Page:Carroll - Game of Logic.djvu/78

8. No $x$ are $y$. i. e. No good riddles are hard.

9.. Some $x$ are $y^{\prime }$. i. e. Some lobsters are unselfish.

10. No $x$ are $y$. i. e. No lobsters are selfish.

11. All $x$ are $y^{\prime }$. i. e. All lobsters are unselfish.

12. Some $x$ are $y$, and some are $y^{\prime }$. i. e. Some lobsters are selfish, and some are unselfish.

13. All $y^{\prime }$ are $x^{\prime }$. i. e. All invalids are unhappy.

14. Some $y^{\prime }$ exist, i. e. Some people are unhealthy.

15. Some $y^{\prime }$ are $x$, and some are $x^{\prime }$. i. e. Some invalids are happy, and some are unhappy.

16. No $y^{\prime }$ exist. i. e. Nobody is unhealthy.

 

§ 4. Smaller Diagram.
Propositions represented.

 

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1. 1
   0

2. 1

3. 	0

4. 	1

[See pp. 42–4]