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Elementary epimorphisms
Published online by Cambridge University Press: 12 March 2014
Abstract
The concept of elementary epimorphism is introduced. Inverse systems of such maps are considered, and a dual of the elementary chain lemma is found (Cor. 4.2). The same is done for pure epimorphisms (Cor. 4.3 and 4.4). Finally, this is applied to certain inverse limits of flat modules (Thm. 6.4) and certain inverse limits of absolutely pure modules (Cor. 6.3).
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- Research Article
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- Copyright © Association for Symbolic Logic 2005
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