Repository URL:
http://philsci-archive.pitt.edu/id/eprint/4162
Author(s):
Manchak, John Byron
preprint description
Here, we briefly review the notion of observational indistinguishability within the context of classical general relativity. We settle a conjecture given by Malament (1977) concerning the subject and then strengthen the result considerably. The upshot is this: There seems to be a robust sense in which the global structure of every cosmological model is underdetermined.

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