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Ideas for
'The Boundary Stones of Thought', 'Model Theory' and 'Articulating Reasons: Intro to Inferentialism'
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5 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
18815
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Logic is higher-order laws which can expand the range of any sort of deduction [Rumfitt]
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5. Theory of Logic / A. Overview of Logic / 5. First-Order Logic
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Since first-order languages are complete, |= and |- have the same meaning [Hodges,W]
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5. Theory of Logic / A. Overview of Logic / 6. Classical Logic
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The case for classical logic rests on its rules, much more than on the Principle of Bivalence [Rumfitt]
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Classical logic rules cannot be proved, but various lines of attack can be repelled [Rumfitt]
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If truth-tables specify the connectives, classical logic must rely on Bivalence [Rumfitt]
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