       |
| f_7  | f_0111 | 0 1 1 1 |  (p  q)  | not both p and q | ~p v ~q  |
|      |        |         |          |                  |          |
| f_8  | f_1000 | 1 0 0 0 |   p  q   | p and q          |  p &amp;  q  |
|      |        |         |          |                  |          |
| f_9  | f_1001 | 1 0 0 1 | ((p, q)) | p equal to q     |  p =  q  |
|      |        |         |          |                  |          |
| f_10 | f_1010 | 1 0 1 0 |      q   | q                |       q  |
|      |        