Combining Texts

All the ideas for 'Natural Kinds and Biological Realism', 'Letters to Frege' and 'Ordinatio'

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9 ideas

5. Theory of Logic / L. Paradox / 5. Paradoxes in Set Theory / d. Russell's paradox
13365 Russell's Paradox is a stripped-down version of Cantor's Paradox [Priest,G on Russell]
10711 Russell's paradox means we cannot assume that every property is collectivizing [Potter on Russell]
8. Modes of Existence / B. Properties / 11. Properties as Sets
9127 Russell refuted Frege's principle that there is a set for each property [Russell, by Sorensen]
8. Modes of Existence / E. Nominalism / 1. Nominalism / b. Nominalism about universals
9103 A universal is not a real feature of objects, but only a thought-object in the mind [William of Ockham]
18. Thought / C. Content / 6. Broad Content
7531 We don't assert private thoughts; the objects are part of what we assert [Russell]
18. Thought / E. Abstraction / 2. Abstracta by Selection
9104 A universal is the result of abstraction, which is only a kind of mental picturing [William of Ockham]
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]