5 ideas
15990 | Every individual thing which exists has an essence, which is its internal constitution [Locke] |
14895 | 'Superficial' contingency: false in some world; 'Deep' contingency: no obvious verification [Evans, by Macià/Garcia-Carpentiro] |
11881 | Rigid designators can be meaningful even if empty [Evans, by Mackie,P] |
15994 | If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke] |
20363 | Leaves are unequal, but we form the concept 'leaf' by discarding their individual differences [Nietzsche] |