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'', 'Second Commentary on 'Isagoge'' and 'Semantic Relationism'
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10 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
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11211
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If a sound conclusion comes from two errors that cancel out, the path of the argument must matter [Rumfitt]
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5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
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11210
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Standardly 'and' and 'but' are held to have the same sense by having the same truth table [Rumfitt]
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11212
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The sense of a connective comes from primitively obvious rules of inference [Rumfitt]
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5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic
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15590
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It seemed that Frege gave the syntax for variables, and Tarski the semantics, and that was that [Fine,K]
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15591
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In separate expressions variables seem identical in role, but in the same expression they aren't [Fine,K]
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15595
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The 'algebraic' account of variables reduces quantification to the algebra of its component parts [Fine,K]
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15594
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'Instantial' accounts of variables say we grasp arbitrary instances from their use in quantification [Fine,K]
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15592
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The usual Tarskian interpretation of variables is to specify their range of values [Fine,K]
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15593
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Variables can be viewed as special terms - functions taking assignments into individuals [Fine,K]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / b. Names as descriptive
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15599
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Cicero/Cicero and Cicero/Tully may differ in relationship, despite being semantically the same [Fine,K]
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