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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 78 of 126
Table of Contents

CROOKED ANSWERS.

                             -------
                            |   | 0 |
 14.  All y' are x'.  i.e.  |---|---|
                            |   | 1 |
                             -------

                             -------
                            |   |   |
 15.  Some y' exist.  i.e.  |---|-1-|
                            |   |   |
                             -------
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