English

EF equivalent not isomorphic models

Logic 2007-09-25 v2

Abstract

We construct non-isomorphic models M, N, e.g. of cardinality aleph_1 such that in the Ehrenfeucht-Fraisse game of length zeta < omega_1 the isomorphism player wins

Keywords

Cite

@article{arxiv.0705.4126,
  title  = {EF equivalent not isomorphic models},
  author = {Saharon Shelah},
  journal= {arXiv preprint arXiv:0705.4126},
  year   = {2007}
}
R2 v1 2026-06-21T08:32:49.148Z