On Einstein's Reality Criterion
from MCMP – Philosophy of Science
Gábor Hofer-Szabó (Hungarian Academy of Sciences) gives a talk at the MCMP Colloquium (28 May, 2015) titled "On Einstein's Reality Criterion". Abstract: In the talk we characterize the different interpretations of QM in an operationalist-frequentist framework and show what entities the different interpretations posit. We define completeness and correctness of an interpretation in terms of how this posited ontology relates to the "real world ontology" posited by principles independent of the interpretations. We argue that the Reality Criterion is just such a principle. We also argue that the EPR argument, making use of the Reality Criterion, is devised to show that certain interpretations of QM are incomplete, whereas Einstein's latter arguments, making no use of the Reality Criterion, are devised to show that the Copenhagen interpretation is simply wrong. Next, investigating the nature of prediction, an essential part of the Reality Criterion, we formulate two hypothesis: (i) the Reality Criterion is a special case of Reichenbach's Common Cause Principle; (ii) it is a special case of Bell's Local Causality Principle.
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