7 ideas
17699 | Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel] |
14248 | We could accept the integers as primitive, then use sets to construct the rest [Cohen] |
10496 | Monothetic categories have fixed defining features, and polythetic categories do not [Ellen] |
10497 | In symbolic classification, the categories are linked to rules [Ellen] |
10494 | Several words may label a category; one word can name several categories; some categories lack words [Ellen] |
10495 | Continuous experience sometimes needs imposition of boundaries to create categories [Ellen] |
10498 | Classification is no longer held to be rooted in social institutions [Ellen] |