Combining Texts
Ideas for
'Parmenides', 'Function and Concept' and 'Senses of Essence'
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7 ideas
5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
11175
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Logical concepts rest on certain inferences, not on facts about implications [Fine,K]
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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 / F. Referring in Logic / 3. Property (λ-) Abstraction
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The property of Property Abstraction says any suitable condition must imply a property [Fine,K]
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5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth
11174
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A logical truth is true in virtue of the nature of the logical concepts [Fine,K]
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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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