Таблица истинности для функции F≡A∧V∧¬C∧(B∧¬A∧V∧C):


Промежуточные таблицы истинности:
¬A:
A¬A
01
10

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

(B∧(¬A))∧V:
BAV¬AB∧(¬A)(B∧(¬A))∧V
000100
001100
010000
011000
100110
101111
110000
111000

((B∧(¬A))∧V)∧C:
BAVC¬AB∧(¬A)(B∧(¬A))∧V((B∧(¬A))∧V)∧C
00001000
00011000
00101000
00111000
01000000
01010000
01100000
01110000
10001100
10011100
10101110
10111111
11000000
11010000
11100000
11110000

¬C:
C¬C
01
10

A∧V:
AVA∧V
000
010
100
111

(A∧V)∧(¬C):
AVCA∧V¬C(A∧V)∧(¬C)
000010
001000
010010
011000
100010
101000
110111
111100

((A∧V)∧(¬C))∧(((B∧(¬A))∧V)∧C):
AVCBA∧V¬C(A∧V)∧(¬C)¬AB∧(¬A)(B∧(¬A))∧V((B∧(¬A))∧V)∧C((A∧V)∧(¬C))∧(((B∧(¬A))∧V)∧C)
000001010000
000101011000
001000010000
001100011000
010001010000
010101011100
011000010000
011100011110
100001000000
100101000000
101000000000
101100000000
110011100000
110111100000
111010000000
111110000000

F≡(((A∧V)∧(¬C))∧(((B∧(¬A))∧V)∧C)):
FAVCBA∧V¬C(A∧V)∧(¬C)¬AB∧(¬A)(B∧(¬A))∧V((B∧(¬A))∧V)∧C((A∧V)∧(¬C))∧(((B∧(¬A))∧V)∧C)F≡(((A∧V)∧(¬C))∧(((B∧(¬A))∧V)∧C))
00000010100001
00001010110001
00010000100001
00011000110001
00100010100001
00101010111001
00110000100001
00111000111101
01000010000001
01001010000001
01010000000001
01011000000001
01100111000001
01101111000001
01110100000001
01111100000001
10000010100000
10001010110000
10010000100000
10011000110000
10100010100000
10101010111000
10110000100000
10111000111100
11000010000000
11001010000000
11010000000000
11011000000000
11100111000000
11101111000000
11110100000000
11111100000000

Общая таблица истинности:

FAVCB¬AB∧(¬A)(B∧(¬A))∧V((B∧(¬A))∧V)∧C¬CA∧V(A∧V)∧(¬C)((A∧V)∧(¬C))∧(((B∧(¬A))∧V)∧C)F≡A∧V∧¬C∧(B∧¬A∧V∧C)
00000100010001
00001110010001
00010100000001
00011110000001
00100100010001
00101111010001
00110100000001
00111111100001
01000000010001
01001000010001
01010000000001
01011000000001
01100000011101
01101000011101
01110000001001
01111000001001
10000100010000
10001110010000
10010100000000
10011110000000
10100100010000
10101111010000
10110100000000
10111111100000
11000000010000
11001000010000
11010000000000
11011000000000
11100000011100
11101000011100
11110000001000
11111000001000

Логическая схема:

Совершенная дизъюнктивная нормальная форма (СДНФ):

По таблице истинности:
FAVCBF
000001
000011
000101
000111
001001
001011
001101
001111
010001
010011
010101
010111
011001
011011
011101
011111
100000
100010
100100
100110
101000
101010
101100
101110
110000
110010
110100
110110
111000
111010
111100
111110
Fсднф = ¬F∧¬A∧¬V∧¬C∧¬B ∨ ¬F∧¬A∧¬V∧¬C∧B ∨ ¬F∧¬A∧¬V∧C∧¬B ∨ ¬F∧¬A∧¬V∧C∧B ∨ ¬F∧¬A∧V∧¬C∧¬B ∨ ¬F∧¬A∧V∧¬C∧B ∨ ¬F∧¬A∧V∧C∧¬B ∨ ¬F∧¬A∧V∧C∧B ∨ ¬F∧A∧¬V∧¬C∧¬B ∨ ¬F∧A∧¬V∧¬C∧B ∨ ¬F∧A∧¬V∧C∧¬B ∨ ¬F∧A∧¬V∧C∧B ∨ ¬F∧A∧V∧¬C∧¬B ∨ ¬F∧A∧V∧¬C∧B ∨ ¬F∧A∧V∧C∧¬B ∨ ¬F∧A∧V∧C∧B
Логическая cхема:

Совершенная конъюнктивная нормальная форма (СКНФ):

