Development

Erdős #397 falls, the third this week

development2026-01-12

Claim

GPT-5.2 Pro and Aristotle solved Erdős problem #397, the third of the week.

Reporting date: 2026-01-12 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to January 12, 2026 (theinnermostloop.substack.com)

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Welcome to January 12, 2026

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Evidence for

Supersedes

Erdős #729 falls, the second in a week

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Citation formatCitation text

Erdős #397 falls, the third this week
Innermost Loop KB — secondary record
Reporting date: 2026-01-12
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-01-12-erdos-397-third-this-week
Claim: GPT-5.2 Pro and Aristotle solved Erdős problem #397, the third of the week.
Attributed sources:
- Welcome to January 12, 2026 — https://theinnermostloop.substack.com/p/welcome-to-january-12-2026
This citation does not imply independent verification of linked-source claims.

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