10

πλ
10

enough to prove that all thoughts and thinkings are signs. For
a sign is not only something determined by an object, but is some-
thing which determines an interpretant to reference, through
it, to that same object. Now it is not immediately evident that
a thought or a thinking, not only does but necessarily
must, not merely in order to embody thought, but even in
its essential nature as thought,
must appeal to an interpretant. A subpena upon
psychology to testify that deliberate reflexion takes the
form of a dialogue, whether with or without the spicery of chat
about the two sides of the brain, would, on the part of one who
understood the matter, be nothing less than charlatanry. For
it is not the question how man does think, but what is the