
, . , 1 0 . , 1 2X3 X1 = 0, X2 = 0, X3 = 1.
, , .
F(X1,X2,...,Xn). Km1, Km2,...,Kmi , m1, m2,... mi, .
F(X1,X2,...,Xn) = Km1+Km2+...,+Kmi. (1)
, (1) . , m1, m2,... mi , (1), . , (1) , . (1) , . , (1) . .
, , , , , . , , F=1, - , , - , . - ().
, , .
, , , , . , , F=0, - , , - , . - ().
|
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. , .4. :
F =
C.
.
.. (1869-1947) , , 1.
, . , Km1, Km2,...,Kmi.
F = Km1 Å Km2 Å... Å Kmi. (2)
(1) , 2. , .. m1, m2,..., mi , (2), . 2 :
0 Å 0 Å... Å 0 =0; 0 Å 1 = 1.
(2) (1) .
.
F(X1,X2,...,Xn) = A0 Å A1X1 Å A2X2 Å... Å AnXn Å An1X1X2 Å An2X1X3 Å... Å ÅANX1X2...Xn
A1, A2,... AN , 0 1. , .. Ai=0, AiF=0, Ai=1, AiF=F.
2 , , , = X Å 1,
X Å X Å... Å X = | n , n , |
n - .
. , 3.
F = Å Y Å XY = (1 Å X)(1 Å Y) Å (1 Å X)Y Å XY=
=1 Å X Å Y Å XY Å Y Å XY Å XY = 1 Å X Å XY.