-------
| | |
14. All x are y'. i.e. | 0 | 1 |
| | |
-------
---
| |
15. No y are x'. i.e. |---|
| 0 |
---
---
| 1 |
16. All y are x. i.e. |---|
| 0 |
---
---
| 0 |
17. No y exist. i.e. |---|
| 0 |
--- ---
| |
18. Some y are x'. i.e. |---|
| 1 |
---
---