a b c d a∧b a∧b∧c ¬b a∧¬b a∧¬b∧c a∧b∧c∨a∧¬b∧c a∧b∧¬b a∧b∧¬b∧d a∧b∧c∨a∧¬b∧c∨a∧b∧¬b∧d
0 0 0 0 0 0 1 0 0 0 0 0 0
0 0 0 1 0 0 1 0 0 0 0 0 0
0 0 1 0 0 0 1 0 0 0 0 0 0
0 0 1 1 0 0 1 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 0 0 0 0
0 1 0 1 0 0 0 0 0 0 0 0 0
0 1 1 0 0 0 0 0 0 0 0 0 0
0 1 1 1 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 1 1 0 0 0 0 0
1 0 0 1 0 0 1 1 0 0 0 0 0
1 0 1 0 0 0 1 1 1 1 0 0 1
1 0 1 1 0 0 1 1 1 1 0 0 1
1 1 0 0 1 0 0 0 0 0 0 0 0
1 1 0 1 1 0 0 0 0 0 0 0 0
1 1 1 0 1 1 0 0 0 1 0 0 1
1 1 1 1 1 1 0 0 0 1 0 0 1