]>

Table 3: If $v_1$ is fixed as 0 in the truth table of Table 1, the following one is obtained.

$v_1$ $v_2$ $v_3$ $f_1$ $f_2$ $f_3$ 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 1 1 0 1 1