Combining Texts
Ideas for
'Parmenides', 'The Concept of Logical Consequence' and 'Letters to Voetius'
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5 ideas
5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence
18812
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Split out the logical vocabulary, make an assignment to the rest. It's logical if premises and conclusion match [Tarski, by Rumfitt]
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5. Theory of Logic / B. Logical Consequence / 4. Semantic Consequence |=
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X follows from sentences K iff every model of K also models X [Tarski]
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5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models
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A 'model' is a sequence of objects which satisfies a complete set of sentential functions [Tarski]
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5. Theory of Logic / L. Paradox / 3. Antinomies
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Plato found antinomies in ideas, Kant in space and time, and Bradley in relations [Plato, by Ryle]
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Plato's 'Parmenides' is perhaps the best collection of antinomies ever made [Russell on Plato]
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