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Wittgenstein's Philosophical Investigations, Entry 17, The Case of the Cube

     In sections 139-142 are some of the most interesting so far. Here he uses the example of the cube to investigate the relations between the picture we get of a word and how we may use it. That is, how does the picture we get of a cube really limit the way we may use it.      One may think that the picture we have of a cube will completely determine how we use the word. But, we will be surprised when we can think of a triangular projection of a cube and still have to call it a 'cube'.      It is too easy to just say, as everyone does these days, that the USE of a word is what we mean by it. Wittgenstein, pun intended, turns it around in his mind and shows how the notion of 'use' reveals potentials in a word beyond what we immediately think when a picture occurs in our mind. We may think we mean the picture by the word, and that has to be an important part of it, but it is not the full expression of the word. It is the place the word in all our language games that r