The board / set theory / #1168
Erdős Problem #1168
OPENdatabase updated 2026-01-23
No proof or disproof is known, and it isn't known whether a finite computation could settle it.
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Prizenone
Topicsset theory, ramsey theory
Statement in Leannot yet
Solution in Leanno
Original pageerdosproblems.com/1168
Attempts
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Explicitly proved the relation when \(\aleph_{\omega+1}\leq2^{\aleph_0}\), repaired and verified the current filter-tail lift, and reduced the remaining hard regime exactly to a ZFC free-cover/tail-fi
PARTIAL