Problem

erdos:47

True ↔ ∀ (δ : ℝ), 0 < δ → ∀ᶠ (N : ℕ) in Filter.atTop, ∀ A ⊆ Finset.Icc 1 N, δ * Real.log ↑N < A.reciprocalSum → ∃ S ⊆ A, S.reciprocalSum = 1

Open Current State

Declared status: proved (Lean)
Formalization: formalized
Prize: $100
Subjects: number theoryunit fractions
OEIS: N/A
Sources: source:erdos-problemssource:formal-conjecturessource:jayyhk-erdos-leansource:plby-lean-proofs
Statement: www.erdosproblems.com

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