Abstract.
We give a new negative solution to Keisler's problem regarding Skolem functions and elementary extensions. In contrast to existing ad hoc solutions due to Payne, Knight, and Lachlan, our solution uses well-known models.
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Received: 20 September 1999 / Published online: 21 March 2001
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Enayat, A. Trees and Keislers problem. Arch. Math. Logic 40, 273–276 (2001). https://doi.org/10.1007/s001530000061
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DOI: https://doi.org/10.1007/s001530000061