9 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] |
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
22716 | Von Neumann defined ordinals as the set of all smaller ordinals [Neumann, by Poundstone] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
13554 | True greatness is never allowing events to disturb you [Seneca] |
13556 | Every night I critically review how I have behaved during the day [Seneca] |
13553 | Anger is a vice which afflicts good men as well as bad [Seneca] |
13552 | Anger is an extreme vice, threatening sanity, and gripping whole states [Seneca] |