Таблица истинности для функции (¬B∧A)≡(A∧¬B)∧X∧O∧R∧B:


Промежуточные таблицы истинности:
¬B:
B¬B
01
10

(¬B)∧A:
BA¬B(¬B)∧A
0010
0111
1000
1100

A∧(¬B):
AB¬BA∧(¬B)
0010
0100
1011
1100

(A∧(¬B))∧X:
ABX¬BA∧(¬B)(A∧(¬B))∧X
000100
001100
010000
011000
100110
101111
110000
111000

((A∧(¬B))∧X)∧O:
ABXO¬BA∧(¬B)(A∧(¬B))∧X((A∧(¬B))∧X)∧O
00001000
00011000
00101000
00111000
01000000
01010000
01100000
01110000
10001100
10011100
10101110
10111111
11000000
11010000
11100000
11110000

(((A∧(¬B))∧X)∧O)∧R:
ABXOR¬BA∧(¬B)(A∧(¬B))∧X((A∧(¬B))∧X)∧O(((A∧(¬B))∧X)∧O)∧R
0000010000
0000110000
0001010000
0001110000
0010010000
0010110000
0011010000
0011110000
0100000000
0100100000
0101000000
0101100000
0110000000
0110100000
0111000000
0111100000
1000011000
1000111000
1001011000
1001111000
1010011100
1010111100
1011011110
1011111111
1100000000
1100100000
1101000000
1101100000
1110000000
1110100000
1111000000
1111100000

((((A∧(¬B))∧X)∧O)∧R)∧B:
ABXOR¬BA∧(¬B)(A∧(¬B))∧X((A∧(¬B))∧X)∧O(((A∧(¬B))∧X)∧O)∧R((((A∧(¬B))∧X)∧O)∧R)∧B
00000100000
00001100000
00010100000
00011100000
00100100000
00101100000
00110100000
00111100000
01000000000
01001000000
01010000000
01011000000
01100000000
01101000000
01110000000
01111000000
10000110000
10001110000
10010110000
10011110000
10100111000
10101111000
10110111100
10111111110
11000000000
11001000000
11010000000
11011000000
11100000000
11101000000
11110000000
11111000000

((¬B)∧A)≡(((((A∧(¬B))∧X)∧O)∧R)∧B):
BAXOR¬B(¬B)∧A¬BA∧(¬B)(A∧(¬B))∧X((A∧(¬B))∧X)∧O(((A∧(¬B))∧X)∧O)∧R((((A∧(¬B))∧X)∧O)∧R)∧B((¬B)∧A)≡(((((A∧(¬B))∧X)∧O)∧R)∧B)
00000101000001
00001101000001
00010101000001
00011101000001
00100101000001
00101101000001
00110101000001
00111101000001
01000111100000
01001111100000
01010111100000
01011111100000
01100111110000
01101111110000
01110111111000
01111111111100
10000000000001
10001000000001
10010000000001
10011000000001
10100000000001
10101000000001
10110000000001
10111000000001
11000000000001
11001000000001
11010000000001
11011000000001
11100000000001
11101000000001
11110000000001
11111000000001

Общая таблица истинности:

BAXOR¬B(¬B)∧AA∧(¬B)(A∧(¬B))∧X((A∧(¬B))∧X)∧O(((A∧(¬B))∧X)∧O)∧R((((A∧(¬B))∧X)∧O)∧R)∧B(¬B∧A)≡(A∧¬B)∧X∧O∧R∧B
0000010000001
0000110000001
0001010000001
0001110000001
0010010000001
0010110000001
0011010000001
0011110000001
0100011100000
0100111100000
0101011100000
0101111100000
0110011110000
0110111110000
0111011111000
0111111111100
1000000000001
1000100000001
1001000000001
1001100000001
1010000000001
1010100000001
1011000000001
1011100000001
1100000000001
1100100000001
1101000000001
1101100000001
1110000000001
1110100000001
1111000000001
1111100000001

Логическая схема:

Совершенная дизъюнктивная нормальная форма (СДНФ):

По таблице истинности:
BAXORF
000001
000011
000101
000111
001001
001011
001101
001111
010000
010010
010100
010110
011000
011010
011100
011110
100001
100011
100101
100111
101001
101011
101101
101111
110001
110011
110101
110111
111001
111011
111101
111111
Fсднф = ¬B∧¬A∧¬X∧¬O∧¬R ∨ ¬B∧¬A∧¬X∧¬O∧R ∨ ¬B∧¬A∧¬X∧O∧¬R ∨ ¬B∧¬A∧¬X∧O∧R ∨ ¬B∧¬A∧X∧¬O∧¬R ∨ ¬B∧¬A∧X∧¬O∧R ∨ ¬B∧¬A∧X∧O∧¬R ∨ ¬B∧¬A∧X∧O∧R ∨ B∧¬A∧¬X∧¬O∧¬R ∨ B∧¬A∧¬X∧¬O∧R ∨ B∧¬A∧¬X∧O∧¬R ∨ B∧¬A∧¬X∧O∧R ∨ B∧¬A∧X∧¬O∧¬R ∨ B∧¬A∧X∧¬O∧R ∨ B∧¬A∧X∧O∧¬R ∨ B∧¬A∧X∧O∧R ∨ B∧A∧¬X∧¬O∧¬R ∨ B∧A∧¬X∧¬O∧R ∨ B∧A∧¬X∧O∧¬R ∨ B∧A∧¬X∧O∧R ∨ B∧A∧X∧¬O∧¬R ∨ B∧A∧X∧¬O∧R ∨ B∧A∧X∧O∧¬R ∨ B∧A∧X∧O∧R
Логическая cхема:

