Combining Texts

All the ideas for 'Natural Kinds and Biological Realism', 'Quaestiones de anima' and 'Notes on Logic'

expand these ideas     |    start again     |     specify just one area for these texts

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5 ideas

7. Existence / D. Theories of Reality / 8. Facts / d. Negative facts

22312

Facts can be both positive and negative [Wittgenstein, by Potter]

9. Objects / C. Structure of Objects / 2. Hylomorphism / d. Form as unifier

16766

One thing needs a single thing to unite it; if there were two forms, something must unite them [Aquinas]

26. Natural Theory / B. Natural Kinds / 1. Natural Kinds

17371

Some kinds are very explanatory, but others less so, and some not at all [Devitt]

27. Natural Reality / G. Biology / 5. Species

17372

The higher categories are not natural kinds, so the Linnaean hierarchy should be given up [Devitt]

17373

Species pluralism says there are several good accounts of what a species is [Devitt]