---------------
| | |
| ---|--- |
| | | 0 | |
11. All y' are m'. i.e. |---|---|---|-1-|
| | | 0 | |
| ---|--- |
| | |
---------------
---------------
| | |
| ---|--- |
| | 0 | 0 | |
12. All m are x'. i.e. |---|---|---|---|
| | 1 | |
| ---|--- |
| | |
---------------