Combining Texts
Ideas for
'On the Philosophy of Logic', 'Frege Philosophy of Language (2nd ed)' and 'Lectures 1930-32 (student notes)'
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8 ideas
7. Existence / C. Structure of Existence / 7. Abstract/Concrete / a. Abstract/concrete
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We can't say that light is concrete but radio waves abstract [Dummett]
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10515
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Ostension is possible for concreta; abstracta can only be referred to via other objects [Dummett, by Hale]
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10544
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The concrete/abstract distinction seems crude: in which category is the Mistral? [Dummett]
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10546
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We don't need a sharp concrete/abstract distinction [Dummett]
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7. Existence / D. Theories of Reality / 8. Facts / b. Types of fact
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There are no positive or negative facts; these are just the forms of propositions [Wittgenstein]
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7. Existence / D. Theories of Reality / 10. Vagueness / g. Degrees of vagueness
8946
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We could make our intuitions about heaps precise with a million-valued logic [Fisher]
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7. Existence / D. Theories of Reality / 11. Ontological Commitment / a. Ontological commitment
10548
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The context principle for names rules out a special philosophical sense for 'existence' [Dummett]
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10281
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The objects we recognise the world as containing depends on the structure of our language [Dummett]
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