[FOM] Rules for distinguishing models of S5
gpayette at dal.ca
Sat Sep 27 19:50:43 EDT 2014
Hi, I am wondering if anyone has the unpublished paper by Lloyd Humberstone on using rules, rather than axioms, to distinguish universal models of S5 from those based on a general equivalence relation?
I think it was written in the 1980s.
Banting Postdoctoral Fellow
Department of Philosophy
University of British Columbia
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