Submission date: 3 November 2015

Abstract:

We consider an ultraproduct that is designed to omit a fixed set of unary types Γ, called the Γ-ultraproduct. The Γ-ultraproduct is not always well-behaved, but we discuss several general conditions under which it is and several examples.

Mathematics Subject Classification:

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Full text arXiv 1511.00982: pdf, ps.