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Existence of EF‐equivalent non‐isomorphic models
Authors:Chanoch Havlin  Saharon Shelah
Institution:1. Institute of Mathematics, The Hebrew University of Jerusalem, Jerusalem 91904, Israel;2. Department of Mathematics, Rutgers University, New Brunswick, NJ 08854, USA
Abstract:We prove the existence of pairs of models of the same cardinality λ which are very equivalent according to EF games, but not isomorphic. We continue the paper 4], but we do not rely on it. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Keywords:Model theory  infinitary logics  EF equivalent  non‐isomorphic
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