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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 71 of 126
Table of Contents

CROOKED ANSWERS.

                           -------
                          |   |   |
 10.  All x are y.  i.e.  | 1 | 0 |
                          |   |   |
                           -------

                            -------
                           |   |   |
 11.  Some x are y.  i.e.  | 1 |   |
                           |   |   |
                            -------

                          -------
                         |   |   |
 12.  No x are y.  i.e.  | 0 |   |
                         |   |   |
                          -------

                                             -------
                                            |   |   |
 13.  Some x are y, and some are y'.  i.e.  | 1 | 1 |
                                            |   |   |
                                             -------
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