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Erdős·erdos:707

Erdős Problem 707: Embedding Sidon Sets in Perfect Difference Sets

problem formal record: solved source: disproved (Lean)$1000 F2 declared

Machine-checked by qed.bot.

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

additive combinatorics, sidon sets·Source

AI activity

How grades work
GPT

2025-11-23·supporting task

Hall (1947)

full A1 collaborative V3 checked F2 declared
Reasoning and sources

Autonomy

Secondary contribution: formalization

Details

proof to formalize: Hall (1947)

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

    172 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

Recorded elsewhere

Compare the registries
  • vibemathed — Erdős Problem #707: Sidon Sets and Perfect Difference Sets

    checked·human-led·their labels: lean-verified, ai-assisted

Also known as · 3
  • https://www.erdosproblems.com/707
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/707.lean
  • FormalConjectures/ErdosProblems/707.lean