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erdos_100
Specification
Is the diameter of $A$ at least $Cn$ for some constant $C > 0$?
Lean 4 Statement
theorem erdos_100 :
answer(sorry) ↔ ∃ C > (0 : ℝ), ∀ᶠ n in atTop, ∀ A : Finset ℝ²,
A.card = n →
DistancesSeparated A →
diam (A : Set ℝ²) > C * n
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