Combining Texts

All the ideas for 'Natural Kinds and Biological Realism', 'Individuals in Aristotle' and 'A Plea for Substitutional Quantification'

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7 ideas

4. Formal Logic / D. Modal Logic ML / 4. Alethic Modal Logic

9470	Modal logic is not an extensional language [Parsons,C]

5. Theory of Logic / G. Quantification / 4. Substitutional Quantification

9469	Substitutional existential quantifier may explain the existence of linguistic entities [Parsons,C]

9468	On the substitutional interpretation, '(∃x) Fx' is true iff a closed term 't' makes Ft true [Parsons,C]

9. Objects / E. Objects over Time / 9. Ship of Theseus

16157

Insurance on the original ship would hardly be paid out if the plank version was wrecked! [Frede,M]

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

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]