Combining Texts

All the ideas for 'fragments/reports', 'Difficulties of Transfinite Numbers and Types' and 'Nonexistent Objects'

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5 ideas

6. Mathematics / C. Sources of Mathematics / 10. Constructivism / d. Predicativism

21558

'Predicative' norms are those which define a class [Russell]

21559

We need rules for deciding which norms are predicative (unless none of them are) [Russell]

9. Objects / A. Existence of Objects / 4. Impossible objects

18948

There is an object for every set of properties (some of which exist, and others don't) [Parsons,T, by Sawyer]

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]