AI Helps Deliver First Complete Lean Proof of 17-Square Packing Optimality

Using Codex and Claude, researchers produced a candidate proof that Bidwell's 1998 packing of 17 unit squares is optimal (s(17)=4.6755), followed by the first complete Lean formalization confirming the result.

2026-10-13 ~ 2026-10-14 · 2 related posts

• Candidate proof shows 1998 packing of 17 squares is optimal, built with Codex and Claude — ctjlewis · 2026-10-13
• First complete Lean proof of optimality for Bidwell's 17-square packing, built with AI — tak3sh8 · 2026-10-14