Помогите с таблицей истинности !!!

Question

Помогите с таблицей истинности !!!

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Answer 1

1
1
0
1
1
1
1
1

2)
¬(X&Y)->Xv¬Z = X&YvXv¬ZvY
¬(¬(X&Y))v(Xv¬Z) = ((X&Y)vX)vYv¬Z
((X&Y)vX)v¬Z) = XvYv¬Z
Xv¬Z = XvYv¬Z
Y = 0

3)
1
1
1
1
1
1
0
0