The Game of Logic

Name: The Game of Logic
Author: Carroll, Lewis

Carroll, Lewis

Logic -- Juvenile literature; Logic, Symbolic and mathematical

---------------               ---------------
            |       |       |             |       |     0 |
            |    ---|---    |             |    ---|---    |
            |   | 0 | 0 |   |             |   |   |   |   |
        7.  |---|---|---|---|         8.  |---|---|---|---|
            |   | 0 | 1 |   |             |   | 0 | 0 |   |
            |    ---|---    |             |    ---|---    |
            |       |       |             |       |     0 |
             ---------------               ---------------


                          ---------------
                         |       |       |
                         |    ---|---    |
                         |   | 0 | 0 |   |
  9.  No x are m.  i.e.  |---|---|---|---|
                         |   | 0 |   |   |
                         |    ---|---    |
                         |       |       |
                          ---------------


                             ---------------
                            |       |       |
                            |    ---|---    |
                            |   |   |   |   |
 10.  Some m' are y.  i.e.  |-1-|---|---|---|
                            |   |   |   |   |
                            |    ---|---    |
                            |       |       |
                             ---------------


                             ---------------
                            |       |       |
                            |    ---|---    |
                            |   |   | 0 |   |
 11.  All y' are m'.  i.e.  |---|---|---|-1-|
                            |   |   | 0 |   |
                            |    ---|---    |
                            |       |       |
                             ---------------

                            ---------------
                           |       |       |
                           |    ---|---    |
                           |   | 0 | 0 |   |
 12.  All m are x'.  i.e.  |---|---|---|---|
                           |   |   1   |   |
                           |    ---|---    |
                           |       |       |
                            ---------------

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

Public-domain text, read in full here on John Shaqi.

The Game of Logic

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