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nydus/The Game of LogicPublic

This instructional book presents a logic game played with a diagram and nine counters. It explains how to express propositions through the relationship between things and their attributes.

Page 115 of 126
Table of Contents

CROOKED ANSWERS.

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.
      ---------------
     | 0     |     0 |
     |    ---|---    |
     |   |   -   |   |
29.  |---|---|---|---|        -------
     |   |   |   |   |       |   |   |
     |    ---|---    |       |---|---|
     | 1     |     0 |       | 1 |   |
      ---------------         -------
         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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