On natural number objects, finiteness and Kripke-Platek models in toposes (Q1825947)
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scientific article; zbMATH DE number 4122190
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On natural number objects, finiteness and Kripke-Platek models in toposes |
scientific article; zbMATH DE number 4122190 |
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On natural number objects, finiteness and Kripke-Platek models in toposes (English)
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1989
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The authors show that the existence of a Kripke-Platek model after \textit{J. Barwise} [Admissible sets and structures (1975; Zbl 0316.02047)] in an elementary topos \({\mathcal E}\) is equivalent to the existence of a natural number object in \({\mathcal E}\).
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Kripke-Platek model
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elementary topos
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natural number object
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