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Preprint Number 1222

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1222. Enrique Casanovas, Saharon Shelah
Universal theories and compactly expandable models

Submission date: 7 May 2017


Our aim is to solve a quite old question on the difference between expandability and compact expandability. Toward this, we further investigate the logic of countable cofinality.

Mathematics Subject Classification:

Keywords and phrases:

Full text arXiv 1705.02611: pdf, ps.

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