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arxiv: 1310.3137 · v1 · pith:YBZ76DIDnew · submitted 2013-10-11 · 🧮 math.LO

Ultraproducts as a tool for first-order inexpressibility in the finite and infinite

classification 🧮 math.LO
keywords finitefirst-ordermodeltheorytoolultraproductsclassicalcontext
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Ultraproducts are a well-known tool in the classical model theory of first-order logic. We explore their uses in the context of finite model theory.

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