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Erdős·erdos:94

Erdős Problem 94

conjecture formal record: mixed source: proved (Lean)£25 F2 declared

Machine-checked by qed.bot.

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

geometry, convex, distances·Source

AI activity

How grades work
GPT-5

2025-11-02·supporting task

Full solution found

full A1 collaborative V3 checked F2 declared
Reasoning and sources

Autonomy

Secondary contribution: literature search

Codex, GPT-5.2 Thinking; Seed Prover

2026-01-15·supporting task

Lefmann and Thiele (1995)

full A1 collaborative V3 checked F2 declared
Reasoning and sources

Autonomy

Secondary contribution: formalization

Details

proof to formalize: Lefmann and Thiele (1995)

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

    17 theorems on the standard axioms only

    proof rebuilt and axioms inspected·2026-08-21

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All discussion

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Formal material

Formal statements · 1
Cited proofs · 1
Also known as · 3
  • https://www.erdosproblems.com/94
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/94.lean
  • FormalConjectures/ErdosProblems/94.lean