5 ideas
| 12694 | Essence is the distinct thinkability of anything [Leibniz] |
| 5692 | Introspection is not perception, because there are no extra qualities apart from the mental events themselves [Rosenthal] |
| 17371 | Some kinds are very explanatory, but others less so, and some not at all [Devitt] |
| 17373 | Species pluralism says there are several good accounts of what a species is [Devitt] |
| 17372 | The higher categories are not natural kinds, so the Linnaean hierarchy should be given up [Devitt] |