The Game of Logic eBook

This eBook from the Gutenberg Project consists of approximately 66 pages of information about The Game of Logic.

The Game of Logic eBook

This eBook from the Gutenberg Project consists of approximately 66 pages of information about The Game of Logic.
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Let “persons” be Universe; m="that deserve the fair”;
      x="that get their deserts”; y="brave”.

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

      i.e.  Some brave persons get their deserts.

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Let “persons” be Universe; m="patient”;
x="children”; y="that can sit still”.

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

i.e.  No children can sit still.

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Let “things” be Universe; m="fat”; x="pigs”;
y="skeletons”.

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

i.e.  All pigs are not-skeletons.

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Let “creatures” be Universe; m="monkeys”;
x="soldiers”; y="mischievous”.

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

i.e.  Some mischievous creatures are not soldiers.

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Let “persons” be Universe; m="just”;
x="my cousins”; y="judges”.

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

i.e.  None of my cousins are judges.

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Let “periods” be Universe; m="days”;
x="rainy”; y="tiresome”.

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

i.e.  Some rainy periods are tiresome.

N.B.  These are not legitimate Premisses, since the Conclusion is really part of the second Premiss, so that the first Premiss is superfluous.  This may be shown, in letters, thus:—­

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