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Erdős·erdos:403

Erdős Problem 403

problem formal record: solved source: proved (Lean)no F2 declared

Machine-checked by qed.bot.

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

number theory, factorials·Source

AI activity

How grades work
AxiomProver

2026-06-19·supporting task

Unspecified

full A1 collaborative V3 checked F2 declared
Reasoning and sources

Autonomy

Secondary contribution: formalization

Details

proof to formalize: Unspecified

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.

Checks

1
  • verified qed.bot

    3 theorems on the standard axioms only

    proof rebuilt and axioms inspected·2026-08-21

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Formal material

Formal statements · 1
Cited proofs · 1
Also known as · 3
  • https://www.erdosproblems.com/403
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/403.lean
  • FormalConjectures/ErdosProblems/403.lean