Combining Texts
Ideas for
'works', 'Grundgesetze der Arithmetik 2 (Basic Laws)' and 'First-order Logic, 2nd-order, Completeness'
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7 ideas
2. Reason / A. Nature of Reason / 2. Logos
1575
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For Aristotle logos is essentially the ability to talk rationally about questions of value [Roochnik on Aristotle]
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2. Reason / A. Nature of Reason / 4. Aims of Reason
1589
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Aristotle is the supreme optimist about the ability of logos to explain nature [Roochnik on Aristotle]
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2. Reason / D. Definition / 2. Aims of Definition
13886
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Later Frege held that definitions must fix a function's value for every possible argument [Frege, by Wright,C]
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2. Reason / D. Definition / 4. Real Definition
8200
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Aristotelian definitions aim to give the essential properties of the thing defined [Aristotle, by Quine]
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2. Reason / D. Definition / 5. Genus and Differentia
4385
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Aristotelian definition involves first stating the genus, then the differentia of the thing [Aristotle, by Urmson]
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2. Reason / D. Definition / 7. Contextual Definition
9845
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We can't define a word by defining an expression containing it, as the remaining parts are a problem [Frege]
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2. Reason / D. Definition / 11. Ostensive Definition
10019
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Only what is logically complex can be defined; what is simple must be pointed to [Frege]
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