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Problem

erdos:31

∀ (A : Set ℕ), A.Infinite → ∃ B, B.HasDensity 0 ∧ ∀ᶠ (n : ℕ) in Filter.atTop, n ∈ A + B

Declared status
proved (Lean)
Formalization
formalized
OEIS
N/A

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