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MathlibNt.SieveTheory.LiLiuGoldbachG12RoughElementary

theorem G12RoughBoundary.integer_band_reciprocal {a : ℝ} (ha : 1 ≤ a) {r : ℕ} (hr : 0 < r) :
∑ q ∈ Finset.Icc r ⌊a * ↑r⌋₊, 1 / ↑q ≤ a - 1 + 1 / ↑r

The closed integer interval pays its endpoint by 1/r.

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G12RoughBoundary.integer_band_reciprocal · compiled type and proof/definition references.

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G12RoughBoundary.primes · compiled type and proof/definition references.

noncomputable def G12RoughBoundary.harmonic (N : ℕ) :
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Instances For
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    G12RoughBoundary.harmonic · compiled type and proof/definition references.

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      G12RoughBoundary.harmonicBound · compiled type and proof/definition references.

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      G12RoughBoundary.harmonicBound_pos · compiled type and proof/definition references.

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      G12RoughBoundary.harmonic_nonneg · compiled type and proof/definition references.

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      G12RoughBoundary.harmonic_eventually · compiled type and proof/definition references.

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      G12RoughBoundary.labels · compiled type and proof/definition references.

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      G12RoughBoundary.nearLabels · compiled type and proof/definition references.

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      G12RoughBoundary.nearMass · compiled type and proof/definition references.

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      G12RoughBoundary.nearReciprocal · compiled type and proof/definition references.

      All three unexpanded prime coordinates stay in the original exponent range.

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      G12RoughBoundary.labels_primes · compiled type and proof/definition references.

      theorem G12RoughBoundary.nearReciprocal_le {N : ℕ} (hN : 1 ≤ N) {a : ℝ} (ha : 1 ≤ a) :
      nearReciprocal N a ≤ harmonic N ^ 3 * (a - 1 + 1 / ↑N ^ (4 / 53))

      Expand q to integers, never any of r,s,t. All repeated labels remain.

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      G12RoughBoundary.nearReciprocal_le · compiled type and proof/definition references.

      True uniform Buchstab, with a deliberately coarse fixed constant 2.

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      G12RoughBoundary.cofactor_eventually · compiled type and proof/definition references.

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      G12RoughBoundary.normalized_cofactor_le · compiled type and proof/definition references.