Combining Texts

Ideas for 'fragments/reports', 'Lectures 1930-32 (student notes)' and 'Three Dialogues of Hylas and Philonous'

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2 ideas

10. Modality / A. Necessity / 10. Impossibility

3946	A thing is shown to be impossible if a contradiction is demonstrated within its definition [Berkeley]

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]