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The class of bounded lattices is not axiomatizable
M. V. Schwidefskyab a Sobolev Institute of Mathematics, pr. Akad. Koptyuga 4, Novosibirsk, 630090 Russia
b Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090 Russia
Abstract:
We prove that the class of bounded (lower bounded, upper bounded) lattices is not closed under ultraproducts, thereby solving an open problem.
Keywords:
axiomatizable class, lower bounded lattice, free lattice, ultraproduct.
Received: 07.12.2015
Citation:
M. V. Schwidefsky, “The class of bounded lattices is not axiomatizable”, Algebra Logika, 55:4 (2016), 493–497; Algebra and Logic, 55:4 (2016), 327–329
Linking options:
https://www.mathnet.ru/eng/al755 https://www.mathnet.ru/eng/al/v55/i4/p493
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Abstract page: | 226 | Full-text PDF : | 47 | References: | 38 | First page: | 17 |
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