Дан фрагмент таблицы истинности выражения F.
|
x1 |
x2 |
x3 |
x4 |
x5 |
x6 |
x7 |
F |
|
0 |
1 |
0 |
1 |
1 |
1 |
0 |
0 |
|
1 |
0 |
1 |
1 |
0 |
0 |
1 |
0 |
|
0 |
1 |
0 |
1 |
1 |
0 |
1 |
0 |
Какое выражение соответствует F?
1)
x1 →
(x2 and x3 or x4 and x5 or x6 and x7)
2)
x2 →
(x1 and x3 or x4 and x5 or x6 and x7)
3)
x3 →
(x1 and x2 or x4 and x5 or x6 and x7)
4)
x4 →
(x1 and x2 or x3 and x5 or x6 and x7)