Combining Texts
Ideas for
'Function and Concept', 'Dialogues Concerning Natural Religion' and 'On the General Idea of Proof Theory'
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4 ideas
5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence
13827
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Logical consequence isn't a black box (Tarski's approach); we should explain how arguments work [Prawitz]
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5. Theory of Logic / E. Structures of Logic / 5. Functions in Logic
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First-level functions have objects as arguments; second-level functions take functions as arguments [Frege]
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5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic
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Relations are functions with two arguments [Frege]
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5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models
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Model theory looks at valid sentences and consequence, but not how we know these things [Prawitz]
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