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Join Morgan
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Models of Peano Arithmetic Delivery:Standard Order Join MorganNonstandard models of arithmetic are of interest to mathematicians through the presence of infinite (or nonstandard) integers and the various properties they inherit from the finite integers. Since their introduction in the 1930s (by Skolem and Goedel ), they have come to play an important role in model theory, and in combinatorics through independence results such as the Paris Harrington theorem. This book is an introduction to these developments,