Erdős #357 follow-up: stronger Coppersmith–Phillips bound read as increasing-only

kevrussell · x · 2026-11-03

Kevin Russell adds a clarification to his AI-assisted Erdős #357 proof: erdosproblems.com lists a stronger Coppersmith–Phillips bound, which the authors read as covering increasing sequences only, so it does not conflict with their new lower bound for sequences in any order. Corrections are welcome, and an audit receipt is linked.

Related event: GPT Astra Helps Advance Lower Bound on Erdős Problem #357(3 posts)→

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