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1909 Nov 3
P.M. 2:15
Significs & Logic
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An argument is, of course, a Sign; namely, a Sign of
the truth of its conclusion. For it is a Sign in the first place of
the truth of its premisses; and then this truth being a Sign of
that of the conclusion, the Argument itself is a Sign of that same.
I do not say that every Sign of another Sign is , ipso facto, a Sign of that of
which the latter is a Sign; but it is so in this case.

It evidently follows that there is a tolerably somewhat close affinity
between Significs, in so far as it coincides with, or is a branch
of Semiotic,^* Insert here this footnote [^* The words I "capitalize",
such as "Significs" and "Semiotic" in this sentence, are so marked in order
to call the Reader's attention to the fact that the precise, or approximately
precise, sense in which each of them is used throughout this paper is
somewhere explained it it. End of foot-note] Text resumed: and Logic, in the