Combining Texts
Ideas for
'Mathematical Methods in Philosophy', 'Continuity and Irrational Numbers' and 'Empty Names'
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8 ideas
5. Theory of Logic / A. Overview of Logic / 9. Philosophical Logic
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18739
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Three stages of philosophical logic: syntactic (1905-55), possible worlds (1963-85), widening (1990-) [Horsten/Pettigrew]
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5. Theory of Logic / E. Structures of Logic / 1. Logical Form
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18741
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Logical formalization makes concepts precise, and also shows their interrelation [Horsten/Pettigrew]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / a. Names
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18935
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Semantic theory should specify when an act of naming is successful [Sawyer]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / c. Names as referential
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18945
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Millians say a name just means its object [Sawyer]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / e. Empty names
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18934
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Sentences with empty names can be understood, be co-referential, and even be true [Sawyer]
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18938
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Frege's compositional account of truth-vaues makes 'Pegasus doesn't exist' neither true nor false [Sawyer]
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5. Theory of Logic / F. Referring in Logic / 2. Descriptions / c. Theory of definite descriptions
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18947
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Definites descriptions don't solve the empty names problem, because the properties may not exist [Sawyer]
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5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models
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18744
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Models are sets with functions and relations, and truth built up from the components [Horsten/Pettigrew]
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