Meaning of counterfactual statements in quantum physics
作者:
Henry P. Stapp,
期刊:
American Journal of Physics
(AIP Available online 1998)
卷期:
Volume 66,
issue 10
页码: 924-926
ISSN:0002-9505
年代: 1998
DOI:10.1119/1.18989
出版商: American Association of Physics Teachers
关键词: QUANTUM MECHANICS;LOCALITY;MATHEMATICAL MODELS;01.70;03.65
数据来源: AIP
摘要:
David Mermin suggests that my recent proof pertaining to quantum nonlocality is undermined by an essential ambiguity pertaining to the meaning of counterfactual statements in quantum physics. The ambiguity he cites arises from his imposition of a certain criterion for the meaningfulness of such counterfactual statements. That criterion conflates the meaning of a counterfactual statement with the details of a proof of its validity in such a way as to make the meaning of such a statement dependent upon the context in which it occurs. That dependence violates the normal demand in logic that the meaning of a statement be defined by the words in the statement itself, not by the context in which the statement occurs. My proof conforms to that normal requirement. I describe the context-independent meaning within my proof of the counterfactual statements in question.
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