{"id":"lonely-detection-parent-perspective","text":"Lonely-node detection operates from the parent's perspective (checking if exactly one child exists), which structurally excludes the root from results without special-casing.","truth_value":"IN","source":"entries/2026/06/06/find-all-the-lonely-nodes-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"lonely-detection-parent-perspective","truth_value":"IN","reason":"premise"}]}}