Journal of Symbolic Logic
- J. Symbolic Logic
- Volume 53, Issue 3 (1988), 846-853.
Isomorphic but not Lower Base-Isomorphic Cylindric Set Algebras
This paper belongs to cylindric-algebraic model theory understood in the sense of algebraic logic. We show the existence of isomorphic but not lower base-isomorphic cylindric set algebras. These algebras are regular and locally finite. This solves a problem raised in [N 83] which was implicitly present also in [HMTAN 81]. This result implies that a theorem of Vaught for prime models of countable languages does not continue to hold for languages of any greater power.
J. Symbolic Logic, Volume 53, Issue 3 (1988), 846-853.
First available in Project Euclid: 6 July 2007
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Biro, B.; Shelah, S. Isomorphic but not Lower Base-Isomorphic Cylindric Set Algebras. J. Symbolic Logic 53 (1988), no. 3, 846--853. https://projecteuclid.org/euclid.jsl/1183742724