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Ideas for
'On Man (lost)', 'Introduction to 'Absolute Generality'' and 'Thought'
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9 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
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3093
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Any two states are logically linked, by being entailed by their conjunction [Harman]
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5. Theory of Logic / A. Overview of Logic / 6. Classical Logic
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3098
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Deductive logic is the only logic there is [Harman]
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5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens
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3094
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You don't have to accept the conclusion of a valid argument [Harman]
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5. Theory of Logic / E. Structures of Logic / 1. Logical Form
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3084
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Our underlying predicates represent words in the language, not universal concepts [Harman]
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3080
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Logical form is the part of a sentence structure which involves logical elements [Harman]
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3081
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A theory of truth in a language must involve a theory of logical form [Harman]
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5. Theory of Logic / G. Quantification / 2. Domain of Quantification
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13449
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We could have unrestricted quantification without having an all-inclusive domain [Rayo/Uzquiano]
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13450
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Absolute generality is impossible, if there are indefinitely extensible concepts like sets and ordinals [Rayo/Uzquiano]
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5. Theory of Logic / G. Quantification / 5. Second-Order Quantification
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13453
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Perhaps second-order quantifications cover concepts of objects, rather than plain objects [Rayo/Uzquiano]
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