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Decision theory: Decision theory is the study of how to make optimal decisions in the face of uncertainty. It is a branch of applied probability theory and analytic philosophy. Decision theory uses mathematical models to represent decision problems and to identify the best decision to make in a given situation. These models take into account the different options that are available, the probabilities of different outcomes, and the value of different outcomes.
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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

David K. Lewis on Decision Theory - Dictionary of Arguments

V 307f
Decision Theory/DT/Lewis: partition/division)/Lewis: is a set of propositions, of which exactly one applies in each world (or each X-world) - provide the most detailed specification of the present actions (options) of the actor.
Decision theory: says which options are rational.
>Proposition/Lewis
.
Rational choice: delivers the greatest benefit expected.
Maximum benefit: if V(A) is not surpassed by any V(A™).
Problem: how do you find out that A applies. That one is living in the world A (= Proposition)?.
Important argument: it is in your power, to make the news yourself. That is, you find out what they like best by producing it.
V 309f
Non-Causal Decision Theory/Newcomb’s Paradox/NP/LewisVs: favors the rejection of small goods as rational - although this later choice does nothing to change the previous state, which favors the evil.
Newcomb's Paradox: requires a causal decision theory.
>Newcomb's paradox.
V 315
Non-causal decision theory: only works, because the beliefs of the actor allow it to function - ... + ... Partition of propositions (sets of possible worlds), expected benefits.
>Propositional Attitudes.
---
Schwarz I 66
Decision-making procedure/Lewis: the >modal realism ((s) maintaining the existence of possible worlds) is not a decision-making procedure to answer questions about possible worlds.
Decision-making procedure/Schwarz: E.g. is not used by behaviorists either: he simply says that statements about mental properties are reducible to statements about dispositions.
>Behaviorism, >Disposition.
E.g. mathematical Platonism: does not need decision-making procedure for arithmetics.
>Platonism.

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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.

Lewis I
David K. Lewis
Die Identität von Körper und Geist Frankfurt 1989

Lewis I (a)
David K. Lewis
An Argument for the Identity Theory, in: Journal of Philosophy 63 (1966)
In
Die Identität von Körper und Geist, , Frankfurt/M. 1989

Lewis I (b)
David K. Lewis
Psychophysical and Theoretical Identifications, in: Australasian Journal of Philosophy 50 (1972)
In
Die Identität von Körper und Geist, , Frankfurt/M. 1989

Lewis I (c)
David K. Lewis
Mad Pain and Martian Pain, Readings in Philosophy of Psychology, Vol. 1, Ned Block (ed.) Harvard University Press, 1980
In
Die Identität von Körper und Geist, , Frankfurt/M. 1989

Lewis II
David K. Lewis
"Languages and Language", in: K. Gunderson (Ed.), Minnesota Studies in the Philosophy of Science, Vol. VII, Language, Mind, and Knowledge, Minneapolis 1975, pp. 3-35
In
Handlung, Kommunikation, Bedeutung, Georg Meggle, Frankfurt/M. 1979

Lewis IV
David K. Lewis
Philosophical Papers Bd I New York Oxford 1983

Lewis V
David K. Lewis
Philosophical Papers Bd II New York Oxford 1986

Lewis VI
David K. Lewis
Convention. A Philosophical Study, Cambridge/MA 1969
German Edition:
Konventionen Berlin 1975

LewisCl
Clarence Irving Lewis
Collected Papers of Clarence Irving Lewis Stanford 1970

LewisCl I
Clarence Irving Lewis
Mind and the World Order: Outline of a Theory of Knowledge (Dover Books on Western Philosophy) 1991

Schw I
W. Schwarz
David Lewis Bielefeld 2005


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