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Erdős problem 757

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What is the supremum of the set of admissible numbers?

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The source's own material, retained exactly.

3 retained statements36c6d0fef71a

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FormalConjectures/ErdosProblems/

757.lean

Retained formal statement3 of 3

In [GyLe95], the authors also prove that the supremum is smaller than 3 / 5.

FormalConjectures/ErdosProblems/757.leanErdos757.erdos_757.variants.upperBound1 lineExact file
∀ {A : Set ℝ}, sSup {c | Erdos757.IsAdmissible c} < 3 / 5
SolvedStatement only, no proof