Combining Philosophers
Ideas for Anaxarchus, Joseph Melia and Kent Bach
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8 ideas
5. Theory of Logic / C. Ontology of Logic / 1. Ontology of Logic
10454
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In first-order we can't just assert existence, and it is very hard to deny something's existence [Bach]
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5. Theory of Logic / E. Structures of Logic / 3. Constants in Logic
10453
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In logic constants play the role of proper names [Bach]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / b. Names as descriptive
10452
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Proper names can be non-referential - even predicate as well as attributive uses [Bach]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / c. Names as referential
10456
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Millian names struggle with existence, empty names, identities and attitude ascription [Bach]
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5. Theory of Logic / F. Referring in Logic / 2. Descriptions / a. Descriptions
10440
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An object can be described without being referred to [Bach]
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5. Theory of Logic / F. Referring in Logic / 2. Descriptions / b. Definite descriptions
10444
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Definite descriptions can be used to refer, but are not semantically referential [Bach]
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5. Theory of Logic / G. Quantification / 5. Second-Order Quantification
5740
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Second-order logic needs second-order variables and quantification into predicate position [Melia]
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5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models
5741
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If every model that makes premises true also makes conclusion true, the argument is valid [Melia]
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