7 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] |
19087 | The meaning or purport of a symbol is all the rational conduct it would lead to [Peirce] |
299 | What is fine is always difficult [Plato] |
297 | What is fine is the parent of goodness [Plato] |
298 | While sex is very pleasant, it should be in secret, as it looks contemptible [Plato] |