442 Wisconsin Academy of Sciences > Arts, and Letters. 
idea is to serve as a particular thought-member. I called it, in 
this last symbolic activity, an isolated case-ending, the sign of a 
second case-usage. 
Of the interrogative I also claim that it is not a pronoun, and 
that, in the ordinary sense, it is not a word—not however bo- 
cause it means too little, but because it means by far too much. 
To call it on the other hand a sentence, ranking it with “Yes” 
or “Pluit,” may at first sight seem improper; for it offers more 
than even these. This more, however, I have sought to exhibit 
as not a more: of meaning, but merely a more of what do with 
meaning. So far as meaning , only is concerned, I Claim for 
“Who ?” an exact equivalence to “I wish you to tell me him.” 
That- is, I claim that “Who ?” is a sentence*—strictly no more—■ 
surely no less. 
From its fellow' one-word sentences, T differentiate the 
“WTio ?” as follows : Condensing the expression of its total 
*The judgment expressed by this sentence has a first term “I”, a 
mid-term “wish” and a last term “to tell”. (See diagram below.) 
This last term is moreover mid-term in a second environment. In 
this, the “you” appears as first term of “to tell.” Of last terms there 
are two, one direct and the other indirect; for the current of the action 
has, like that of many rivers, a lateral effluent. The indirect last term 
is “me”; the direct is “him”, with the formally definite but substan¬ 
tially indefinite meaning of “the person”. Following the hint afforded 
by the relative power which abides in the interrogative “Who?” I per¬ 
ceive that “the person” is to serve as subject in a new environment, 
yet to gather about it. Supplying such an environment, I find “the per¬ 
son” further used as first term to a mid-term, e. g., “killed”, and a 
last term, e. g., “Lincoln”, which together act as its restricter. Dia¬ 
graming I accordingly obtain 
You 
I-wish-to — tell 
-(killed-Lincoln) 
me 
the person 
