Psychology Dictionary of Arguments

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Coextension: Coextension refers to the sharing of the extension or referring to the same objects or individuals. It is a concept used in logic and philosophy of language. See also Extension, Intension, Extensionality, Intensionality, Reference.
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Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments.

 
Author Concept Summary/Quotes Sources

Rudolf Carnap on Coextensive - Dictionary of Arguments

VI 43/4
Def Coextensive/Carnap: coextensive properties belong to the same class - pre-range: class of possible antecedents.
Def homogenous: is a relation, if pre- and post-range are isogenous.
Def constitute: reduce a concept to another one (reduction) - Problem: transformation rule.
>Element relation
, >Comprehension, >Sets, >Set theory, >Subsets.
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VI 48
Def Logical Complex/Carnap: if an object can be reduced to another one, we call it a complex of the other objects. Classes and relations are complexes. They do not consist of their elements.
>Complex/Carnap.

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Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. Translations: Dictionary of Arguments
The note [Concept/Author], [Author1]Vs[Author2] or [Author]Vs[term] resp. "problem:"/"solution:", "old:"/"new:" and "thesis:" is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition.

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

Ca II
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 IX
Rudolf Carnap
Wahrheit und Bewährung. Actes du Congrès International de Philosophie Scientifique fasc. 4, Induction et Probabilité, Paris, 1936
In
Wahrheitstheorien, Gunnar Skirbekk, Frankfurt/M. 1977

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


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