5 ideas
21757 | Philosophy is the conceptual essence of the shape of history [Hegel] |
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] |
16383 | Puzzled Pierre has two mental files about the same object [Recanati on Kripke] |