Combining Philosophers
Ideas for Epicurus, Aristotle and Proclus
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15 ideas
2. Reason / B. Laws of Thought / 3. Non-Contradiction
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23917
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Contrary statements can both be reasonable, if they are meant in two different ways [Aristotle]
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6561
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A thing cannot be both in and not-in the same thing (at a given time) [Aristotle]
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1602
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For Aristotle predication is regulated by Non-Contradiction, because underlying stability is essential [Roochnik on Aristotle]
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11281
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We cannot say that one thing both is and is not a man [Aristotle]
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11282
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Aristotle does not take the principle of non-contradiction for granted [Aristotle, by Politis]
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1601
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The most certain basic principle is that contradictories can't be true at the same time [Aristotle]
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2. Reason / B. Laws of Thought / 4. Contraries
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1698
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Both sides of contraries need not exist (as health without sickness, white without black) [Aristotle]
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608
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There is no middle ground in contradiction, but there is in contrariety [Aristotle]
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1697
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The contrary of good is bad, but the contrary of bad is either good or another evil [Aristotle]
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1684
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Two falsehoods can be contrary to one another [Aristotle]
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4333
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Contraries are by definition as far distant as possible from one another [Aristotle]
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1708
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In "Callias is just/not just/unjust", which of these are contraries? [Aristotle]
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24052
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From one thing alone we can infer its contrary [Aristotle]
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2. Reason / B. Laws of Thought / 5. Opposites
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627
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If everything is made of opposites, are the opposed things made of opposites? [Aristotle]
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628
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Not everything is composed of opposites; what, for example, is the opposite of matter? [Aristotle]
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