The Game of Logic eBook

This eBook from the Gutenberg Project consists of approximately 54 pages of information about The Game of Logic.

All m are x;
Some y are m’.

There is ‘no information’ for the smaller Diagram; so no Conclusion can be drawn.

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Let “food” be Universe; m="sweet”;
x="sugar”; y="salt”.

All x are m;     &there4      All x are y’. 
All y are m’.                  All y are x’.

                  i.e.  Sugar is not salt. 
                         Salt is not sugar.

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Let “Things” be Universe; m="eggs”;
x="hard-boiled”; y="crackable”.

Some m are x; &there4 Some x are y. 
No m are y’.

i.e.  Some hard-boiled things can be cracked.

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Let “persons” be Universe; m="Jews”; x="that
  are in the house”; y="that are in the garden”.

No m are x; &there4 No x are y. 
No m’ are y.

i.e.  No persons, that are in the house, are also in
the garden.

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|   |   -   |   |
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Let “Things” be Universe; m="noisy”;
x="battles”; y="that may escape notice”.

All x are m; &there4 Some x’ are y. 
All m’ are y.

i.e.  Some things, that are not battles, may escape notice.

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Let “persons” be Universe; m="Jews”;
x="mad”; y="Rabbis”.

No m are x; &there4 All y are x’. 
All y are m.

i.e.  All Rabbis are sane.

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Let “Things” be Universe; m="fish”;
x="that can swim”; y="skates”.

No m are x’; &there4 Some y are x. 
Some y are m.

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Project Gutenberg
The Game of Logic from Project Gutenberg. Public domain.
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