Erdős Problem 476 — qed.bot Claims, announcements and changes recorded against Erdős Problem 476. https://qed.bot/feeds/s/erdos-476.xml 2025-12-31T00:00:00Z qed.bot Erdős Problem 476 — full (Aristotle) urn:qed:4e9797653ba4 2025-12-31T00:00:00Z Alon, Nathanson, and Ruzsa (1995). Autonomy A1, evidence V1, fidelity F2.