5 ideas
| 5833 | Education is the greatest of human goods [Xenophon] |
| 17371 | Some kinds are very explanatory, but others less so, and some not at all [Devitt] |
| 16709 | Some people return to scholastic mysterious qualities, disguising them as 'forces' [Leibniz] |
| 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] |