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This article is cited in 9 scientific papers (total in 9 papers)
Algebras of binary formulas for compositions of theories
D. Yu. Emelyanova, B. Sh. Kulpeshovbc, S. V. Sudoplatovdea a Novosibirsk State Technical University
b Kazakh-British Technical University
c Institute of Mathematics and Mathematical Modeling, Ministry of Education and Science, Republic of Kazakhstan, Almaty
d Sobolev Institute of Mathematics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk
e Novosibirsk State University
Abstract:
We consider algebras of binary formulas for compositions of theories both in the general case and as applied to $\aleph_0$-categorical, strongly minimal, and stable theories, linear preorders, cyclic preorders, and series of finite structures. It is shown that $e$-definable compositions preserve isomorphisms and elementary equivalence and have basicity formed by basic formulas of the initial theories. We find criteria for $e$-definable compositions to preserve $\aleph_0$-categoricity, strong minimality, and stability. It is stated that $e$-definable compositions of theories specify compositions of algebras of binary formulas. A description of forms of these algebras is given relative to compositions with linear orders, cyclic orders, and series of finite structures.
Keywords:
algebra of binary formulas, composition of theories, $e$-definable composition, $\aleph_0$-categorical theory, strongly minimal theory, stable theory, linear preorder, cyclic preorder.
Received: 09.04.2019 Revised: 24.11.2020
Citation:
D. Yu. Emelyanov, B. Sh. Kulpeshov, S. V. Sudoplatov, “Algebras of binary formulas for compositions of theories”, Algebra Logika, 59:4 (2020), 432–457; Algebra and Logic, 59:4 (2020), 295–312
Linking options:
https://www.mathnet.ru/eng/al2625 https://www.mathnet.ru/eng/al/v59/i4/p432
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