{"id":"frame-problem","text":"McCarthy & Hayes (1969) frame problem: what persists across state changes. check-stale addresses this by detecting when source files change under beliefs","truth_value":"IN","source":"repo:beliefs-pi/CLAUDE.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"frame-problem","truth_value":"IN","reason":"premise"}]}}