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'', 'Causation' and 'works'
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6 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
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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 / A. Overview of Logic / 4. Pure Logic
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There is no clear boundary between the logical and the non-logical [Tarski]
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5. Theory of Logic / B. Logical Consequence / 4. Semantic Consequence |=
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Logical consequence is when in any model in which the premises are true, the conclusion is true [Tarski, by Beall/Restall]
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Logical consequence: true premises give true conclusions under all interpretations [Tarski, by Hodges,W]
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5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
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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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The sense of a connective comes from primitively obvious rules of inference [Rumfitt]
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