Combining Texts
Ideas for
'Topics', 'Intro to the Philosophy of Time' and 'Philosophy of Logic'
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12 ideas
2. Reason / B. Laws of Thought / 3. Non-Contradiction
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9023
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If you say that a contradiction is true, you change the meaning of 'not', and so change the subject [Quine]
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2. Reason / C. Styles of Reason / 1. Dialectic
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12260
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Dialectic starts from generally accepted opinions [Aristotle]
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2. Reason / D. Definition / 1. Definitions
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12291
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There can't be one definition of two things, or two definitions of the same thing [Aristotle]
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12292
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Definitions are easily destroyed, since they can contain very many assertions [Aristotle]
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2. Reason / D. Definition / 5. Genus and Differentia
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12272
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We describe the essence of a particular thing by means of its differentiae [Aristotle]
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12279
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The differentia indicate the qualities, but not the essence [Aristotle]
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12283
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In definitions the first term to be assigned ought to be the genus [Aristotle]
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12289
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The genera and the differentiae are part of the essence [Aristotle]
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12261
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Differentia are generic, and belong with genus [Aristotle]
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12263
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'Genus' is part of the essence shared among several things [Aristotle]
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2. Reason / D. Definition / 6. Definition by Essence
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12285
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The definition is peculiar to one thing, not common to many [Aristotle]
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2. Reason / F. Fallacies / 2. Infinite Regress
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23000
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Vicious regresses force you to another level; non-vicious imply another level [Baron/Miller]
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