EF equivalent not isomorphic models

Shelah, Saharon

EF equivalent not isomorphic models

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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

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Logic

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http://salesiana.dossiersoluciones.com/handle/123456789/138552

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0705.4126
http://arxiv.org/abs/0705.4126
Proc. Amer. Math. Soc. 136 No. 12 (2008) 4405--4412

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EF equivalent not isomorphic models

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