By Ludwig Wittgenstein
He sat on a chair in the midst of the room, with the various category sitting in chairs, a few at the ground. He by no means used notes. He paused often, occasionally for numerous mins, whereas he wondered out an issue. He usually requested his listeners questions and reacted to their replies. Many conferences have been mostly conversation.
These lectures have been attended through, between others, D. A. T. Gasking, J. N. Findlay, Stephen Toulmin, Alan Turing, G. H. von Wright, R. G. Bosanquet, Norman Malcolm, Rush Rhees, and Yorick Smythies. Notes taken via those final 4 are the foundation for the thirty-one lectures during this book.
The lectures lined such themes because the nature of arithmetic, the differences among mathematical and daily languages, the reality of mathematical propositions, consistency and contradiction in formal structures, the logicism of Frege and Russell, Platonism, identification, negation, and valuable fact. The mathematical examples used are almost always elementary.
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