On properties of countable character
- 17 April 1971
- journal article
- research article
- Published by Cambridge University Press (CUP) in Bulletin of the Australian Mathematical Society
- Vol. 4 (2) , 183-192
- https://doi.org/10.1017/s000497270004644x
Abstract
It is proved that if a class X of algebras of countable similarity type is closed under isomorphism and ultrapower, then the class of subalgebras of direct products of elements of X is of countable character.Keywords
This publication has 5 references indexed in Scilit:
- Local Properties of SystemsJournal of the London Mathematical Society, 1969
- Some problems in group theoryPublished by Springer Nature ,1968
- Note on An Embedding Theorem for Algebraic SystemsJournal of the London Mathematical Society, 1955
- An Embedding Theorem for Algebric SystemsProceedings of the London Mathematical Society, 1954
- Contributions to the Theory of Models. IIndagationes Mathematicae, 1954