A direct proof of the Feferman-Vaught theorem and other preservation theorems in products

DOI10.2307/2274705zbMath0745.03030OpenAlexW2141439493MaRDI QIDQ3984437

Y. Vourtsanis

Publication date: 27 June 1992

Published in: Journal of Symbolic Logic (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2274705

zbMATH Keywords

direct productsfiltersreduced productsproducts of algebraic systemspreservation theorems in products

Mathematics Subject Classification ID

Interpolation, preservation, definability (03C40)

Related Items (2)

Direct product decompositions of structures and theories ⋮ Preservation properties for products and sums of metric structures

Cites Work

• Infinitary properties of abelian torsion groups
• Infinitary analogs of theorems from first order model theory
• On direct products of theories

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