4 ideas
17831 | Cantor gives informal versions of ZF axioms as ways of getting from one set to another [Cantor, by Lake] |
20660 | At one level maths and nature are very similar, suggesting some deeper origin [Wolfram] |
3031 | The greatest good is not the achievement of desire, but to desire what is proper [Menedemus, by Diog. Laertius] |
20659 | Space and its contents seem to be one stuff - so space is the only existing thing [Wolfram] |