11 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] |
| 6668 | If the present does not exist, then consciousness must be memory of the immediate past [Marshall] |
| 4581 | Virtues and vices are like secondary qualities in perception, found in observers, not objects [Hume] |
| 4580 | All virtues benefit either the public, or the individual who possesses them [Hume] |
| 4579 | The idea of a final cause is very uncertain and unphilosophical [Hume] |
| 20705 | That events could be uncaused is absurd; I only say intuition and demonstration don't show this [Hume] |