6 ideas
18465 | An 'equivalence' relation is one which is reflexive, symmetric and transitive [Kunen] |
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] |
5880 | Xenocrates held that the soul had no form or substance, but was number [Xenocrates, by Cicero] |
15641 | Kinds are fixed by the essential properties of things - the properties that make it that kind of thing [Eagle] |