Таблица истинности для функции ¬(A∧V∧B)→¬(C⊕D)∧(A∧V∧C):


Промежуточные таблицы истинности:
A∧V:
AVA∧V
000
010
100
111

(A∧V)∧B:
AVBA∧V(A∧V)∧B
00000
00100
01000
01100
10000
10100
11010
11111

C⊕D:
CDC⊕D
000
011
101
110

(A∧V)∧C:
AVCA∧V(A∧V)∧C
00000
00100
01000
01100
10000
10100
11010
11111

¬((A∧V)∧B):
AVBA∧V(A∧V)∧B¬((A∧V)∧B)
000001
001001
010001
011001
100001
101001
110101
111110

¬(C⊕D):
CDC⊕D¬(C⊕D)
0001
0110
1010
1101

(¬(C⊕D))∧((A∧V)∧C):
CDAVC⊕D¬(C⊕D)A∧V(A∧V)∧C(¬(C⊕D))∧((A∧V)∧C)
000001000
000101000
001001000
001101100
010010000
010110000
011010000
011110100
100010000
100110000
101010000
101110110
110001000
110101000
111001000
111101111

(¬((A∧V)∧B))→((¬(C⊕D))∧((A∧V)∧C)):
AVBCDA∧V(A∧V)∧B¬((A∧V)∧B)C⊕D¬(C⊕D)A∧V(A∧V)∧C(¬(C⊕D))∧((A∧V)∧C)(¬((A∧V)∧B))→((¬(C⊕D))∧((A∧V)∧C))
00000001010000
00001001100000
00010001100000
00011001010000
00100001010000
00101001100000
00110001100000
00111001010000
01000001010000
01001001100000
01010001100000
01011001010000
01100001010000
01101001100000
01110001100000
01111001010000
10000001010000
10001001100000
10010001100000
10011001010000
10100001010000
10101001100000
10110001100000
10111001010000
11000101011000
11001101101000
11010101101100
11011101011111
11100110011001
11101110101001
11110110101101
11111110011111

Общая таблица истинности:

AVBCDA∧V(A∧V)∧BC⊕D(A∧V)∧C¬((A∧V)∧B)¬(C⊕D)(¬(C⊕D))∧((A∧V)∧C)¬(A∧V∧B)→¬(C⊕D)∧(A∧V∧C)
0000000001100
0000100101000
0001000101000
0001100001100
0010000001100
0010100101000
0011000101000
0011100001100
0100000001100
0100100101000
0101000101000
0101100001100
0110000001100
0110100101000
0111000101000
0111100001100
1000000001100
1000100101000
1001000101000
1001100001100
1010000001100
1010100101000
1011000101000
1011100001100
1100010001100
1100110101000
1101010111000
1101110011111
1110011000101
1110111100001
1111011110001
1111111010111

Логическая схема:

Совершенная дизъюнктивная нормальная форма (СДНФ):

По таблице истинности:
AVBCDF
000000
000010
000100
000110
001000
001010
001100
001110
010000
010010
010100
010110
011000
011010
011100
011110
100000
100010
100100
100110
101000
101010
101100
101110
110000
110010
110100
110111
111001
111011
111101
111111
Fсднф = A∧V∧¬B∧C∧D ∨ A∧V∧B∧¬C∧¬D ∨ A∧V∧B∧¬C∧D ∨ A∧V∧B∧C∧¬D ∨ A∧V∧B∧C∧D
Логическая cхема:

Совершенная конъюнктивная нормальная форма (СКНФ):

По таблице истинности:
AVBCDF
000000
000010
000100
000110
001000
001010
001100
001110
010000
010010
010100
010110
011000
011010
011100
011110
100000
100010
100100
100110
101000
101010
101100
101110
110000
110010
110100
110111
111001
111011
111101
111111
Fскнф = (A∨V∨B∨C∨D) ∧ (A∨V∨B∨C∨¬D) ∧ (A∨V∨B∨¬C∨D) ∧ (A∨V∨B∨¬C∨¬D) ∧ (A∨V∨¬B∨C∨D) ∧ (A∨V∨¬B∨C∨¬D) ∧ (A∨V∨¬B∨¬C∨D) ∧ (A∨V∨¬B∨¬C∨¬D) ∧ (A∨¬V∨B∨C∨D) ∧ (A∨¬V∨B∨C∨¬D) ∧ (A∨¬V∨B∨¬C∨D) ∧ (A∨¬V∨B∨¬C∨¬D) ∧ (A∨¬V∨¬B∨C∨D) ∧ (A∨¬V∨¬B∨C∨¬D) ∧ (A∨¬V∨¬B∨¬C∨D) ∧ (A∨¬V∨¬B∨¬C∨¬D) ∧ (¬A∨V∨B∨C∨D) ∧ (¬A∨V∨B∨C∨¬D) ∧ (¬A∨V∨B∨¬C∨D) ∧ (¬A∨V∨B∨¬C∨¬D) ∧ (¬A∨V∨¬B∨C∨D) ∧ (¬A∨V∨¬B∨C∨¬D) ∧ (¬A∨V∨¬B∨¬C∨D) ∧ (¬A∨V∨¬B∨¬C∨¬D) ∧ (¬A∨¬V∨B∨C∨D) ∧ (¬A∨¬V∨B∨C∨¬D) ∧ (¬A∨¬V∨B∨¬C∨D)
Логическая cхема:

Построение полинома Жегалкина:

По таблице истинности функции
AVBCDFж
000000
000010
000100
000110
001000
001010
001100
001110
010000
010010
010100
010110
011000
011010
011100
011110
100000
100010
100100
100110
101000
101010
101100
101110
110000
110010
110100
110111
111001
111011
111101
111111

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

Так как Fж(00000) = 0, то С00000 = 0.

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

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

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