F= ¬A*B+¬(A*B)
F=¬A*B+¬A+¬B
F=¬A(B+1) +¬B
F=¬A+¬B
A B ¬A ¬B F
0 0 1 1 1
0 1 1 0 1
1 0 0 1 1
1 1 0 0 0
----------------------------------------------------------------------
F=¬( (A+¬C)*¬C)
F=¬(A+¬C) +C
F=¬A*C+C
F=C(¬A+1)
F =C (F не зависит от A)
A C F
0 0 0
0 1 1
1 0 0
1 1 1
------------------------------------------------
F=¬(B*¬(¬C+¬D))
F=¬(B*C*D)
B C D B*C*D F
0 0 0 0 1
0 0 1 0 1
0 1 0 0 1
0 1 1 0 1
1 0 0 0 1
1 0 1 0 1
1 1 0 0 1
1 1 1 1 0