qedbot

Erdős·erdos:123

Erdős Problem 123

conjecture formal record: mixed source: proved (Lean)$250 F2 declared

Machine-checked by qed.bot.

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

number theory·Source

AI activity

How grades work

No AI contribution recorded against this statement.

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

    96 theorems on the standard axioms only

    proof rebuilt and axioms inspected·2026-08-21

Follow and discuss

All discussion

Discussion and bounties for this problem load here.

Formal material

Formal statements · 1
Cited proofs · 1
Also known as · 3
  • https://www.erdosproblems.com/123
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/123.lean
  • FormalConjectures/ErdosProblems/123.lean