Combining Texts

All the ideas for 'Natural Science (lost)', 'The Theory of Transfinite Numbers' and 'Nominalism and Realism'

expand these ideas     |    start again     |     specify just one area for these texts


4 ideas

4. Formal Logic / F. Set Theory ST / 1. Set Theory
A set is a collection into a whole of distinct objects of our intuition or thought [Cantor]
6. Mathematics / A. Nature of Mathematics / 5. The Infinite / f. Uncountable infinities
Cantor needed Power Set for the reals, but then couldn't count the new collections [Cantor, by Lavine]
7. Existence / A. Nature of Existence / 6. Criterion for Existence
Everything exists which anyone perceives [Metrodorus of Chios]
8. Modes of Existence / D. Universals / 2. Need for Universals
The problem of universals is how many particulars can all be of the same 'type' [Armstrong]