Combining Texts

All the ideas for 'Locke on Essences and Kinds', 'Frege's Theory of Numbers' and 'Nonexistent Objects'

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6 ideas

6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / c. Counting procedure

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Parsons says counting is tagging as first, second, third..., and converting the last to a cardinal [Parsons,C, by Heck]

9. Objects / A. Existence of Objects / 4. Impossible objects

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There is an object for every set of properties (some of which exist, and others don't) [Parsons,T, by Sawyer]

9. Objects / D. Essence of Objects / 13. Nominal Essence

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If kinds depend only on what can be observed, many underlying essences might produce the same kind [Eagle]

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Nominal essence are the observable properties of things [Eagle]

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Nominal essence mistakenly gives equal weight to all underlying properties that produce appearances [Eagle]

26. Natural Theory / B. Natural Kinds / 4. Source of Kinds

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Kinds are fixed by the essential properties of things - the properties that make it that kind of thing [Eagle]