------- -------
| | | | | |
7. |---|---| 8. |---|---|
| | 1 | | 0 | 1 |
------- -------
------- -------
| | | | | |
9. |---|-1-| 10. |---|---|
| | | | 0 | 0 |
------- -------
------- -------
| 1 | | | 1 | 0 |
11. |---|---| 12. |---|---|
| 1 | | | | 1 |
------- -------
-------
| | |
13. No x' are y. i.e. |---|---|
| 0 | |
-------
-------
| | 0 |
14. All y' are x'. i.e. |---|---|
| | 1 |
-------
-------
| | |
15. Some y' exist. i.e. |---|-1-|
| | |
-------
-------
| 1 | 0 |
16. All y are x, and all x are y. i.e. |---|---|
| 0 | |
-------