In Jennifer Lackey (ed.), Essays in Collective Epistemology. Oxford University Press. pp. 240-249 (2014)

Authors
Christian List
Ludwig Maximilians Universität, München
Abstract
Pettit (2006) argues that deferring to majority testimony is not generally rational: it may lead to inconsistent beliefs. He suggests that “another ... approach will do better”: deferring to supermajority testimony. But this approach may also lead to inconsistencies. In this paper, I describe conditions under which deference to supermajority testimony ensures consistency, and conditions under which it does not. I also introduce the concept of “consistency of degree k”, which is weaker than full consistency by ruling out only “blatant” inconsistencies in an agent’s beliefs while permitting less blatant ones, and show that, while super-majoritarian deference often fails to ensure full consistency, it is a route to consistency in this weaker sense.
Keywords Social epistemology  Testimony  Majority deference  Supermajority deference  Judgment aggregation  K-consistency  Blatant inconsistency
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References found in this work BETA

Reasons and Persons.Derek Parfit - 1984 - Oxford University Press.
Political Liberalism.John Rawls - 1993 - Columbia University Press.

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Citations of this work BETA

Local Supermajorities.Fabrizio Cariani - 2016 - Erkenntnis 81 (2):391-406.
Aggregating Causal Judgments.Richard Bradley, Franz Dietrich & Christian List - 2014 - Philosophy of Science 81 (4):491-515.

View all 8 citations / Add more citations

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