Combining Philosophers
Ideas for Eubulides, J Ladyman / D Ross and Dag Prawitz
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9 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
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13831
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Logic is based on transitions between sentences [Prawitz]
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5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence
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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 / C. Ontology of Logic / 1. Ontology of Logic
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14943
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Maybe mathematical logic rests on information-processing [Ladyman/Ross]
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5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
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13825
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Natural deduction introduction rules may represent 'definitions' of logical connectives [Prawitz]
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5. Theory of Logic / H. Proof Systems / 4. Natural Deduction
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13823
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In natural deduction, inferences are atomic steps involving just one logical constant [Prawitz]
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5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models
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13826
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Model theory looks at valid sentences and consequence, but not how we know these things [Prawitz]
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5. Theory of Logic / L. Paradox / 1. Paradox
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6007
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If you know your father, but don't recognise your father veiled, you know and don't know the same person [Eubulides, by Dancy,R]
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5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / a. The Liar paradox
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6006
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If you say truly that you are lying, you are lying [Eubulides, by Dancy,R]
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5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / b. The Heap paradox ('Sorites')
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6008
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Removing one grain doesn't destroy a heap, so a heap can't be destroyed [Eubulides, by Dancy,R]
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