Indeterminacy, EPR and Bell

This article seeks to clarify certain key theoretical, conceptual and philosophical issues in the foundations of microphysics which, to judge from certain recent publications, continue to cause misunderstandings. In particular, we examine the Heisenberg indeterminacy relations, underlining that they are not univocally interpretable and that, at least in the interpretation following directly from the quantum formalism, they are not the target of Einstein, Podolsky and Rosen's criticism. We try to identify the essential goal and premises of this famous argument, with the help of a simple example. Finally, we examine briefly the Bell inequalities, emphasizing that, given their generality, the net consequence of their experimental violation cannot be circumvented neither by the abandonment of determinism nor by any local realistic reinterpretation of measurement results, as attempted in an article recently published in this journal.22191

Scientific realism confronts microphysics

The philosophical controversy about scientific realism, raised by the first scientific theories about the structure of matter, has come to life again in this century in regard to the conceptual and theoretical problems associated with microphysics. The present article attempts to clarify the precise nature of the debate and to show that the situation of microphysics, contrary to what is often thought, has no direct negative implications for the scientific realist standpoint.974173260662

HUME AND THE "DOGMA OF REDUCTIONISM"

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