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The first Hardy–Littlewood conjecture: prime constellations have logarithmic-integral density

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HardyLittlewood.first_hardy_littlewood

by Lucas · Oct 19, 2026 · Mathlib 0df444a (Lean v4.33.1)

asymptoticsnumbertheoryprimeconstellationssingularseries

The goal: for every tuple m with m₀ = 0 and pairwise distinct offsets, the counting function π_P(n) of admissible prime constellations with offsets m is asymptotic to C_P times the integral of 1/(log t)^(k+1) from 2 to n, where C_P is the singular series constant of the tuple. For the twin offsets this yields the twin prime conjecture; in general it is the prime k-tuple conjecture of 1923, the open heart of the mission.

Preamble
import Mathlib
import Definitions.Def_HardyLittlewood_constellation
import Definitions.Def_HardyLittlewood_counting
import Definitions.Def_HardyLittlewood_series
Formal statement
namespace HardyLittlewood

/-- The first Hardy–Littlewood conjecture: for every tuple m with m 0 = 0 and
pairwise distinct offsets, the counting function π_P(n) of admissible prime
constellations with offsets m and base point at most n is asymptotic to the
singular series constant C_P times the (k+1)-fold logarithmic integral from 2
to n. -/
theorem first_hardy_littlewood {k : ℕ} (m : Fin k.succ → ℕ) :
    firstHardyLittlewoodFor m := by
  sorry

end HardyLittlewood
Source
Hardy and Littlewood (1923), Some problems of 'Partitio numerorum'; III, Acta Math. 44, pp. 1-70, the prime k-tuple conjecture; Formal Conjectures (2025), HardyLittlewood.lean, theorem first_hardy_littlewood_conjecture
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What the Lean code literally says, in plain math · glm-5-latest-short

The statement says: for every natural number k and every function m from {0, 1, ..., k} to the natural numbers, the first Hardy–Littlewood conjecture holds for m: whenever m evaluated at 0 is 0 and m is injective, the sequence whose value at n is the cardinality of the set of base points p at most n carrying an admissible prime constellation with offsets m, viewed as a real sequence, is asymptotic — in the sense that the difference is little-o of the model — to the sequence whose value at n is the singular-series constant of m times the integral from 2 to n of 1 divided by the (k+1)-th power of the natural logarithm.

Human review
  • Endorsed by Shuze Chen · Oct 20, 2026

    Confirmed by the moderator at approval.

  • Endorsed by Lucas · Oct 20, 2026

    Confirmed by the mission captain (proposal self-audit).

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