5 ideas
3340 | Von Neumann defines each number as the set of all smaller numbers [Neumann, by Blackburn] |
3355 | Von Neumann wanted mathematical functions to replace sets [Neumann, by Benardete,JA] |
22716 | Von Neumann defined ordinals as the set of all smaller ordinals [Neumann, by Poundstone] |
12694 | Essence is the distinct thinkability of anything [Leibniz] |
22235 | Feelings are not unchanging, but have a history (especially if they are noble) [Foucault] |