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Source labels openChecked July 26, 2026

WikipediaNumber theory

Lehmer's Mahler measure problem: Best

μ=M(X^10 + X^9 - X^7 - X^6 - X^5 - X^4 - X^3 + X + 1) is the best value for lehmer_mahler_measure_problem.

Mathematical statement

μ=M(X^10 + X^9 - X^7 - X^6 - X^5 - X^4 - X^3 + X + 1) is the best value for lehmer_mahler_measure_problem.

Statement source: Wikipedia statement material

Statement terms: CC-BY-SA-4.0

Attributed source material. Reuse must follow the linked attribution and share-alike terms.

Statement artifacts, not proofs

These records expose exact Lean propositions and statement-only wrappers. Defining a proposition does not supply a proof of it. A placeholder-bearing target also contains no proof. Elaboration checks syntax and types; it does not certify that a formalization perfectly captures every nuance of the informal problem.

Pinned Lean formulation 1

lehmer_mahler_measure_problem.variants.best

Canonical source
Complete statement target, proof intentionally absentLean 4
theorem lehmer_mahler_measure_problem.variants.best (f : [X])    (hf : mahlerMeasureZ f > 1) : mahlerMeasureZ f  mahlerMeasureZ lehmerPolynomial := by  sorry
Statement source
Formal Conjectures
Lean version
v4.27.0
Placeholder
Present; no proof artifact
Source evidence
Pinned source index
Fidelity review
Community formulation

References