12 ideas
| 13591 | Quantified modal logic collapses if essence is withdrawn [Quine] |
| 13590 | Essences can make sense in a particular context or enquiry, as the most basic predicates [Quine] |
| 8483 | Necessity is relative to context; it is what is assumed in an inquiry [Quine] |
| 16978 | If conceivability is a priori coherence, that implies possibility [Tahko] |
| 13589 | Possible worlds are a way to dramatise essentialism, and yet they presuppose essentialism [Quine] |
| 13588 | A rigid designator (for all possible worlds) picks out an object by its essential traits [Quine] |
| 13592 | Beliefs can be ascribed to machines [Quine] |
| 16975 | Essences are used to explain natural kinds, modality, and causal powers [Tahko] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 16976 | Scientific essentialists tend to characterise essence in terms of modality (not vice versa) [Tahko] |
| 16977 | If essence is modal and laws are necessary, essentialist knowledge is found by scientists [Tahko] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |