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The aggregation of propositional attitudes: towards a general theory

Dietrich, Franz and List, Christian (2008) The aggregation of propositional attitudes: towards a general theory. LSE Choice Group working paper series, vol. 4, no. 4. The Centre for Philosophy of Natural and Social Science (CPNSS), London School of Economics, London, UK.

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Abstract

How can the propositional attitudes of several individuals be aggregated into overall collective propositional attitudes? Although there are large bodies of work on the aggregation of various special kinds of propositional attitudes, such as preferences, judgments, probabilities and utilities, the aggregation of propositional attitudes is seldom studied in full generality. In this paper, we seek to contribute to filling this gap in the literature. We sketch the ingredients of a general theory of propositional attitude aggregation and prove two new theorems. Our first theorem simultaneously characterizes some prominent aggregation rules in the cases of probability, judgment and preference aggregation, including linear opinion pooling and Arrovian dictatorships. Our second theorem abstracts even further from the specific kinds of attitudes in question and describes the properties of a large class of aggrega tion rules applicable to a variety of belief-like attitudes. Our approach integrates some previously disconnected areas of investigation.

Item Type: Monograph (Working Paper)
Official URL: http://www2.lse.ac.uk/CPNSS/Home.aspx
Additional Information: © 2008 The authors
Library of Congress subject classification: B Philosophy. Psychology. Religion > B Philosophy (General)
K Law > K Law (General)
Sets: Research centres and groups > LSE Choice Group
Research centres and groups > Centre for Philosophy of Natural and Social Science (CPNSS)
Rights: http://www.lse.ac.uk/library/usingTheLibrary/academicSupport/OA/depositYourResearch.aspx
Identification Number: vol. 4, no. 4
Date Deposited: 01 May 2009 12:30
URL: http://eprints.lse.ac.uk/23856/

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