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- 1889-1951. Austrian philosopher. Tractatus
- Logico-Philosophicus 1922 postulated the
- `picture theory' of language: that words
- represent things according to social
- agreement. He subsequently rejected this
- idea, and developed the idea that usage was
- more important than convention. The picture
- theory said that it must be possible to break
- down a sentence into `atomic propositions'
- whose elements stand for elements of the real
- world. After he rejected this idea, his later
- philosophy developed a quite different,
- anthropological view of language: words are
- used according to different rules in a
- variety of human activities - different
- `language games' are played with them. The
- traditional philosophical problems arise
- through the assumption that words (like
- `exist' in the sentence `Physical objects do
- not really exist') carry a fixed meaning with
- them, independent of context. He taught at
- Cambridge University, England, in the 1930s
- and 1940s. Philosophical Investigations 1954
- and On Certainty 1969 were published
- posthumously.
-