4 ideas
9616 | A set is a collection into a whole of distinct objects of our intuition or thought [Cantor] |
15896 | Cantor needed Power Set for the reals, but then couldn't count the new collections [Cantor, by Lavine] |
527 | Everything exists which anyone perceives [Metrodorus of Chios] |
4032 | The problem of universals is how many particulars can all be of the same 'type' [Armstrong] |