14 ideas
| 15544 | If what is actual might have been impossible, we need S4 modal logic [Armstrong, by Lewis] |
| 9406 | A class is natural when everybody can spot further members of it [Quinton] |
| 15730 | Extreme nominalists say all classification is arbitrary convention [Quinton] |
| 7024 | Properties are universals, which are always instantiated [Armstrong, by Heil] |
| 15728 | The naturalness of a class depends as much on the observers as on the objects [Quinton] |
| 9407 | Properties imply natural classes which can be picked out by everybody [Quinton] |
| 9478 | Even if all properties are categorical, they may be denoted by dispositional predicates [Armstrong, by Bird] |
| 10729 | Universals explain resemblance and causal power [Armstrong, by Oliver] |
| 15729 | Uninstantiated properties must be defined using the instantiated ones [Quinton] |
| 4031 | It doesn't follow that because there is a predicate there must therefore exist a property [Armstrong] |
| 8520 | An individual is a union of a group of qualities and a position [Quinton, by Campbell,K] |
| 10024 | The type-token distinction is the universal-particular distinction [Armstrong, by Hodes] |
| 10728 | A thing's self-identity can't be a universal, since we can know it a priori [Armstrong, by Oliver] |
| 6215 | 'Contingent' means that the cause is unperceived, not that there is no cause [Hobbes] |