Michael Katz. The logic of approximation in quantum theory. J. Philosophical Logic, 11(2):215-228, 1982. [doi]
@article{Katz82-2,
title = {The logic of approximation in quantum theory},
author = {Michael Katz},
year = {1982},
doi = {10.1007/BF00278384},
url = {http://dx.doi.org/10.1007/BF00278384},
researchr = {https://researchr.org/publication/Katz82-2},
cites = {0},
citedby = {0},
journal = {J. Philosophical Logic},
volume = {11},
number = {2},
pages = {215-228},
}