---------------
| 0 | |
| ---|--- |
| | 0 | 0 | |
30. |---|---|---|---| -------
| | 1 | | | | 0 | |
| ---|--- | |---|---|
| 0 | | | 1 | |
--------------- -------
Let "persons" be Universe; m="Jews";
x="mad"; y="Rabbis".
No m are x; &there4 All y are x'.
All y are m.