Erdős problem 70
Erdős Problem 70: Let be the cardinality of the continuum, let be a countable ordinal, and let . Is it true that ?
No current result
No reviewed Result is current in Vela Mathematics Program. Retained source material is shown below.
Retained declaration
FormalConjectures/ErdosProblems/70.leanTrue ↔ ∀ (β : Ordinal.{0}) (n : ℕ), β.card ≤ Cardinal.aleph0 → 2 ≤ n → Erdos70.OrdinalCardinalRamsey3 Cardinal.continuum.ord β ↑nOpenStatement only, no proof