6 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] |
295 | The good is beautiful [Plato] |
294 | People say that friendship exists only between good men [Plato] |
16697 | Time is independent of motion, because God could stop everything for a short or long time [Crathorn, by Pasnau] |