{"schema":"vela.problem-packet.v0.1","problem":224,"statement":"If $A\\subseteq \\mathbb{R}^d$ is any set of $2^d+1$ points then some three points in $A$ determine an obtuse angle.","status":"solved","seam":"raw","closureRoutes":[],"obligations":[],"attestations":[],"attempts":[],"velaLean":[],"oeis":[],"generated_note":"derived view; the signed event log is the source of truth (vela check / vela reproduce)"}