๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

The hierarchy of universities

โœ Scribed by Norman M. Bradburn


Publisher
Springer
Year
1988
Tongue
English
Weight
766 KB
Volume
26
Category
Article
ISSN
0026-4695

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The cumulative hierarchy and the constru
โœ Matteo Viale ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 116 KB

## Abstract We present two results which shed some more light on the deep connection between ZFA and the standard ZF set theory: First of all we refine a result of Forti and Honsell (see [5]) in order to prove that the universe of ZFA can also be obtained (without appealing to choice) as the least