Note the Connection
f (u, v, w, x)
=
u v' w ' x'
+ u' v w ' x
+ u' v' w x'
u
v w x f
0 0
0 0 0
0 0 0 1 0
0 0 1 0 1
0 0 1 1 0
0 1 0 0 0
0 1 0 1 1
0 1
1 0 0
0 1 1 1 0
1 0 0 0 1
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 0
The
Ò1Ó rows of the truth table correspond
exactly to the minterms.