Sh:836

• Shelah, S. (2006). On long EF-equivalence in non-isomorphic models. In Logic Colloquium ’03, Vol. 24, Assoc. Symbol. Logic, La Jolla, CA, pp. 315–325. arXiv: math/0404222 MR: 2207360
• Abstract:
  There has been much interest on constructing models which are not isomorphic of cardinality \lambda but are equivalent under the Ehrenfeucht–Fraissé game of length \alpha even for every \alpha< \lambda. So under G.C.H. we know much. We deal here with constructions of such pairs of models proven in ZFC and get the existence under mild conditions.
• Version 2007-08-16_11 (26p) published version (11p)

@incollection{Sh:836,
 author = {Shelah, Saharon},
 title = {{On long EF-equivalence in non-isomorphic models}},
 booktitle = {{Logic Colloquium '03}},
 series = {Lect. Notes Log.},
 volume = {24},
 year = {2006},
 pages = {315--325},
 publisher = {Assoc. Symbol. Logic, La Jolla, CA},
 mrnumber = {2207360},
 mrclass = {03C55},
 note = {\href{https://arxiv.org/abs/math/0404222}{arXiv: math/0404222}},
 arxiv_number = {math/0404222}
}