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Erdős·erdos:283

Erdős Problem 283

problem formal record: solved source: proved (Lean)no 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, unit fractions·Source

AI activity

How grades work
GPT-5.5 Pro

2026-05-03·with Kevin Barreto, Liam Price

Full solution

full A1 collaborative V1 write-up F2 declared
Reasoning and sources

Autonomy

AI collaborating with humans

Aristotle

2026-03-28·supporting task

van Doorn (2025)

partial A1 collaborative V1 write-up F2 declared
Reasoning and sources

Autonomy

Secondary contribution: formalization

Details

proof to formalize: van Doorn (2025)

Claude Opus 4.7, GPT-5.5 Pro

2026-05-06·supporting task

Barreto, GPT-5.5 Pro, and Price (2026)

full A1 collaborative V1 write-up F2 declared
Reasoning and sources

Autonomy

Secondary contribution: formalization

Details

proof to formalize: Barreto, GPT-5.5 Pro, and Price (2026)

Does the formal statement say what was claimed?

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

Computed from what the project declares and what the register holds, never from reading the mathematics. How fidelity is graded.

Follow and discuss

All discussion

Discussion and bounties for this problem load here.

Formal material

Formal statements · 1
Cited proofs · 1

Recorded elsewhere

Compare the registries
  • vibemathed — Erdős Problem #283

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

Also known as · 3
  • https://www.erdosproblems.com/283
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/283.lean
  • FormalConjectures/ErdosProblems/283.lean