Combining Texts
Ideas for
'Parmenides', 'The Semantic Conception of Truth' and 'Categories'
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7 ideas
2. Reason / A. Nature of Reason / 1. On Reason
224
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When questions are doubtful we should concentrate not on objects but on ideas of the intellect [Plato]
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2. Reason / B. Laws of Thought / 4. Contraries
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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1698
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Both sides of contraries need not exist (as health without sickness, white without black) [Aristotle]
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2. Reason / B. Laws of Thought / 5. Opposites
232
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Opposites are as unlike as possible [Plato]
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2. Reason / C. Styles of Reason / 1. Dialectic
8937
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Plato's 'Parmenides' is the greatest artistic achievement of the ancient dialectic [Hegel on Plato]
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2. Reason / D. Definition / 1. Definitions
19179
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For a definition we need the words or concepts used, the rules, and the structure of the language [Tarski]
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2. Reason / F. Fallacies / 8. Category Mistake / a. Category mistakes
11034
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The differentiae of genera which are different are themselves different in kind [Aristotle]
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