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Erdős problem 812

Burr, Erdős, Faudree, and Schelp [BEFS89] proved that R(n+1)−R(n)≥4n−8R(n+1)-R(n) \geq 4n-8 for all n≥2n\geq 2.

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812.lean

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Burr, Erdős, Faudree, and Schelp [BEFS89] proved that R(n+1)−R(n)≥4n−8R(n+1)-R(n) \geq 4n-8 for all n≥2n\geq 2.

FormalConjectures/ErdosProblems/812.leanErdos812.erdos_812.variants.lower_bound1 lineExact file
∀ n ≥ 2, ↑(Combinatorics.hypergraphRamsey 2 (n + 1)) - ↑(Combinatorics.hypergraphRamsey 2 n) ≥ 4 * ↑n - 8
SolvedStatement only, no proof