Combining Philosophers
Ideas for Theodosius, Engelbretsen,G/Sayward,C and Blaise Pascal
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2 ideas
5. Theory of Logic / D. Assumptions for Logic / 3. Contradiction
10121
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Contradiction is not a sign of falsity, nor lack of contradiction a sign of truth [Pascal]
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5. Theory of Logic / D. Assumptions for Logic / 4. Identity in Logic
13851
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Unlike most other signs, = cannot be eliminated [Engelbretsen/Sayward]
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