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CHAPTER III. CROOKED ANSWERS. - The Game of Logic| Set Display | Please Turn On Your Virtual Bookmarks | Help Support This Site | Table of Contents | Lewis Carroll |
Page 31 of 45
CHAPTER III. CROOKED ANSWERS. - The Game of Logic
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17. Some x are y, and some x' are y'. i.e. |---|---|
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5. Smaller Diagram.
Symbols interpreted.
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1. Some y are not-x, or, Some not-x are y.
2. No not-x are not-y, or, No not-y are not-x.
3. No not-y are x.
4. No not-x exist. i.e. No Things are not-x.
5. No y exist. i.e. No houses are two-storied.
6. Some x' exist. i.e. Some houses are not built of brick.
7. No x are y'. Or, no y' are x. i.e. No houses, built of brick, are other than two-storied. Or, no houses, that are not two-storied, are built of brick.
8. All x' are y'. i.e. All houses, that are not built of brick, are not two-storied.
9. Some x are y, and some are y'. i.e. Some fat boys are active, and some are not.
10. All y' are x'. i.e. All lazy boys are thin.
11. All x are y', and all y' are x. i.e. All fat boys are lazy, and all lazy ones are fat.
12. All y are x, and all x' are y. i.e. All active boys are fat, and all thin ones are lazy.
13. No x exist, and no y' exist. i.e. No cats have green eyes, and none have bad tempers.
14. Some x are y', and some x' are y. Or some y are x', and some y' are x. i.e. Some green-eyed cats are bad-tempered, and some, that have not green eyes, are good-tempered. Or, some good-tempered cats have not green eyes, and some bad-tempered ones have green eyes.
15. Some x are y, and no x' are y'. Or, some y are x, and no y' are x'. i.e. Some green-eyed cats are good-tempered, and none, that are not green-eyed, are bad-tempered. Or, some good-tempered cats have green eyes, and none, that are bad-tempered, have not green eyes.
16. All x are y', and all x' are y. Or, all y are x', and all y' are x. i.e. All green-eyed cats are bad-tempered and all, that have not green eyes, are good-tempered. Or, all good-tempered ones have eyes that are not green, and all bad-tempered ones have green eyes.
6. Larger Diagram.
Propositions represented.
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