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Erdős problem 590

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Let αα be the infinite ordinal ωω\omega^{\omega}. It was proved by Chang [Ch72] that any red/blue colouring of the edges of KαK_α there is either a red KαK_α or a blue K3K_3.

Erdős Problems records this as proved.

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How far the record reaches4 of 6 stages
  1. Sourceerdos-problems
  2. StatementRetained
  3. Formal4 retained
  4. Resolutionproved
  5. WorkNone recorded
  6. DecisionNone here
  7. The questionNot reached
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Ramsey Theory114Set Theory35
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