11 ideas
| 13591 | Quantified modal logic collapses if essence is withdrawn [Quine] |
| 9295 | Not only substances have attributes; events, actions, states and qualities can have them [Teichmann] |
| 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] |
| 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] |
| 9293 | Body-spirit interaction ought to result in losses and increases of energy in the material world [Teichmann] |
| 468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
| 9292 | The Soul has no particular capacity (in the way thinking belongs to the mind) [Teichmann] |
| 9294 | No individuating marks distinguish between Souls [Teichmann] |