{"id":"perfect-number-dedup-guard","text":"The `i != num // i` check prevents double-counting the square root divisor when `num` is a perfect square.","truth_value":"IN","source":"entries/2026/06/06/perfect-number-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"perfect-number-dedup-guard","truth_value":"IN","reason":"premise"}]}}