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] |
21799 | We just use the word 'faculty' when we don't know the psychological cause [Galen] |
23873 | Dividing history books into separate chapters is disastrous [Weil] |