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bounded_gap_legendre
Specification
If there exists a constant `c > 0` such that `(n + 1).nth Nat.Prime - n.nth Nat.Prime < (n.nth Nat.Prime) ^ (1 / 2 - c)` for all large `n`, then Legendre's conjecture is asymptotically true.
Lean 4 Statement
theorem bounded_gap_legendre
(H : ∃ c > 0, ∀ᶠ n in atTop, (n + 1).nth Nat.Prime - n.nth Nat.Prime <
(n.nth Nat.Prime : ℝ) ^ (1 / (2 : ℝ) - c)) :
∀ᶠ n in atTop, ∃ p ∈ Set.Ioo (n ^ 2) ((n + 1) ^ 2), Nat.Prime p
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