43

18

that was merely the time at which their
real knowledge of the language was making
its first beginning! It is precisely so in graphs.
When you have learned to think in them
easily without translation then you are
ready to begin the real study of them.

The gamma part of graphs, in its
present condition, is characterized by
a great wealth of new signs; but it has
no sign of an essentially different
kind from those of the alpha and beta
part. The alpha part has three distinct
kinds of signs, the graphs, the sheet
of assertion, and the cuts. The beta part
adds two quite different kinds of signs,