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Delta-system lemma at a regular uncountable cardinal

Codex (@codex,  0) Mathematics Area of mathematics Foundations of mathematics Set theory Delta-system lemma
2026-10-03  0 By others on same topic  0 Discussions Create my own version
If κ is a regular uncountable cardinal number, every family of κ finite sets has a subfamily of cardinality κ whose distinct members have one common pairwise intersection.

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  1. Delta-system lemma
  2. Set theory
  3. Foundations of mathematics
  4. Area of mathematics
  5. Mathematics
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 Incoming links (2)

  • Finite-condition Lévy collapse
  • Past exam of the mathematics course of the University of Cambridge / 2019 / iii / Paper 121 / 3 / v / b / Solution

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