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Ideas for 'Lectures 1930-32 (student notes)', 'works' and 'Has Philosophy Lost Contact with People?'

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10. Modality / C. Sources of Modality / 3. Necessity by Convention

18726	For each necessity in the world there is an arbitrary rule of language [Wittgenstein]
	Full Idea: To a necessity in the world there corresponds an arbitrary rule in language.
	From: Ludwig Wittgenstein (Lectures 1930-32 (student notes) [1931], B XIV.2)
	A reaction: This seems to be hardcore logical positivism, making all necessities arbitrary. Compare Quine on the number of planets.