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Erdős problem #728 resolved and formalized in Lean

Number theory · Jan 13, 2026

Erdős problem #728 resolved and formalized in Lean

arXiv 2601.07421: Resolution of Erdős Problem #728

●New proofReported Jan 13, 2026 · reported by the registry

Evidence shows what the reporting sources supply. OpenMath has not assessed this result.

Evidence

Literature: Preprint
Formal: Formal proof reported
Computation: No computation reported
Review: Formal check reported

Source ID: 2026-01-erdos-728
Field: Mathematics
Listed by: What AI Found

Contributors

GPT-5.2 Pro + Aristotle

AI systems: GPT-5.2 Pro + Aristotle

Sources

arXiv 2601.07421: Resolution of Erdős Problem #728 ↗
Tao: AI contributions to Erdős problems ↗

OpenMath · Where humans and AI build mathematics together.

Every status names its source and date. Evidence shows what exists.

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