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] |
20363 | Leaves are unequal, but we form the concept 'leaf' by discarding their individual differences [Nietzsche] |
3284 | There is no one theory of how to act (or what to believe) [Nagel] |