Combining Texts

All the ideas for 'fragments/reports', 'Principles of Theoretical Logic' and 'The Blue and Brown Notebooks'

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5 ideas

4. Formal Logic / C. Predicate Calculus PC / 1. Predicate Calculus PC

17750

The first clear proof of the consistency of the first order predicate logic was in 1928 [Hilbert/Ackermann, by Walicki]

16. Persons / D. Continuity of the Self / 3. Reference of 'I'

22419

'I' is a subject in 'I am in pain' and an object in 'I am bleeding' [Wittgenstein, by McGinn]

19. Language / F. Communication / 6. Interpreting Language / b. Indeterminate translation

6318	The doctrine of indeterminacy of translation seems implied by the later Wittgenstein [Wittgenstein, by Quine]

26. Natural Theory / A. Speculations on Nature / 5. Infinite in Nature

1748	Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius]

27. Natural Reality / G. Biology / 3. Evolution

5989	Archelaus said life began in a primeval slime [Archelaus, by Schofield]