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35th International Symposium on Multiple-Valued Logic (ISMVL'05)
On Prior's Three-Valued Modal Logic Q
University of Calgary, Canada
May 19-May 21
ISBN: 0-7695-2336-6
Seiki Akama, Teikyo Heisei University, Japan
Yasunori Nagata, University of the Ryukyus, Japan
Prior proposed a three-valued modal logic Q as a "correct" modal logic from his philosophical motivations. Unfortunately, Prior's Q and many-valued modal logic have been neglected in the tradition of many-valued and modal logic. In this paper, we introduce a version of three-valued Kripke semantics for Q, which aims to establish Prior's ideas based on possible worlds. We investigate formal properties of Q and prove the completeness theorem of Q. We also compare our approach with others.
Citation:
Seiki Akama, Yasunori Nagata, "On Prior's Three-Valued Modal Logic Q," ismvl, pp.14-19, 35th International Symposium on Multiple-Valued Logic (ISMVL'05), 2005
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