10 ideas
| 9406 | A class is natural when everybody can spot further members of it [Quinton] |
| 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] |
| 20443 | The aesthetic attitude is nothing more than paying close attention [Dickie, by Giovannelli] |
| 20329 | A work of art is an artifact created for the artworld [Dickie] |
| 8114 | The institutional theory says only a competent expert can decree something to be an art work [Dickie, by Gardner] |
| 1558 | Clearly the gods ignore human affairs, or they would have given us justice [Thrasymachus] |