[SydPhil] Brian Hedden: Reasons, Coherence and Group Rationality

Kristie Miller kristie_miller at yahoo.com
Mon Aug 22 09:09:43 AEST 2016

Dear all

Our current projects speaker the Thursday (3.00 in the Muniment room) will be Brian Hedden:

Title: Reasons, Coherence, and Group Rationality

What beliefs ought a group to have? A widespread presupposition is that group-level beliefs should be a function of the beliefs of the group's members. A host of impossibility theorems show that no such aggregation function can satisfy intuitively attractive constraints while ensuring coherent group-level beliefs. I argue that this presupposition is false. Group-level beliefs should be a function of group-level evidence, not individual-level beliefs. This allows for a theory of group rationality that (i) bypasses a host of pessimistic results in the literature on judgment aggregation and (ii) treats rational individual-level attitudes and rational group-level attitudes in parallel. 

See you all there.

Associate Professor Kristie Miller
Senior ARC Research Fellow
Joint Director, the Centre for Time
School of Philosophical and Historical Inquiry and
The Centre for Time
The University of Sydney
Sydney Australia
Room 407, A 14

kmiller at usyd.edu.au
kristie_miller at yahoo.com
Ph: +612 9036 9663

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