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Erdős problem 598

Erdős Problem 598: Let mm be an infinite cardinal and κ\kappa be the successor cardinal of 202^{\aleph_0}. Can one colour the countable subsets of mm using κ\kappa many colours so that every XmX \subseteq m with X=κ|X| = \kappa contains subsets of all possible colours?

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  1. Source#598
  2. ResultNone
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  • AI collaborating with humans

    Erdős AI contributions wiki · 22 Apr, 2026

    Machine
    Aristotle, GPT-5.4 Pro
    People
    Przemek Chojecki
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