Combining Texts
Ideas for
'Parmenides', 'Rationality and Logic' and 'The Virtues and Human Nature'
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8 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 / 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 / F. Fallacies / 1. Fallacy
11070
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'Denying the antecedent' fallacy: φ→ψ, ¬φ, so ¬ψ [Hanna]
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11071
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'Affirming the consequent' fallacy: φ→ψ, ψ, so φ [Hanna]
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11088
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We can list at least fourteen informal fallacies [Hanna]
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2. Reason / F. Fallacies / 4. Circularity
11059
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Circular arguments are formally valid, though informally inadmissible [Hanna]
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2. Reason / F. Fallacies / 5. Fallacy of Composition
11089
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Formally, composition and division fallacies occur in mereology [Hanna]
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