On order-types of models of arithmetic - of PDMI RAS

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Apr 13, 2000 - Another boost to the subject was given by the discovery of recursive sat- uration and .... Let T be a set of (Gödel numbers of) sentences in L de-.
On order-types of models of arithmetic by Andrey I. Bovykin

A thesis submitted to the University of Birmingham for the degree of Ph. D. in the Faculty of Science

School of Mathematics and Statistics, The University of Birmingham, Edgbaston, Birmingham, B15 2TT. 13 April, 2000

Synopsis In this thesis we study a range of questions related to the order structure of models of first-order Peano Arithmetic. In Chapter 1 we give necessary definitions and describe the current state of the subject in the literature survey. In Chapter 2 we study first properties of order-types of models of PA, give examples and place first restrictions on what the order-type of a model of PA can be. In Chapter 3 we study models generated by indiscernibles and prove that the model generated by a set of indiscernibles ordered as a dense linear order (C,

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