12 ideas
21697 | The Struthionic Fallacy is that of burying one's head in the sand [Quine] |
9406 | A class is natural when everybody can spot further members of it [Quinton] |
21698 | All relations, apart from ancestrals, can be reduced to simpler logic [Quine] |
21696 | Nominalism rejects both attributes and classes (where extensionalism accepts the classes) [Quine] |
15730 | Extreme nominalists say all classification is arbitrary convention [Quinton] |
14979 | Being alone doesn't guarantee intrinsic properties; 'being alone' is itself extrinsic [Lewis, by Sider] |
15454 | Extrinsic properties come in degrees, with 'brother' less extrinsic than 'sibling' [Lewis] |
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] |
15729 | Uninstantiated properties must be defined using the instantiated ones [Quinton] |
15455 | Total intrinsic properties give us what a thing is [Lewis] |
8520 | An individual is a union of a group of qualities and a position [Quinton, by Campbell,K] |