Combining Texts
Ideas for
'Logic (Encyclopedia I)', 'Frege philosophy of mathematics' and 'Introduction to 'Virtues of Authenticity''
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10 ideas
9. Objects / A. Existence of Objects / 2. Abstract Objects / a. Nature of abstracta
9885
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The existence of abstract objects is a pseudo-problem [Dummett]
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9. Objects / A. Existence of Objects / 2. Abstract Objects / c. Modern abstracta
9858
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Abstract objects nowadays are those which are objective but not actual [Dummett]
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9859
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It is absurd to deny the Equator, on the grounds that it lacks causal powers [Dummett]
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9860
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'We've crossed the Equator' has truth-conditions, so accept the Equator - and it's an object [Dummett]
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9. Objects / A. Existence of Objects / 2. Abstract Objects / d. Problems with abstracta
9872
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Abstract objects need the context principle, since they can't be encountered directly [Dummett]
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9. Objects / B. Unity of Objects / 2. Substance / a. Substance
21981
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The one substance is formless without the mediation of dialectical concepts [Hegel]
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9. Objects / D. Essence of Objects / 6. Essence as Unifier
15637
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Essence is the essential self-positing unity of immediacy and mediation [Hegel]
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9. Objects / D. Essence of Objects / 14. Knowledge of Essences
15613
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Real cognition grasps a thing from within itself, and is not satisfied with mere predicates [Hegel]
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9. Objects / F. Identity among Objects / 2. Defining Identity
9848
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Content is replaceable if identical, so replaceability can't define identity [Dummett, by Dummett]
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9842
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Frege introduced criteria for identity, but thought defining identity was circular [Dummett]
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