Combining Philosophers
Ideas for Eubulides, Henry Laycock and Rod Girle
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7 ideas
5. Theory of Logic / B. Logical Consequence / 7. Strict Implication
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7789
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Necessary implication is called 'strict implication'; if successful, it is called 'entailment' [Girle]
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5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic
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12797
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If plural variables have 'some values', then non-count variables have 'some value' [Laycock]
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5. Theory of Logic / G. Quantification / 6. Plural Quantification
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12794
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Plurals are semantical but not ontological [Laycock]
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5. Theory of Logic / H. Proof Systems / 5. Tableau Proof
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7790
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If an argument is invalid, a truth tree will indicate a counter-example [Girle]
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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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