8 ideas
| 8386 | Events are picked out by descriptions, and facts by whole sentences [Crane] |
| 10496 | Monothetic categories have fixed defining features, and polythetic categories do not [Ellen] |
| 10497 | In symbolic classification, the categories are linked to rules [Ellen] |
| 10495 | Continuous experience sometimes needs imposition of boundaries to create categories [Ellen] |
| 1556 | By nature people are close to one another, but culture drives them apart [Hippias] |
| 10498 | Classification is no longer held to be rooted in social institutions [Ellen] |
| 8387 | A cause has its effects in virtue of its properties [Crane] |
| 8384 | The regularity theory explains a causal event by other items than the two that are involved [Crane] |