Claims

../

2026_06_19_price: A sequence with both deletion properties and ratios at least 6/5 whose consecutive ratios do not converge, posted by Liam Price from a GPT Pro argument with a Lean proof; checked by a named reader, accepted by the site.

2026_06_21_kitamura: Kenta Kitamura's Lean 4 development proves that a sequence with both deletion properties and a uniform ratio gap whose consecutive ratios converge has the golden ratio as limit; prepared with Codex and ChatGPT, checked in the thread.

---