Abstract
We investigate the higher-order modal logic $S_{\omega}I$, which is a variant of the system $S_{\omega}$ presented in our previous work. A semantics for that system, founded on the theory of quasi sets, is outlined. We show how such a semantics, motivated by the very intuitive base of Schrödinger logics, provides an alternative way to formalize some intensional concepts and features which have been used in recent discussions on the logical foundations of quantum mechanics; for example, that some terms like 'electron' have no precise reference and that 'identical' particles cannot be named unambiguously. In the last section, we sketch a classical semantics for quasi set theory.
Citation
Décio Krause. Newton C. A. da Costa. "An Intensional Schrödinger Logic." Notre Dame J. Formal Logic 38 (2) 179 - 194, Spring 1997. https://doi.org/10.1305/ndjfl/1039724886
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