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


Промежуточные таблицы истинности:
A→B:
ABA→B
001
011
100
111

C∧D:
CDC∧D
000
010
100
111

(C∧D)∧E:
CDEC∧D(C∧D)∧E
00000
00100
01000
01100
10000
10100
11010
11111

(A→B)→((C∧D)∧E):
ABCDEA→BC∧D(C∧D)∧E(A→B)→((C∧D)∧E)
000001000
000011000
000101000
000111000
001001000
001011000
001101100
001111111
010001000
010011000
010101000
010111000
011001000
011011000
011101100
011111111
100000001
100010001
100100001
100110001
101000001
101010001
101100101
101110111
110001000
110011000
110101000
110111000
111001000
111011000
111101100
111111111

¬B:
B¬B
01
10

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

¬((C∧D)∧E):
CDEC∧D(C∧D)∧E¬((C∧D)∧E)
000001
001001
010001
011001
100001
101001
110101
111110

(A∧(¬B))→(¬((C∧D)∧E)):
ABCDE¬BA∧(¬B)C∧D(C∧D)∧E¬((C∧D)∧E)(A∧(¬B))→(¬((C∧D)∧E))
00000100011
00001100011
00010100011
00011100011
00100100011
00101100011
00110101011
00111101101
01000000011
01001000011
01010000011
01011000011
01100000011
01101000011
01110001011
01111001101
10000110011
10001110011
10010110011
10011110011
10100110011
10101110011
10110111011
10111111100
11000000011
11001000011
11010000011
11011000011
11100000011
11101000011
11110001011
11111001101

C→A:
CAC→A
001
011
100
111

((A→B)→((C∧D)∧E))∧((A∧(¬B))→(¬((C∧D)∧E))):
ABCDEA→BC∧D(C∧D)∧E(A→B)→((C∧D)∧E)¬BA∧(¬B)C∧D(C∧D)∧E¬((C∧D)∧E)(A∧(¬B))→(¬((C∧D)∧E))((A→B)→((C∧D)∧E))∧((A∧(¬B))→(¬((C∧D)∧E)))
0000010001000110
0000110001000110
0001010001000110
0001110001000110
0010010001000110
0010110001000110
0011011001010110
0011111111011011
0100010000000110
0100110000000110
0101010000000110
0101110000000110
0110010000000110
0110110000000110
0111011000010110
0111111110011011
1000000011100111
1000100011100111
1001000011100111
1001100011100111
1010000011100111
1010100011100111
1011001011110111
1011101111111000
1100010000000110
1100110000000110
1101010000000110
1101110000000110
1110010000000110
1110110000000110
1111011000010110
1111111110011011

(((A→B)→((C∧D)∧E))∧((A∧(¬B))→(¬((C∧D)∧E))))∧(C→A):
ABCDEA→BC∧D(C∧D)∧E(A→B)→((C∧D)∧E)¬BA∧(¬B)C∧D(C∧D)∧E¬((C∧D)∧E)(A∧(¬B))→(¬((C∧D)∧E))((A→B)→((C∧D)∧E))∧((A∧(¬B))→(¬((C∧D)∧E)))C→A(((A→B)→((C∧D)∧E))∧((A∧(¬B))→(¬((C∧D)∧E))))∧(C→A)
000001000100011010
000011000100011010
000101000100011010
000111000100011010
001001000100011000
001011000100011000
001101100101011000
001111111101101100
010001000000011010
010011000000011010
010101000000011010
010111000000011010
011001000000011000
011011000000011000
011101100001011000
011111111001101100
100000001110011111
100010001110011111
100100001110011111
100110001110011111
101000001110011111
101010001110011111
101100101111011111
101110111111100010
110001000000011010
110011000000011010
110101000000011010
110111000000011010
111001000000011010
111011000000011010
111101100001011010
111111111001101111

Общая таблица истинности:

ABCDEA→BC∧D(C∧D)∧E(A→B)→((C∧D)∧E)¬BA∧(¬B)¬((C∧D)∧E)(A∧(¬B))→(¬((C∧D)∧E))C→A((A→B)→((C∧D)∧E))∧((A∧(¬B))→(¬((C∧D)∧E)))((A→B)→(C∧D∧E))∧((A∧¬B)→¬(C∧D∧E))∧(C→A)
0000010001011100
0000110001011100
0001010001011100
0001110001011100
0010010001011000
0010110001011000
0011011001011000
0011111111001010
0100010000011100
0100110000011100
0101010000011100
0101110000011100
0110010000011000
0110110000011000
0111011000011000
0111111110001010
1000000011111111
1000100011111111
1001000011111111
1001100011111111
1010000011111111
1010100011111111
1011001011111111
1011101111100100
1100010000011100
1100110000011100
1101010000011100
1101110000011100
1110010000011100
1110110000011100
1111011000011100
1111111110001111

Логическая схема:

Совершенная дизъюнктивная нормальная форма (СДНФ):

