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Logic, Language, and the Liar Paradox

By Martin Pleitz

Product Image: Logic, Language, and the Liar Paradox

Logic, Language, and the Liar Paradox

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Description
The Liar paradox arises when we consider a sentence that says of itself that it is not true. If such self-referential sentences exist – and examples like »This sentence is not true« certainly suggest this –, then our logic and standard notion of truth allow to infer a contradiction: The Liar sentence is true and not true. What has gone wrong? Must we revise our notion of truth and our logic? Or can we dispel the common conviction that there are such self-referential sentences? The present study explores the second path. After comparing the Liar reasoning in formal and informal logic and showing that there are no Gödelian Liar sentences, the study moves on from the semantics of self-reference to the metaphysics of expressions and proposes a novel solution to the Liar paradox: Meaningful expressions are distinct from their syntactic bases and exist only relative to contexts. Detailed semantico-metaphysical arguments show that in this dynamic setting, an object can be referred to only after it has started to exist. Hence the circular reference needed in the Liar paradox cannot occur, after all. As this solution is contextualist, it evades the expressibility problems of other proposals.
Product details
Binding:
Paperback
Edition:
1
Number of Pages:
651
Release Date:
2018-05-01
Publication Date:
2018-03-02
Publisher:
Brill | mentis
Languages:
Original: German, Original: English
ISBN10:
3957430348
ISBN13:
9783957430342
GPSR Manufacturer Reference:
[email protected]
Weight:
958 g
Height:
154 cm
Width:
233 cm
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