Совершенная конъюнктивная нормальная форма (СКНФ):

По таблице истинности:
BAXORF
000001
000011
000101
000111
001001
001011
001101
001111
010000
010010
010100
010110
011000
011010
011100
011110
100001
100011
100101
100111
101001
101011
101101
101111
110001
110011
110101
110111
111001
111011
111101
111111
Fскнф = (B∨¬A∨X∨O∨R) ∧ (B∨¬A∨X∨O∨¬R) ∧ (B∨¬A∨X∨¬O∨R) ∧ (B∨¬A∨X∨¬O∨¬R) ∧ (B∨¬A∨¬X∨O∨R) ∧ (B∨¬A∨¬X∨O∨¬R) ∧ (B∨¬A∨¬X∨¬O∨R) ∧ (B∨¬A∨¬X∨¬O∨¬R)
Логическая cхема:

Построение полинома Жегалкина:

По таблице истинности функции
BAXORFж
000001
000011
000101
000111
001001
001011
001101
001111
010000
010010
010100
010110
011000
011010
011100
011110
100001
100011
100101
100111
101001
101011
101101
101111
110001
110011
110101
110111
111001
111011
111101
111111

Построим полином Жегалкина:
Fж = C00000 ⊕ C10000∧B ⊕ C01000∧A ⊕ C00100∧X ⊕ C00010∧O ⊕ C00001∧R ⊕ C11000∧B∧A ⊕ C10100∧B∧X ⊕ C10010∧B∧O ⊕ C10001∧B∧R ⊕ C01100∧A∧X ⊕ C01010∧A∧O ⊕ C01001∧A∧R ⊕ C00110∧X∧O ⊕ C00101∧X∧R ⊕ C00011∧O∧R ⊕ C11100∧B∧A∧X ⊕ C11010∧B∧A∧O ⊕ C11001∧B∧A∧R ⊕ C10110∧B∧X∧O ⊕ C10101∧B∧X∧R ⊕ C10011∧B∧O∧R ⊕ C01110∧A∧X∧O ⊕ C01101∧A∧X∧R ⊕ C01011∧A∧O∧R ⊕ C00111∧X∧O∧R ⊕ C11110∧B∧A∧X∧O ⊕ C11101∧B∧A∧X∧R ⊕ C11011∧B∧A∧O∧R ⊕ C10111∧B∧X∧O∧R ⊕ C01111∧A∧X∧O∧R ⊕ C11111∧B∧A∧X∧O∧R

Так как Fж(00000) = 1, то С00000 = 1.

