International Journal of Theoretical Physics

, Volume 28, Issue 2, pp 159–168

The Leibniz principle in quantum logic

  • Roberto Giuntini
  • Peter Mittelstaedt

DOI: 10.1007/BF00669807

Cite this article as:
Giuntini, R. & Mittelstaedt, P. Int J Theor Phys (1989) 28: 159. doi:10.1007/BF00669807


The principle of the “identity of indiscernibles” (Leibniz Principle) is investigated within the framework of the formal language of quantum physics, which is given by an orthomodular lattice. We show that the validity of this principle is based on very strong preconditions (concerning the existence of convenient predicates) which are given in the language of classical physics but which cannot be fulfilled in orthomodular quantum logic.

Copyright information

© Plenum Publishing Corporation 1989

Authors and Affiliations

  • Roberto Giuntini
    • 1
  • Peter Mittelstaedt
    • 1
  1. 1.University of CologneCologneWest Germany

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