diferite
egale
|Pentru ultimul set de expresii tabelul este:

<table align=center>

<table>

<tr>
<th>a</th>
<th>b</th>

<th>a&#124;b</th>
<th>E</th>
</tr>

 
<tr>
<td>0</td>
<td>0</td>
<td>1</td>
<td>1</td>
<td>1</td>
<td>0</td>
<td>0</td>
</tr>
 

</table>
a  b  ~a  a&#124;~a  (a&#124;~a)&(a&#124;~a)&(a&#124;~a) a&#124;b  E
0  0   1     1                       1                      0      0