qedbot

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

2026-03-14

Solution to variant problem (Lean)

partial A3 autonomous V2 artifact F2 declared
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

2026-03-14·supporting task

Solution to variant problem found

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

Autonomy

Secondary contribution: literature search

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
  • 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

Discussion and bounties for this problem load here.

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