Logic -- Juvenile literature; Logic, Symbolic and mathematical
He is a-person-whom-I-sent-to-bring-me-a-kitten;
He is a-person-who-brought-me-a-kettle-by-mistake.
The latter form seems best, as the interest of the anecdote clearly
depends on HIS stupidity--not on what happened to ME. Let us then
make m = "he"; x = "persons whom I sent, &c."; and y = "persons
who brought, &c."
Hence, All m are x;
All m are y. and the required Diagram is
---------------
| | |
| ---|--- |
| | 1 | 0 | |
|---|---|---|---|
| | 0 | 0 | |
| ---|--- |
| | |
---------------
7. Both Diagrams employed.
-------
| 0 | |
1. |---|---| i.e. All y are x'.
| 1 | |
-------
-------
| | 1 |
2. |---|---| i.e. Some x are y'; or, Some y' are x.
| | |
-------
-------
| | |
3. |---|---| i.e. Some y are x'; or, Some x' are y.
| 1 | |
-------
-------
| | |
4. |---|---| i.e. No x' are y'; or, No y' are x'.
| | 0 |
-------
-------
| 0 | |
5. |---|---| i.e. All y are x'. i.e. All black rabbits
| 1 | | are young.
-------
-------
| | |
6. |---|---| i.e. Some y are x'. i.e. Some black
| 1 | | rabbits are young.
-------
-------
| 1 | 0 |
7. |---|---| i.e. All x are y. i.e. All well-fed birds
| | | are happy.
-------
-------
| | | i.e. Some x' are y'. i.e. Some birds,
8. |---|---| that are not well-fed, are unhappy;
| | 1 | or, Some unhappy birds are not
------- well-fed.
-------
| 1 | 0 |
9. |---|---| i.e. All x are y. i.e. John has got a
| | | tooth-ache.
-------
-------
| | |
10. |---|---| i.e. No x' are y. i.e. No one, but John,
| 0 | | has got a tooth-ache.
-------
-------
| 1 | |
11. |---|---| i.e. Some x are y. i.e. Some one, who
| | | has taken a walk, feels better.
-------
-------
| 1 | | i.e. Some x are y. i.e. Some one,
12. |---|---| whom I sent to bring me a kitten,
| | | brought me a kettle by mistake.
-------
---------------
| | 0 |
| ---|--- |
| | 0 | 0 | |
13. |-1-|---|---|---| -------
| | | | | | | 0 |
| ---|--- | |---|---|
| | 0 | | | |
--------------- -------
Let "books" be Universe; m="exciting",
x="that suit feverish patients"; y="that make
one drowsy".
Public-domain text, read in full here on John Shaqi.
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