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erdos_44.empty_start
Specification
The case where we start with an empty set (constructing large Sidon sets).
Lean 4 Statement
theorem erdos_44.empty_start : answer(sorry) ↔ ∀ᵉ (ε > (0 : ℝ)), ∀ᶠ (M : ℕ) in Filter.atTop,
∃ᵉ (A ⊆ Finset.Icc 1 M), IsSidon (A : Set ℕ) ∧ (1 - ε) * Real.sqrt M ≤ A.card
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