Worldly cardinal
In mathematical set theory, a worldly cardinal is a cardinal κ such that the rank Vκ is a model of Zermelo–Fraenkel set theory.
References
- Hamkins, Joel David (2014), "A multiverse perspective on the axiom of constructibility", Infinity and truth, Lect. Notes Ser. Inst. Math. Sci. Natl. Univ. Singap. 25, Hackensack, NJ: World Sci. Publ., pp. 25–45, arXiv:1210.6541, MR 3205072
External links
- Worldly cardinal in Cantor's attic
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