Далее подставляем все остальные наборы в порядке возрастания числа единиц, подставляя вновь полученные значения в следующие формулы:
Fж(10000) = С00000 ⊕ С10000 = 1 => С10000 = 1 ⊕ 1 = 0
Fж(01000) = С00000 ⊕ С01000 = 0 => С01000 = 1 ⊕ 0 = 1
Fж(00100) = С00000 ⊕ С00100 = 1 => С00100 = 1 ⊕ 1 = 0
Fж(00010) = С00000 ⊕ С00010 = 1 => С00010 = 1 ⊕ 1 = 0
Fж(00001) = С00000 ⊕ С00001 = 1 => С00001 = 1 ⊕ 1 = 0
Fж(11000) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С11000 = 1 => С11000 = 1 ⊕ 0 ⊕ 1 ⊕ 1 = 1
Fж(10100) = С00000 ⊕ С10000 ⊕ С00100 ⊕ С10100 = 1 => С10100 = 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(10010) = С00000 ⊕ С10000 ⊕ С00010 ⊕ С10010 = 1 => С10010 = 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(10001) = С00000 ⊕ С10000 ⊕ С00001 ⊕ С10001 = 1 => С10001 = 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(01100) = С00000 ⊕ С01000 ⊕ С00100 ⊕ С01100 = 0 => С01100 = 1 ⊕ 1 ⊕ 0 ⊕ 0 = 0
Fж(01010) = С00000 ⊕ С01000 ⊕ С00010 ⊕ С01010 = 0 => С01010 = 1 ⊕ 1 ⊕ 0 ⊕ 0 = 0
Fж(01001) = С00000 ⊕ С01000 ⊕ С00001 ⊕ С01001 = 0 => С01001 = 1 ⊕ 1 ⊕ 0 ⊕ 0 = 0
Fж(00110) = С00000 ⊕ С00100 ⊕ С00010 ⊕ С00110 = 1 => С00110 = 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(00101) = С00000 ⊕ С00100 ⊕ С00001 ⊕ С00101 = 1 => С00101 = 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(00011) = С00000 ⊕ С00010 ⊕ С00001 ⊕ С00011 = 1 => С00011 = 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(11100) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00100 ⊕ С11000 ⊕ С10100 ⊕ С01100 ⊕ С11100 = 1 => С11100 = 1 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(11010) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00010 ⊕ С11000 ⊕ С10010 ⊕ С01010 ⊕ С11010 = 1 => С11010 = 1 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(11001) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00001 ⊕ С11000 ⊕ С10001 ⊕ С01001 ⊕ С11001 = 1 => С11001 = 1 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(10110) = С00000 ⊕ С10000 ⊕ С00100 ⊕ С00010 ⊕ С10100 ⊕ С10010 ⊕ С00110 ⊕ С10110 = 1 => С10110 = 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(10101) = С00000 ⊕ С10000 ⊕ С00100 ⊕ С00001 ⊕ С10100 ⊕ С10001 ⊕ С00101 ⊕ С10101 = 1 => С10101 = 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(10011) = С00000 ⊕ С10000 ⊕ С00010 ⊕ С00001 ⊕ С10010 ⊕ С10001 ⊕ С00011 ⊕ С10011 = 1 => С10011 = 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(01110) = С00000 ⊕ С01000 ⊕ С00100 ⊕ С00010 ⊕ С01100 ⊕ С01010 ⊕ С00110 ⊕ С01110 = 0 => С01110 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(01101) = С00000 ⊕ С01000 ⊕ С00100 ⊕ С00001 ⊕ С01100 ⊕ С01001 ⊕ С00101 ⊕ С01101 = 0 => С01101 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(01011) = С00000 ⊕ С01000 ⊕ С00010 ⊕ С00001 ⊕ С01010 ⊕ С01001 ⊕ С00011 ⊕ С01011 = 0 => С01011 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(00111) = С00000 ⊕ С00100 ⊕ С00010 ⊕ С00001 ⊕ С00110 ⊕ С00101 ⊕ С00011 ⊕ С00111 = 1 => С00111 = 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(11110) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00100 ⊕ С00010 ⊕ С11000 ⊕ С10100 ⊕ С10010 ⊕ С01100 ⊕ С01010 ⊕ С00110 ⊕ С11100 ⊕ С11010 ⊕ С10110 ⊕ С01110 ⊕ С11110 = 1 => С11110 = 1 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(11101) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00100 ⊕ С00001 ⊕ С11000 ⊕ С10100 ⊕ С10001 ⊕ С01100 ⊕ С01001 ⊕ С00101 ⊕ С11100 ⊕ С11001 ⊕ С10101 ⊕ С01101 ⊕ С11101 = 1 => С11101 = 1 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(11011) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00010 ⊕ С00001 ⊕ С11000 ⊕ С10010 ⊕ С10001 ⊕ С01010 ⊕ С01001 ⊕ С00011 ⊕ С11010 ⊕ С11001 ⊕ С10011 ⊕ С01011 ⊕ С11011 = 1 => С11011 = 1 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(10111) = С00000 ⊕ С10000 ⊕ С00100 ⊕ С00010 ⊕ С00001 ⊕ С10100 ⊕ С10010 ⊕ С10001 ⊕ С00110 ⊕ С00101 ⊕ С00011 ⊕ С10110 ⊕ С10101 ⊕ С10011 ⊕ С00111 ⊕ С10111 = 1 => С10111 = 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(01111) = С00000 ⊕ С01000 ⊕ С00100 ⊕ С00010 ⊕ С00001 ⊕ С01100 ⊕ С01010 ⊕ С01001 ⊕ С00110 ⊕ С00101 ⊕ С00011 ⊕ С01110 ⊕ С01101 ⊕ С01011 ⊕ С00111 ⊕ С01111 = 0 => С01111 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(11111) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00100 ⊕ С00010 ⊕ С00001 ⊕ С11000 ⊕ С10100 ⊕ С10010 ⊕ С10001 ⊕ С01100 ⊕ С01010 ⊕ С01001 ⊕ С00110 ⊕ С00101 ⊕ С00011 ⊕ С11100 ⊕ С11010 ⊕ С11001 ⊕ С10110 ⊕ С10101 ⊕ С10011 ⊕ С01110 ⊕ С01101 ⊕ С01011 ⊕ С00111 ⊕ С11110 ⊕ С11101 ⊕ С11011 ⊕ С10111 ⊕ С01111 ⊕ С11111 = 1 => С11111 = 1 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0

Таким образом, полином Жегалкина будет равен:
Fж = 1 ⊕ A ⊕ B∧A
Логическая схема, соответствующая полиному Жегалкина:

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