9 ideas
11074 | 'It is true that this follows' means simply: this follows [Wittgenstein] |
14238 | A class is an aggregate of objects; if you destroy them, you destroy the class; there is no empty class [Frege] |
9406 | A class is natural when everybody can spot further members of it [Quinton] |
11073 | Two and one making three has the necessity of logical inference [Wittgenstein] |
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] |
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] |