23

1908 Nov 2
Logic
7

acquired considerable control not only of the movements of your
limbs but also over your thoughts. If we were to meet in the flesh, we
should both take it for granted. I should know that it was so, and
know that you knew it, and knew that I knew that you knew it;
and (??) so on, ad infinitum and vice versa. Surely, all this common
acknowledged information ought to afford us an amply sufficient
πού στώ in acting each upon the others opinions to enable us to come
forthwith to agreement upon all ordinary topics, or at least, upon
questions concerning our meaning in using familiar words
such as knowledge, truth , and reality. Yet, strange to say, those very
three questions, What do we mean by "knowledge"? What by "truth"?
What by "Reality"? are much vexed. Is there really any need of
their being so?