------------------------|
| .---------------. | .---------------. |
| | | ( )| All y' are m | | | | |
| | .---|---. | | | .---|---. | |
| | | | | | | | | |( )| | |
| |---|---|(.)|---| .-----------------. |---|---|---|(.)| |
| | | | | | | | | |( )| | |
| | .---|---. | | All y' are m' | .---|---. | |
| | | ( )| | | | | |
| .---------------. | .---------------. |
|---------------------------------------------------------|
| .---------------. | .---------------. |
| | | | All m are y | | | | |
| | .---|---. | | | .---|---. | |
| | | |( )| | | | |( )| | | |
| |---|(.)|---|---| .-----------------. |---|---|(.)|---| |
| | | |( )| | | | |( )| | | |
| | .---|---. | | All m are y' | .---|---. | |
| | | | | | | | |
| .---------------. | .---------------. |
|---------------------------------------------------------|
| .---------------. | .---------------. |
| | | ( )| All m' are y | |( ) | | |
| | .---|---. | | | .---|---. | |
| | | | | | | | | | | | |
| |(.)|---|---|---| .-----------------. |---|---|---|(.)| |
| | | | | | | | | | | | |
| | .---|---. | | All m' are y' | .---|---. | |
| | | ( )| | |( ) | | |
| .---------------. | .---------------. |
.---------------------------------------------------------.

pg050

CHAPTER III.

_REPRESENTATION OF TWO PROPOSITIONS OF RELATION, ONE IN TERMS OF x AND
m, AND THE OTHER IN TERMS OF y AND m, ON THE SAME DIAGRAM._

The Reader had better now begin to draw little Diagrams for himself, and
to mark them with the Digits "I" and "O", instead of using the Board and
Counters: he may put a "I" to represent a _Red_ Counter (this may be
interpreted to mean "There is at least _one_ Thing here"), and a "O" to
r