По таблице истинности:
FAVCBF
000001
000011
000101
000111
001001
001011
001101
001111
010001
010011
010101
010111
011001
011011
011101
011111
100000
100010
100100
100110
101000
101010
101100
101110
110000
110010
110100
110110
111000
111010
111100
111110
Fскнф = (¬F∨A∨V∨C∨B) ∧ (¬F∨A∨V∨C∨¬B) ∧ (¬F∨A∨V∨¬C∨B) ∧ (¬F∨A∨V∨¬C∨¬B) ∧ (¬F∨A∨¬V∨C∨B) ∧ (¬F∨A∨¬V∨C∨¬B) ∧ (¬F∨A∨¬V∨¬C∨B) ∧ (¬F∨A∨¬V∨¬C∨¬B) ∧ (¬F∨¬A∨V∨C∨B) ∧ (¬F∨¬A∨V∨C∨¬B) ∧ (¬F∨¬A∨V∨¬C∨B) ∧ (¬F∨¬A∨V∨¬C∨¬B) ∧ (¬F∨¬A∨¬V∨C∨B) ∧ (¬F∨¬A∨¬V∨C∨¬B) ∧ (¬F∨¬A∨¬V∨¬C∨B) ∧ (¬F∨¬A∨¬V∨¬C∨¬B)
Логическая cхема:

Построение полинома Жегалкина:

По таблице истинности функции
FAVCBFж
000001
000011
000101
000111
001001
001011
001101
001111
010001
010011
010101
010111
011001
011011
011101
011111
100000
100010
100100
100110
101000
101010
101100
101110
110000
110010
110100
110110
111000
111010
111100
111110

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

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 = 0 => С10000 = 1 ⊕ 0 = 1
Fж(01000) = С00000 ⊕ С01000 = 1 => С01000 = 1 ⊕ 1 = 0
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 = 0 => С11000 = 1 ⊕ 1 ⊕ 0 ⊕ 0 = 0
Fж(10100) = С00000 ⊕ С10000 ⊕ С00100 ⊕ С10100 = 0 => С10100 = 1 ⊕ 1 ⊕ 0 ⊕ 0 = 0
Fж(10010) = С00000 ⊕ С10000 ⊕ С00010 ⊕ С10010 = 0 => С10010 = 1 ⊕ 1 ⊕ 0 ⊕ 0 = 0
Fж(10001) = С00000 ⊕ С10000 ⊕ С00001 ⊕ С10001 = 0 => С10001 = 1 ⊕ 1 ⊕ 0 ⊕ 0 = 0
Fж(01100) = С00000 ⊕ С01000 ⊕ С00100 ⊕ С01100 = 1 => С01100 = 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(01010) = С00000 ⊕ С01000 ⊕ С00010 ⊕ С01010 = 1 => С01010 = 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(01001) = С00000 ⊕ С01000 ⊕ С00001 ⊕ С01001 = 1 => С01001 = 1 ⊕ 0 ⊕ 0 ⊕ 1 = 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 = 0 => С11100 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(11010) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00010 ⊕ С11000 ⊕ С10010 ⊕ С01010 ⊕ С11010 = 0 => С11010 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(11001) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00001 ⊕ С11000 ⊕ С10001 ⊕ С01001 ⊕ С11001 = 0 => С11001 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(10110) = С00000 ⊕ С10000 ⊕ С00100 ⊕ С00010 ⊕ С10100 ⊕ С10010 ⊕ С00110 ⊕ С10110 = 0 => С10110 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(10101) = С00000 ⊕ С10000 ⊕ С00100 ⊕ С00001 ⊕ С10100 ⊕ С10001 ⊕ С00101 ⊕ С10101 = 0 => С10101 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(10011) = С00000 ⊕ С10000 ⊕ С00010 ⊕ С00001 ⊕ С10010 ⊕ С10001 ⊕ С00011 ⊕ С10011 = 0 => С10011 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(01110) = С00000 ⊕ С01000 ⊕ С00100 ⊕ С00010 ⊕ С01100 ⊕ С01010 ⊕ С00110 ⊕ С01110 = 1 => С01110 = 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(01101) = С00000 ⊕ С01000 ⊕ С00100 ⊕ С00001 ⊕ С01100 ⊕ С01001 ⊕ С00101 ⊕ С01101 = 1 => С01101 = 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(01011) = С00000 ⊕ С01000 ⊕ С00010 ⊕ С00001 ⊕ С01010 ⊕ С01001 ⊕ С00011 ⊕ С01011 = 1 => С01011 = 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 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 = 0 => С11110 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(11101) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00100 ⊕ С00001 ⊕ С11000 ⊕ С10100 ⊕ С10001 ⊕ С01100 ⊕ С01001 ⊕ С00101 ⊕ С11100 ⊕ С11001 ⊕ С10101 ⊕ С01101 ⊕ С11101 = 0 => С11101 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(11011) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00010 ⊕ С00001 ⊕ С11000 ⊕ С10010 ⊕ С10001 ⊕ С01010 ⊕ С01001 ⊕ С00011 ⊕ С11010 ⊕ С11001 ⊕ С10011 ⊕ С01011 ⊕ С11011 = 0 => С11011 = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(10111) = С00000 ⊕ С10000 ⊕ С00100 ⊕ С00010 ⊕ С00001 ⊕ С10100 ⊕ С10010 ⊕ С10001 ⊕ С00110 ⊕ С00101 ⊕ С00011 ⊕ С10110 ⊕ С10101 ⊕ С10011 ⊕ С00111 ⊕ С10111 = 0 => С10111 = 1 ⊕ 1 ⊕ 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 = 1 => С01111 = 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 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 = 0 => С11111 = 1 ⊕ 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 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0

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