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.

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Table of Contents

CROOKED ANSWERS.

employed.

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

       -------
      |   | 1 |
  2.  |---|---|  i.e.  Some x are y'; or, Some y' are x.
      |   |   |
       -------

       -------
      |   |   |
  3.  |---|---|  i.e.  Some y are x'; or, Some x' are y.
      | 1 |   |
       -------

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