Erdős Problem 353 — qed.bot Claims, announcements and changes recorded against Erdős Problem 353. https://qed.bot/feeds/s/erdos-353.xml 2026-06-20T00:00:00Z qed.bot Erdős Problem 353 — full (Aristotle) urn:qed:10d5f528cced 2026-06-20T00:00:00Z Kovač and Predojević (2024) + Koizumi (2025). Autonomy A1, evidence V3, fidelity F2.