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A
counterexample in the theory of definable automorphisms
Martin Ziegler |
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Vol. 58 (1975), No. 2, 665–668
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Abstract |
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As it is well known, the groups of definable automorphisms of two elementary equivalent relational structures satisfy the same ∀1-statements. We show that this does not hold in general for ∀2-statements, thus correcting an error in the literature. |
Mathematical Subject Classification
Primary: 02H05
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Milestones
Received: 27 May 1974
Published: 1 June 1975
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Authors |
| Martin Ziegler | |
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