Hostname: page-component-586b7cd67f-rdxmf Total loading time: 0 Render date: 2024-11-28T13:49:17.106Z Has data issue: false hasContentIssue false

Constructing strongly equivalent nonisomorphic models for unsuperstable theories, Part A

Published online by Cambridge University Press:  12 March 2014

Tapani Hyttinen
Affiliation:
Department of Mathematics, P. O. Box 4, 00014, University of Helsinki, Finland
Saharon Shelah
Affiliation:
Institute of Mathematics, The Hebrew University, Jerusalem, Israel Rutgers University, Hill Ctr-Busch, New Brunswick, New Jersey 08903

Abstract

We study how equivalent nonisomorphic models an unsuperstable theory can have. We measure the equivalence by Ehrenfeucht-Fraisse games. This paper continues the work started in [HT].

Type
Research Article
Copyright
Copyright © Association for Symbolic Logic 1994

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

[HS]Hyttinen, T. and Shelah, S., Constructing strongly equivalent nonisomorphic models for unsu-perstable theories, part B (to appear).Google Scholar
[HT]Hyttinen, T. and Tuuri, H., Constructing strongly equivalent nonisomorphic models for unstable theories, Annals of Pure and Applied Logic, vol. 52 (1991), pp. 203–248.CrossRefGoogle Scholar
[Je]Jech, T.. Set theory, Academic Press, New York, 1978.Google Scholar
[MSV]Mekler, A., Shela, S., and Väänänen, J, The Ehrenfeucht-Fraisse-game of length ω1, Transactions of the American Mathematical Society, vol. 339 (1983), pp. 567–580.Google Scholar
[Sh1]Shelah, S., Nonelementary classes: part II, Classification theory (Baldwin, J. T., editor) Lecture Notes in Mathematics, vol. 1292, Springer-Verlag, Berlin and New York. (1987).Google Scholar
[Sh2]Shelah, S., Classification theory, Studies in Logic and the Foundations of Mathematics (second edition), vol. 92, North-Holland. Amsterdam, 1990.Google Scholar
[Sh3]Shelah, S., Non-structure theory (to appear).Google Scholar