6 ideas
| 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] |
| 7783 | Bodies, properties, relations, events, numbers, sets and propositions are 'things' if they exist [Lowe] |
| 10498 | Classification is no longer held to be rooted in social institutions [Ellen] |
| 7903 | The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna] |