7 ideas
21558 | 'Predicative' norms are those which define a class [Russell] |
21559 | We need rules for deciding which norms are predicative (unless none of them are) [Russell] |
15642 | If kinds depend only on what can be observed, many underlying essences might produce the same kind [Eagle] |
15645 | Nominal essence are the observable properties of things [Eagle] |
15643 | Nominal essence mistakenly gives equal weight to all underlying properties that produce appearances [Eagle] |
18284 | Particulars can be verified or falsified, but general statements can only be falsified (conclusively) [Popper] |
15641 | Kinds are fixed by the essential properties of things - the properties that make it that kind of thing [Eagle] |