14. No xy′ exist, &c.
15. Some xy exist, &c.
16. All y are x.
17. All x′ are y, and all y′ are x.
18. All x are y′, and all y are x′.
19. All x are y, and all y′ are x′.
20. All y are x′.
[AN4]Answers to § 4.
1. No x′ are y′.
2. Some x′ are y′.
14. No xy′ exist, &c.
15. Some xy exist, &c.
16. All y are x.
17. All x′ are y, and all y′ are x.
18. All x are y′, and all y are x′.
19. All x are y, and all y′ are x′.
20. All y are x′.
1. No x′ are y′.
2. Some x′ are y′.