5 ideas
291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
15946 | Cantor developed sets from a progression into infinity by addition, multiplication and exponentiation [Cantor, by Lavine] |
15911 | Ordinals are generated by endless succession, followed by a limit ordinal [Cantor, by Lavine] |
293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |
6570 | Imagine millions made happy on condition that one person suffers endless lonely torture [James] |