14 ideas
| 9406 | A class is natural when everybody can spot further members of it [Quinton] |
| 15567 | Some events involve no change; they must, because causal histories involve unchanges [Lewis] |
| 15561 | The events that suit semantics may not be the events that suit causation [Lewis] |
| 15565 | Events have inbuilt essences, as necessary conditions for their occurrence [Lewis] |
| 15566 | Events are classes, and so there is a mereology of their parts [Lewis] |
| 15564 | An event is a property of a unique space-time region [Lewis] |
| 15730 | Extreme nominalists say all classification is arbitrary convention [Quinton] |
| 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] |
| 15563 | Properties are very abundant (unlike universals), and are used for semantics and higher-order variables [Lewis] |
| 15729 | Uninstantiated properties must be defined using the instantiated ones [Quinton] |
| 8520 | An individual is a union of a group of qualities and a position [Quinton, by Campbell,K] |
| 5958 | The sun is always bright; it doesn't become bright when it emerges [Plutarch] |
| 15562 | Causation is a general relation derived from instances of causal dependence [Lewis] |