Philosophy Lexicon of Arguments

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Extensionality, philosophy: (also extensionality principle, extensionality thesis) an attempt to make the language distinct by taking complete sets of denoted objects as the meaning of the referring words. See also extensions, intensions, extensional language, ambiguity, propositional attitudes.
 
Author Item Excerpt Meta data
Field, Hartry
 
Books on Amazon
Extensionality I 200
Extensional/Intensional/Extensionality/(s): 2nd order properties: non-extensional - "of" intensional E.g. "the redness-of-x" - Vs 2nd order logic - Field: e.g. rename real numbers as new properties of a certain kind.

Fie I
H. Field
Realism, Mathematics and Modality Oxford New York 1989

Fie II
H. Field
Truth and the Absence of Fact Oxford New York 2001

Fie III
H. Field
Science without numbers Princeton New Jersey 1980


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Ed. Martin Schulz, access date 2017-03-23