18

φαν13

that they will be interpreted as signs, and as just such and such
signs. Now I use the term Thought in such a sense that I speak of any two
symbols which are intended, or profess to be intended, to be
representative of the same real object, be it thing, event, or law,
and which further signify, or are intended to call forth
the same response, or interpretation, be it an emotion, an
obedient act, or another sign, I speak of these, I say, as being, or embodying, the
same Thought, in different guises. The highest kind of
symbol is one which signifies a growth, or self-development,
of thought, and it is of that alone that a moving representation
is possible; and accordingly, the central problem of logic is to
say whether one given thought is truly, i.e. is adapted to be, a development of a given other or
not. In other words, it is the critic of arguments. Accordingly, in