16. All x are m′;
No y are m.
17. Some m′ are x;
No m′ are y′.
18. All x are m′;
Some m′ are y′.
19. All m are x;
Some m are y′.
20. No x′ are m;
Some y are m.
21. Some x′ are m′;
All y′ are m.
22. No m are x;
Some m are y.
23. No m′ are x;
All y are m′.
24. All m are x;
No y′ are m′.
25. Some m are x;
No y′ are m.