Combining Texts
Ideas for
'works', 'The Nature of Mathematical Knowledge' and 'Frege's Concept of Numbers as Objects'
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5 ideas
18. Thought / A. Modes of Thought / 5. Rationality / c. Animal rationality
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Aristotle and the Stoics denied rationality to animals, while Platonists affirmed it [Aristotle, by Sorabji]
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18. Thought / D. Concepts / 1. Concepts / a. Nature of concepts
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A concept is only a sortal if it gives genuine identity [Wright,C]
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'Sortal' concepts show kinds, use indefinite articles, and require grasping identities [Wright,C]
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18. Thought / D. Concepts / 4. Structure of Concepts / b. Analysis of concepts
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Entities fall under a sortal concept if they can be used to explain identity statements concerning them [Wright,C]
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18. Thought / E. Abstraction / 7. Abstracta by Equivalence
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If we can establish directions from lines and parallelism, we were already committed to directions [Wright,C]
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