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Erdős·erdos:120

Erdős Problem 120

conjecture formal record: mixed source: open$100 F2 declared

Checked, not verified. 1 independent check recorded, with verdict not self-contained. The checks are set out below.

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

combinatorics·Source

AI activity

How grades work
DeepMind prover agent

14 Mar 2026

Solution to variant problem (Lean)

partial A3 V2 F2
Reasoning and sources

Autonomy

AI standalone, with comparable literature existing

Details

literature: 🟡 de Reyna (1983)

literature found on: 14 Mar, 2026

similar?: No

GPT-5.4 Thinking

14 Mar 2026·supporting task

Solution to variant problem found

full A1 V1 F2
Reasoning and sources

Autonomy

Secondary contribution: literature search

Fidelity

How fidelity is graded

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

Checks

1
  • not self-contained·qed.bot

    imports project modules: FormalConjectures.Util.ProblemImports

    proof rebuilt and axioms inspected·2026-08-21

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All discussion

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Formal material

Formal statements · 2
Cited proofs · 1
Also known as · 5
  • https://www.erdosproblems.com/120
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/120.lean
  • FormalConjectures/ErdosProblems/120.lean
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/GreensOpenProblems/94.lean
  • FormalConjectures/GreensOpenProblems/94.lean

Cite this record

qed.bot, “Erdős Problem 120”, https://qed.bot/s/erdos-120, as of 30 Sep 2026.

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