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
Carnap, Rudolf
 
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Extensionality VI XXI
extensional method / ext. language / Carnap: self-criticism (1961): random extension equality (scope equality) of terms is not sufficient - it must consist necessarily -

Extensionality thesis/ Carnap: all statements are extensional - later (1961) weaker: every non-extensional statement is translatable into a logically equivalent statement in an ext. language.

Ca I
R. Carnap
Die alte und die neue Logik
In
Wahrheitstheorien, G. Skirbekk (Hg), Frankfurt 1996

Ca III
R. Carnap
Philosophie als logische Syntax
In
Philosophie im 20.Jahrhundert, Bd II, A. Hügli/P.Lübcke (Hg), Reinbek 1993

Ca IV
R. Carnap
Mein Weg in die Philosophie Stuttgart 1992

Ca VI
R. Carnap
Der Logische Aufbau der Welt Hamburg 1998

CA VII = PiS
R. Carnap
Sinn und Synonymität in natürlichen Sprachen
In
Zur Philosophie der idealen Sprache, J. Sinnreich (Hg), München 1982

Ca VIII (= PiS)
R. Carnap
Über einige Begriffe der Pragmatik
In
Zur Philosophie der idealen Sprache, J. Sinnreich (Hg), München 1982


> Counter arguments against Carnap
> Counter arguments in relation to Extensionality



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Ed. Martin Schulz, access date 2017-03-30