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Infinite substructure lattices of models of Peano Arithmetic

โœ Scribed by Schmerl, James H.


Book ID
124069236
Publisher
Association for Symbolic Logic
Year
2010
Tongue
English
Weight
206 KB
Volume
75
Category
Article
ISSN
0022-4812

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Substructure lattices and almost minimal
โœ James H. Schmerl ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 141 KB ๐Ÿ‘ 1 views

## Abstract This paper concerns intermediate structure lattices Lt(๐’ฉ/โ„ณ๏ธ), where ๐’ฉ is an almost minimal elementary end extension of the model โ„ณ๏ธ of Peano Arithmetic. For the purposes of this abstract only, let us say that โ„ณ๏ธ attains __L__ if __L__ โ‰… Lt(๐’ฉ/โ„ณ๏ธ) for some almost minimal elementary end ex

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## Abstract We give some information about the action of Aut(M) on M(0), where M is a countable arithmetically saturated model of Peano Arithmetic. We concentrate on analogues of moving gaps and covering gaps inside M(0).