Verticals
Belief states for domains where rules change and sources disagree.
Tax: phase-outs, thresholds and a yearly checkOne IRS publication, nested conditions, and rules that expire every January.
Tax: answerable means extractedTwo runs, 44 to 46 beliefs, two missing tax bands, and a headline question taken off the shelf.
Security: one zero-day across 9 public sourcesA critical firewall CVE, four vendor advisories, and guidance that reversed itself. Security: scope boundaries and one fact said four waysWho is exposed, who is not, and what 72 beliefs from nine sources get right and repeat.
Trading: a strategy desk's decision journalSix dated entries, two crossover signals, and a position that changed for stated reasons. Trading: base rates against the desk's own backtestTwo kinds of evidence for one decision, and which numbers an answer is allowed to cite.