, :
Ú Ú z Ù y .
:
0 Ú 1 Ú 0 Ù 0 1.
, , , . , , .
12.2. , 1, x, y, z, .
: , , , , : x Ù ( Ú Ú z Ù y ) Ù y. , , . , , Ù y, , , y, . , x x y:
(x = 1, y = 1; x = 1, y = 0; x = 0, y = 0).
:
x Ù ( Ú Ú z Ù y ).
, .
: x = 1, y = 1. , . x y , :
0 Ú 0 Ú z Ù 1 .
. -, , . -, , . , , , - . , , z = 1.
, , : = 1, y = 1, z = 1; = 1, y = 1, z = 0.
, , :
1) x = 0, y = 0, z = 0;
2) x = 0, y = 0, z = 1.
. (. . 12.1) Y:
Y = x Ù ( Ú Ú z Ù y ) Ú Ù y.
12.1
x | y | z | Y |
0 | 0 | 0 | 0 |
1 | 0 | 0 | 1 |
0 | 1 | 0 | 1 |
1 | 1 | 0 | 0 |
0 | 0 | 1 | 0 |
1 | 0 | 1 | 1 |
0 | 1 | 1 | 1 |
1 | 1 | 1 | 0 |
12.2.
.
():
|
|
x Ú y = y Ú x; x Ù y = y Ù x. (1.1)
():
(x Ú y) Ú z = x Ú (y Ú z) = x Ú y Ú z;
(x Ù y) Ù z = x Ù (y Ù z) = x Ù y Ù z. (1.2)
():
x Ú (y Ù z) = (x Ú y) Ù (x Ú z); x Ù (y Ú z) = (x Ù y) Ú (x Ù z).(1.3)
:
= Ù ; = Ú . (1.4)
:
= . (1.5)
:
Ú = ; Ù = . (1.6)
:
x Ú 0 = x; x Ú 1 = 1; x Ú = 1;
x Ù 0 = 0; x Ù 1 = x; x Ù = 0. (1.7)
:
x Ú (x Ù y) = x; x Ù (x Ú y) = x. (1.8)
:
(x Ù y) Ú (x Ù ) = x; (x Ú y) Ù (x Ú ) = x. (1.9)
:
x Ú y = ; x Ù y = . (1.10)
:
x y = Ú y, (1.11)
x y = , (1.12)
(x y) Ù (y x) = x y, (1.13)
y = x = x Ú y. (1.14)
.
12.3. :
( Ú ) Ù C = Ù Ú Ù .
. :
12.2
Ú = 1 | 1 Ù = Q1 | |||
0 | 0 | 0 | 0 | 0 |
1 | 0 | 0 | 1 | 0 |
0 | 1 | 0 | 1 | 0 |
1 | 1 | 0 | 1 | 0 |
0 | 0 | 1 | 0 | 0 |
1 | 0 | 1 | 1 | 1 |
0 | 1 | 1 | 1 | 1 |
1 | 1 | 1 | 1 | 1 |
. 12.2, A, B, C. , . . , , . 1.2 A B. . 1.2 , . .
12.3
Ù = 1 | Ù = 2 | 1 Ú 2 = Q2 | |||
0 | 0 | 0 | 0 | 0 | 0 |
1 | 0 | 0 | 0 | 0 | 0 |
0 | 1 | 0 | 0 | 0 | 0 |
1 | 1 | 0 | 0 | 0 | 0 |
0 | 0 | 1 | 0 | 0 | 0 |
1 | 0 | 1 | 1 | 0 | 1 |
0 | 1 | 1 | 0 | 1 | 1 |
1 | 1 | 1 | 1 | 1 | 1 |
|
|
Q1 Q2 . 12.2.12.3, , , Q1 = Q2, , , .
12.4. X1 X2, :
X1 = Ú Ú Ú Ú Ú ;
X2 = Ú .
: Ù .
. X1. , , :
( Ú ) Ú ( Ú ) Ú ( Ú ).
:
( ( Ú )) Ú ( ( Ú )) Ú ( ( Ú )).
: Ú = 1, X1 :
X1 = Ú Ú .
X1 . :
Ú = ( Ú ) = .
, : X1 = Ú .
, X1 = X2, .
12.3.
.
n n. n n = . n = 3 = 256, n = 5 > 4 . .12.4 :
12.4
Y | x 0 1 | ||
y 0 | 0 0 | 0 | const 0 |
y 1 | 0 1 | x | x |
y 2 | 1 0 | x | |
y 3 | 1 1 | 1 | const 1 |
y 0 = 0 y 3 = 1 ( ).
(. 12.5).
12.5
Y | x 1 0011 x 2 0101 | - | ||
y 0 | 0000 | (x 1 Ú x 2)(x 1 Ú )( Ú x 2)( Ú ) | 0 | const 0 |
y 1 | 0001 | x 1 x 2 (x 1 Ú x 2)(x 1 Ú )( Ú x 2) | x 1 x 2 | |
y 2 | 0010 | x 1 (x 1 Ú x 2)(x 1 Ú )( Ú ) | x 1 x 2 | |
y 3 | 0011 | x 1 Ú x 1 x 2 (x 1 Ú x 2)(x 1 Ú ) | x 1 | x 1 |
y 4 | 0100 | x 2 (x 1 Ú x 2)( Ú x 2)( Ú ) | x 2 x 1 | |
y 5 | 0101 | x 2 Ú x 1 x 2 (x 1 Ú x 2)( Ú x 2) | x 2 | x 2 |
y 6 | 0110 | x 2 Ú x 1 (x 1 Ú x 2)( Ú ) | x 1 Å x 2 | - |
y 7 | 0111 | x 2 Ú x 1 Ú x 1 x 2 (x 1 Ú x 2) | x 1 Ú x 2 | |
y 8 | 1000 | (x 1 Ú )( Ú x 2)( Ú ) | x 1 ¯ x 2 | |
y 9 | 1001 | Ú x 1 x 2 (x 1 Ú )( Ú x 2) | x 1 ~ x 2 | - |
y 10 | 1010 | Ú x 1 (x 1 Ú )( Ú ) | x 2 | |
y 11 | 1011 | Ú x 1 Ú x 1 x 2 (x 1 Ú ) | x 2 x 1 | |
y 12 | 1100 | Ú x 2 ( Ú x 2)( Ú ) | x 1 | |
y 13 | 1101 | Ú x 2 Ú x 1 x 2 ( Ú x 2) | x 1 x 2 | |
y 14 | 1110 | Ú x 2 Ú x 1 ( Ú ) | x 1 ½ x 2 | |
y 15 | 1111 | Ú x 2 Ú x 1 Ú x 1 x 2 | 1 | const 1 |
, . 12.5 . .