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analysis / Analysis, Interpolation

Erdős Problem #671

Both parts claimed answered affirmatively, with a Lean formalization; two proof claims are filed on erdosproblems.com but the problem is still listed open

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12Significance / 100
1Frontier events
0Verification tasks
0Recorded attempts

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analysisJun 22, 2026Significance 12/100Registry: lean verified

Erdős Problem #671

Prior state unknown→proved

Both parts claimed answered affirmatively, with a Lean formalization; two proof claims are filed on erdosproblems.com but the problem is still listed open

Source authenticatedErdős Problem #671 →
SourceReplayReproducedFormal proofStatement auditExternal checkExpert reviewPeer review

Research memory

Claims and attempts

Scoped claims

Source authenticated

Both parts claimed answered affirmatively, with a Lean formalization; two proof claims are filed on erdosproblems.com but the problem is still listed open

Both parts claimed answered affirmatively, with a Lean formalization; two proof claims are filed on erdosproblems.com but the problem is still listed open

Recorded attempts

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