Le Bihan, Soazig
(2020)
No Quantum Threat to Relativity.
UNSPECIFIED.
Abstract
Following Jarrett, Shimony, Hellman etc., an important school of interpretation of
Bell-type theorems is that parameter independence (PI) is a locality condition while
outcome independence (OI), and hence factorizability, are not. A recent series of
articles (e.g. Butterfield, 2007; Norsen, 2009; Norsen, 2011; Seevinck, 2010; Seevinck and Uffink, 2011) challenges this interpretation by appealing to Bell’s own analysis of “local causality”. In this article, a defense of the mainstream interpretation is offered. It is argued that Bell’s “local causality” is inadequate as a condition of locality in the stochastic case, and a proper condition is provided instead. The analysis of Stochastic Einstein Locality offered in Butterfield (2007) is also critically assessed. It is shown that the space-time version of PI is necessary, but not sufficient for locality. As for the space-time version of OI, it is argued that it is a version of the principle of common cause, and that it is not a locality condition.
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