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'Wisdom', 'fragments/reports' and 'Logicism and Ontological Commits. of Arithmetic'
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5 ideas
5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic
10015
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Higher-order logic may be unintelligible, but it isn't set theory [Hodes]
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5. Theory of Logic / D. Assumptions for Logic / 4. Identity in Logic
10011
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Identity is a level one relation with a second-order definition [Hodes]
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5. Theory of Logic / E. Structures of Logic / 1. Logical Form
21400
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Stoics avoided universals by paraphrasing 'Man is...' as 'If something is a man, then it is...' [Stoic school, by Long]
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5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not
20788
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The contradictory of a contradictory is an affirmation [Stoic school, by Diog. Laertius]
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5. Theory of Logic / I. Semantics of Logic / 1. Semantics of Logic
10016
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When an 'interpretation' creates a model based on truth, this doesn't include Fregean 'sense' [Hodes]
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