Foundations of Physics

, Volume 24, Issue 8, pp 1161–1177 | Cite as

Partial and unsharp quantum logics

  • M. L. Dalla Chiara
  • R. Giuntini
Part I. Invited Papers Dedicated to Constantin Piron


The total and the sharp character of orthodox quantum logic has been put in question in different contexts. This paper presents the basic ideas for a unified approach to partial and unsharp forms of quantum logic. We prove a completeness theorem for some partial logics based on orthoalgebras and orthomodular posets. We introduce the notion of unsharp orthoalgebra and of generalized MV algebra. The class of all effects of any Hilbert space gives rise to particular examples of these structures. Finally, we investigate the relationship between unsharp orthoalgebras, generalized MV algebras, and orthomodular lattices.


Hilbert Space Unify Approach Quantum Logic Orthomodular Lattice Completeness Theorem 
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Copyright information

© Plenum Publishing Corporation 1994

Authors and Affiliations

  • M. L. Dalla Chiara
    • 1
  • R. Giuntini
    • 1
  1. 1.Dipartimento di FilosofiaUniversità di FirenzeFirenzeItaly

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