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Existence of EF‐equivalent non‐isomorphic models
Author(s) -
Havlin Chanoch,
Shelah Saharon
Publication year - 2007
Publication title -
mathematical logic quarterly
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.473
H-Index - 28
eISSN - 1521-3870
pISSN - 0942-5616
DOI - 10.1002/malq.200610031
Subject(s) - cardinality (data modeling) , mathematics , combinatorics , discrete mathematics , computer science , data mining
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)