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Erdős·erdos:486

Erdős Problem 486: Logarithmic density for sets avoiding modular subsets

problem formal record: solved source: open F2 declared

No independent check recorded yet. A formal artifact, declaration or published object is attached, but no rebuild of it is recorded here.

Fidelity F2: The statement corpus cites this proof against its own statement.

number theory, primitive sets·Source

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Claimed on erdosproblems.com

1

Proof claims posted on erdosproblems.com, which says that listing a claim “is no guarantee of proof correctness”. The register records who claims what, with which systems, and links to each claim there. Nobody has examined them, and none counts in the register's totals.

Shouqiao Wang

a full proof claimed·16 Jul 2026·using GPT-5.6 Sol·3 comments there

Proof

candidateA? V0

F2 declared. The statement corpus cites this proof against its own statement.

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Formal material

Formal statements · 1
Cited proofs · 2
Also known as · 3
  • https://www.erdosproblems.com/486
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/486.lean
  • FormalConjectures/ErdosProblems/486.lean

Cite this record

qed.bot, “Erdős Problem 486: Logarithmic density for sets avoiding modular subsets”, https://qed.bot/s/erdos-486, as of 30 Sep 2026.

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