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Ideas for
'fragments/reports', 'On Relations of Universals and Particulars' and 'Grundlagen der Arithmetik (Foundations)'
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18 ideas
18. Thought / A. Modes of Thought / 1. Thought
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8620
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Thought is the same everywhere, and the laws of thought do not vary [Frege]
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18. Thought / D. Concepts / 1. Concepts / a. Nature of concepts
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9870
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Early Frege takes the extensions of concepts for granted [Frege, by Dummett]
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18. Thought / D. Concepts / 3. Ontology of Concepts / c. Fregean concepts
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13878
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Concepts are, precisely, the references of predicates [Frege, by Wright,C]
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7736
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A concept is a non-psychological one-place function asserting something of an object [Frege, by Weiner]
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17430
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Fregean concepts have precise boundaries and universal applicability [Frege, by Koslicki]
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8622
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Psychological accounts of concepts are subjective, and ultimately destroy truth [Frege]
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18. Thought / D. Concepts / 5. Concepts and Language / b. Concepts are linguistic
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8651
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A concept is a possible predicate of a singular judgement [Frege]
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18. Thought / E. Abstraction / 1. Abstract Thought
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9846
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Defining 'direction' by parallelism doesn't tell you whether direction is a line [Dummett on Frege]
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18. Thought / E. Abstraction / 2. Abstracta by Selection
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9976
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Frege accepts abstraction to the concept of all sets equipollent to a given one [Tait on Frege]
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18. Thought / E. Abstraction / 3. Abstracta by Ignoring
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10803
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Frege himself abstracts away from tone and color [Yablo on Frege]
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9988
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If we abstract 'from' two cats, the units are not black or white, or cats [Tait on Frege]
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18. Thought / E. Abstraction / 7. Abstracta by Equivalence
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9855
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Frege's logical abstaction identifies a common feature as the maximal set of equivalent objects [Frege, by Dummett]
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10802
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Frege's 'parallel' and 'direction' don't have the same content, as we grasp 'parallel' first [Yablo on Frege]
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10525
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Frege put the idea of abstraction on a rigorous footing [Frege, by Fine,K]
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10526
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Fregean abstraction creates concepts which are equivalences between initial items [Frege, by Fine,K]
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10556
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We create new abstract concepts by carving up the content in a different way [Frege]
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9882
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You can't simultaneously fix the truth-conditions of a sentence and the domain of its variables [Dummett on Frege]
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9881
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From basing 'parallel' on identity of direction, Frege got all abstractions from identity statements [Frege, by Dummett]
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