Philosophy Lexicon of Arguments

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Extension, philosophy: an object, for example, the planet Venus as a material body, independent from the manner in which it is singled out. In contrast, intension is the way in which the object is given or is represented, e.g. Morning star or Evening star. See also intensions, identity, identity conditions, reference, meaning, assertibility conditions, propositional attitudes, opacity.
 
Author Item Excerpt Meta data
Lewis, David
 
Books on Amazon
Extensions IV 254
Extension/tradition: e.g. of sentences: = truth values (Frege) - Lewis: new: instead: extensions are functions of indices on truth values - N.B.: these functions are suitable intensions, but unsuitable extensions for sentences - they are suitable only for names.

LW I
D. Lewis
Die Identität von Körper und Geist Frankfurt 1989

LW II
D. Lewis
Konventionen Berlin 1975

LW IV
D. Lewis
Philosophical Papers Bd I New York Oxford 1983

LW V
D. Lewis
Philosophical Papers Bd II New York Oxford 1986

LwCl I
Cl. I. Lewis
Mind and the World Order: Outline of a Theory of Knowledge (Dover Books on Western Philosophy) 1991


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Ed. Martin Schulz, access date 2017-04-30