The other conclusion, adopted by the "ordinary language" philosophers, is that use determines mcuning. Wittgenstein in his later work takes this' position, and speech-act theorist J. L. Austin is one of its most important defender!>

He understands the principles of linguistic change-for example, the tendency for slang terms to be-come part of the reputable vocabulary-and he addresses a practical problem that teachers of rhetoric have yet to solve, namely, the conflict between descriptive lin-guistics and the need to leach usage.

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