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] |
16458 | Semantic vagueness involves alternative and equal precisifications of the language [Lewis] |
5271 | Prejudice apart, push-pin has equal value with music and poetry [Bentham] |