Repository URL:
http://philsci-archive.pitt.edu/id/eprint/1263
Author(s):
Ehud Hrushovski, Itamar Pitowsky
preprint description
Kochen and Specker's theorem can be seen as a consequence of Gleason's theorem and logical compactness. Similar compactness arguments lead to stronger results about finite sets of rays in Hilbert space, which we also prove by a direct construction. Finally, we demonstrate that Gleason's theorem itself has a constructive proof, based on a generic, finite, effectively generated set of rays, on which every quantum state can be approximated.

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