6 ideas
291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
21563 | The 'no classes' theory says the propositions just refer to the members [Russell] |
21565 | Richard's puzzle uses the notion of 'definition' - but that cannot be defined [Russell] |
21564 | Vicious Circle: what involves ALL must not be one of those ALL [Russell] |
18465 | An 'equivalence' relation is one which is reflexive, symmetric and transitive [Kunen] |
293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |