5 ideas
| 19090 | If we can't check our language against experience, philosophy is just comparing beliefs and words [Rorty] |
| 15927 | Definition just needs negation, known variables, conjunction, disjunction, substitution and quantification [Weyl, by Lavine] |
| 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] |