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Erdős·erdos:846

Erdős Problem 846

problem formal record: solved source: disproved (Lean) 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.

geometry·Source

AI activity

How grades work
DeepMind prover agent, OpenAI internal model

25 Feb 2026

Full solution (Lean); Full solution

full A3 V2 F2
Reasoning and sources

Autonomy

AI standalone, with comparable literature existing

Details

literature: 🟡 Reiher, Rödl, and Sales (2024)

literature found on: 25 Feb, 2026

similar?: No

GPT-5.2 Thinking

25 Feb 2026·supporting task

DeepMind prover agent (2026)

full A1 V1 F2
Reasoning and sources

Autonomy

Secondary contribution: rewriting

Details

argument to rewrite: DeepMind prover agent (2026)

Fidelity

How fidelity is graded

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

Follow and discuss

All discussion

Discussion and bounties for this problem load here.

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Formal material

Formal statements · 1
Cited proofs · 1

Recorded elsewhere

Compare the registries
  • vibemathed — Erdős Problem #846

    checked·machine-led·their labels: lean-verified, ai-discovered

Also known as · 3
  • https://www.erdosproblems.com/846
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/846.lean
  • FormalConjectures/ErdosProblems/846.lean

Cite this record

qed.bot, “Erdős Problem 846”, https://qed.bot/s/erdos-846, as of 30 Sep 2026.

This record as plain text, with each claim, its grades and its sources.