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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 88 of 126
Table of Contents

CROOKED ANSWERS.

                               ---------------
                              | 0     |       |
                              |    ---|---    |
                              |   | 0 | 0 |   |
 13.  No x are m;       i.e.  |---|---|---|---|
      All y are m.            |   | 1 |   |   |
                              |    ---|---    |
                              | 0     |       |
                               ---------------

                                ---------------
                               | 0     |     0 |
                               |    ---|---    |
                               |   |   |   |   |
 14.  All m' are y;      i.e.  |---|---|---|---|
      No x are m'.             |   |   |   |   |
                               |    ---|---    |
                               | 1     |     0 |
                                ---------------
88