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Reasons without Persons – Rationality, Identity, and Time - Oxford Scholarship Online
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Reasons without Persons: Rationality, Identity, and Time

Brian Hedden


This book is an extended defense of Time-Slice Rationality, the view that for purposes of rational evaluation, the relationship between two time-slices of the same person is not importantly different from the relationship between time-slices of distinct persons. The locus of rationality is the time-slice rather than the temporally extended agent. What you rationally ought to believe, desire, or do at a time depends only on your mental states at that time. It does not depend on what you believe, desire, or do at other times. Time-Slice Rationality is motivated by two goals. The first is to insu ... More

Keywords: rationality, Parfit, time-slice, Bayesianism, personal identity

Bibliographic Information

Print publication date: 2015 Print ISBN-13: 9780198732594
Published to Oxford Scholarship Online: October 2015 DOI:10.1093/acprof:oso/9780198732594.001.0001


Affiliations are at time of print publication.

Brian Hedden, author
University of Sydney