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    • Unifiability In Extensions Of K4 

      Gencer, Çiğdem; De Jongh, Dick (Oxford Univ Press, Great Clarendon St, Oxford Ox2 6Dp, England, 2009-04)
      We extend and generalize the work on unifiability of [8]. We give a semantic characterization for unifiability and non-unifiability in the extensions of K4. We apply this in particular to extensions of KD4, GL and K4.3 to ...