По таблице истинности:
ABCDEF
000000
000010
000100
000110
001000
001010
001100
001110
010000
010010
010100
010110
011000
011010
011100
011110
100001
100011
100101
100111
101001
101011
101101
101110
110000
110010
110100
110110
111000
111010
111100
111111
Fсднф = A∧¬B∧¬C∧¬D∧¬E ∨ A∧¬B∧¬C∧¬D∧E ∨ A∧¬B∧¬C∧D∧¬E ∨ A∧¬B∧¬C∧D∧E ∨ A∧¬B∧C∧¬D∧¬E ∨ A∧¬B∧C∧¬D∧E ∨ A∧¬B∧C∧D∧¬E ∨ A∧B∧C∧D∧E
Логическая cхема:

Совершенная конъюнктивная нормальная форма (СКНФ):

По таблице истинности:
ABCDEF
000000
000010
000100
000110
001000
001010
001100
001110
010000
010010
010100
010110
011000
011010
011100
011110
100001
100011
100101
100111
101001
101011
101101
101110
110000
110010
110100
110110
111000
111010
111100
111111
Fскнф = (A∨B∨C∨D∨E) ∧ (A∨B∨C∨D∨¬E) ∧ (A∨B∨C∨¬D∨E) ∧ (A∨B∨C∨¬D∨¬E) ∧ (A∨B∨¬C∨D∨E) ∧ (A∨B∨¬C∨D∨¬E) ∧ (A∨B∨¬C∨¬D∨E) ∧ (A∨B∨¬C∨¬D∨¬E) ∧ (A∨¬B∨C∨D∨E) ∧ (A∨¬B∨C∨D∨¬E) ∧ (A∨¬B∨C∨¬D∨E) ∧ (A∨¬B∨C∨¬D∨¬E) ∧ (A∨¬B∨¬C∨D∨E) ∧ (A∨¬B∨¬C∨D∨¬E) ∧ (A∨¬B∨¬C∨¬D∨E) ∧ (A∨¬B∨¬C∨¬D∨¬E) ∧ (¬A∨B∨¬C∨¬D∨¬E) ∧ (¬A∨¬B∨C∨D∨E) ∧ (¬A∨¬B∨C∨D∨¬E) ∧ (¬A∨¬B∨C∨¬D∨E) ∧ (¬A∨¬B∨C∨¬D∨¬E) ∧ (¬A∨¬B∨¬C∨D∨E) ∧ (¬A∨¬B∨¬C∨D∨¬E) ∧ (¬A∨¬B∨¬C∨¬D∨E)
Логическая cхема:

Построение полинома Жегалкина:

По таблице истинности функции
ABCDEFж
000000
000010
000100
000110
001000
001010
001100
001110
010000
010010
010100
010110
011000
011010
011100
011110
100001
100011
100101
100111
101001
101011
101101
101110
110000
110010
110100
110110
111000
111010
111100
111111

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

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 = 1 => С10000 = 0 ⊕ 1 = 1
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 ⊕ 1 ⊕ 0 ⊕ 0 = 1
Fж(10100) = С00000 ⊕ С10000 ⊕ С00100 ⊕ С10100 = 1 => С10100 = 0 ⊕ 1 ⊕ 0 ⊕ 1 = 0
Fж(10010) = С00000 ⊕ С10000 ⊕ С00010 ⊕ С10010 = 1 => С10010 = 0 ⊕ 1 ⊕ 0 ⊕ 1 = 0
Fж(10001) = С00000 ⊕ С10000 ⊕ С00001 ⊕ С10001 = 1 => С10001 = 0 ⊕ 1 ⊕ 0 ⊕ 1 = 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 = 0 => С11100 = 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(11010) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00010 ⊕ С11000 ⊕ С10010 ⊕ С01010 ⊕ С11010 = 0 => С11010 = 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(11001) = С00000 ⊕ С10000 ⊕ С01000 ⊕ С00001 ⊕ С11000 ⊕ С10001 ⊕ С01001 ⊕ С11001 = 0 => С11001 = 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 = 0
Fж(10110) = С00000 ⊕ С10000 ⊕ С00100 ⊕ С00010 ⊕ С10100 ⊕ С10010 ⊕ С00110 ⊕ С10110 = 1 => С10110 = 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(10101) = С00000 ⊕ С10000 ⊕ С00100 ⊕ С00001 ⊕ С10100 ⊕ С10001 ⊕ С00101 ⊕ С10101 = 1 => С10101 = 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 0
Fж(10011) = С00000 ⊕ С10000 ⊕ С00010 ⊕ С00001 ⊕ С10010 ⊕ С10001 ⊕ С00011 ⊕ С10011 = 1 => С10011 = 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 = 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 = 0 => С11110 = 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 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 = 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 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 = 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 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 = 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 1
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 ⊕ 1 ⊕ 0 ⊕ 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 ⊕ 1 ⊕ 0 ⊕ 1 = 0

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