4 ideas
3299 | In logic identity involves reflexivity (x=x), symmetry (if x=y, then y=x) and transitivity (if x=y and y=z, then x=z) [Baillie] |
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] |