Philosophy Lexicon of Arguments

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Ramsey sentence, theory of science, philosophy: the Ramsey sentence of a theory makes the assertion that the theoretical terms of this theory refer to objects if the theory is true. See also theoretical entities, theoretical terms, existence, interpretation, theories, observation language, reference.
 
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IV 78
Ramsey-sentence/Lewis: eliminates theoretical terms in favor of bound variables. - "Carnap conditional: then divides the theory into two parts: a) analytical part of the theory: partial interpretation of the theoretical terms - b) synthetic part: the theoretical terms are eliminated here.
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IV 81
Ramsey-sentence/Lewis: says nothing more than that the theory is implemented - "Carnap sentence: is neutral as to whether it is implemented - Carnap sentence is a conditional of the Ramsey sentence and of the postulate of the theory - 1) the postulate: is logically equivalent to the conjunction of Ramsey and Carnap sentence - 2) the Ramsey sentence and the postulate imply exactly the same sentences in old theory -" 3) Carnap sentence implies no sentences of the old theory except logical truths -" Ramsey sentence: could simply replace the postulate (the new theory in a sentence).
Carnap: proposes to take the Ramsey sentence as synthetic postulate of T and the Carnap sentence as an analytical postulate of T - They share the work of the original postulate - postulate/Carnap: systematized the O sentences (old theory) and partially interpreted the theoretical terms.
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IV 89
Ramsey-sentence/Lewis: states that a theory has at least one implementation - this is weaker than our extended postulate/Lewis: this implies that the theory has been implemented once.
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IV 259
Ramsey-sentence/Lewis: wipes out the difference between intensional and extensional language - at the same time it eliminates technical vocabulary by existential quantification - "Ramsification" neutral level: there is a system of categories, S, N, X/Y, there are three relationships of expressions to things: A-tension, B-tension, C-tension.
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Schw I 218
Ramsey-sentence/Lewis/Schwarz: E.g. banana theory: there are things that are long-ish yellow fruits (can turn out to be wrong) -" Carnap-conditional: if there are things that are long-ish ..., then bananas are long-ish ...-" cannot turn out to be wrong (is analytical).

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


> Counter arguments against Lewis
> Counter arguments in relation to Ramsey Sentence



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Ed. Martin Schulz, access date 2017-05-27