Combining Texts

All the ideas for 'Natural Kinds and Biological Realism', 'Necessary Truth' and 'Letters to Regius'

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6 ideas

9. Objects / D. Essence of Objects / 15. Against Essentialism

12251

Substantial forms are not understood, and explain nothing [Descartes]

10. Modality / A. Necessity / 11. Denial of Necessity

4577	There is no necessity higher than natural necessity, and that is just regularity [Quine]

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]

29. Religion / B. Monotheistic Religion / 4. Christianity / c. Angels

16772

An angelic mind would not experience pain, even when connected to a human body [Descartes, by Pasnau]