Combining Philosophers
Ideas for Herodotus, Owen Flanagan and Kurt Gdel
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7 ideas
5. Theory of Logic / K. Features of Logics / 1. Axiomatisation
17886
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The limitations of axiomatisation were revealed by the incompleteness theorems [Gödel, by Koellner]
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5. Theory of Logic / K. Features of Logics / 2. Consistency
10071
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Second Incompleteness: nice theories can't prove their own consistency [Gödel, by Smith,P]
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5. Theory of Logic / K. Features of Logics / 3. Soundness
19123
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If soundness can't be proved internally, 'reflection principles' can be added to assert soundness [Gödel, by Halbach/Leigh]
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5. Theory of Logic / K. Features of Logics / 5. Incompleteness
17883
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Gödel's Theorems did not refute the claim that all good mathematical questions have answers [Gödel, by Koellner]
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10621
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Gödel's First Theorem sabotages logicism, and the Second sabotages Hilbert's Programme [Smith,P on Gödel]
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17888
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The undecidable sentence can be decided at a 'higher' level in the system [Gödel]
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5. Theory of Logic / K. Features of Logics / 8. Enumerability
10038
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A logical system needs a syntactical survey of all possible expressions [Gödel]
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