List:
After stating that "the only way of directly communicating an idea is by
means of an icon" (R 787:23[27], CP 2.278), Peirce proceeds to describe
algebraic formulae as "icons in which the likeness is aided by conventional
rules" (23-24[27-28], 2.279-280). Near the end of the manuscript, he
List:
According to Peirce in this manuscript, each *index* in an assertion
denotes one of its *subjects*, either by a word or by "a mere look or
gesture" (R 787:19[23], CP 2.338, c. 1895-6). How we distinguish those
subjects is somewhat arbitrary.
CSP: Thus, in the assertion, "all men are
