ic
Section 8.2 Logic Networks
657
14. x 1 x 2 x 3 f( x 1 , x 2 , x 3 )
1
1
1
0
1
1
0
1
1
0
1
1
1
0
0
0
0
1
1
1
0
1
0
0
0
0
1
0
0
0
0
1
15. x 1 x 2 x 3 f( x 1 , x 2 , x 3 )
1
1
1
0
1
1
0
0
1
0
1
1
1
0
0
1
0
1
1
0
0
1
0
1
0
0
1
0
0
0
0
0
16. x 1 x 2 x 3 f( x 1 , x 2 , x 3 )
1
1
1
0
1
1
0
1
1
0
1
1
1
0
0
0
0
1
1
0
0
1
0
1
0
0
1
0
0
0
0
0
17. x 1 x 2 x 3 x 4 f( x 1 , x 2 , x 3 , x 4 )
1
1
1
1
1
1
1
1
0
0
1
1
0
1
1
1
1
0
0
0
1
0
1
1
1
1
0
1
0
0
1
0
0
1
1
1
0
0
0
0
0
1
1
1
0
0
1
1
0
0
0
1
0
1
0
0
1
0
0
0
0
0
1
1
1
0
0
1
0
1
0
0
0
1
0
0
0
0
0
0
18. x 1 x 2 x 3 x 4 f( x 1 , x 2 , x 3 , x 4 )
1
1
1
1
1
1
1
1
0
0
1
1
0
1
1
1
1
0
0
0
1
0
1
1
1
1
0
1
0
1
1
0
0
1
0
1
0
0
0
0
0
1
1
1
1
0
1
1
0
0
0
1
0
1
1
0
1
0
0
0
0
0
1
1
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0