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Let us start with the following combinatorial problem: Assume we have coloured all 2-element subsets of ω with two colours, say red and blue.

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Overture: Ramsey’s Theorem

  • 章节

  • 发表日期：

    2025年

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  • Lorenz J. Halbeisen

摘要

Let us start with the following combinatorial problem: Assume we have coloured all 2-element subsets of ω with two colours, say red and blue.