Philosophy Lexicon of Arguments

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Twodimensional semantics: Twodimensional are semantics that take into account both the properties of a situation described by a statement and the properties of the utterance situation (which need not be identical with the described situation). For example, the statement that one is at location A, B or C is true when it is uttered at location A, B or C (diagonalization). Statements of a particular form are always true, e.g. "I am here now". In this case, the entire two-dimensional matrix is assigned the value "true". Two-dimensional semantics go back to D. Kaplan (D. Kaplan, Demonstratives, in Perry & Wettstein (Eds.) Themes from Kaplan, Oxford, 1989, pp. 481-563). See also context/context dependency, diagonalization, diagonal propositions, A-intensions, C-intensions, Stalnaker intensions, character, content.

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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.

 
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Books on Amazon
V 16
Double indexing/double index/possible worlds/counterfactual conditional/Lewis: Counterfactual conditionals are contingent in general - so we need double indexing - i.e. that certain phrases are not absolutely true/false - but in relation to a world j - Let F be a special sentence which is true in j relative to i iff j f (A, i) (similar world) . - then F A > C is true in j relative to i, if j belongs to f (A, i), C is true in j ( If..., if...).
Definition operator $/spelling dollars for death Cross/Lewis: $ B is true in i relative to j iff B is true in i relative to i itself.
Definition counterfactual conditional/Lewis: - A >> C = definition $ N (F A > C) - so that we have a choice function brought into the object language.


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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.

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 2017-11-23