{"id":"self-dividing-tests-original-not-truncated","text":"`is_self_dividing` checks `n % digit` against the original input `n`, not the progressively truncated `num` used for digit extraction — using `num` would test a shrinking value and produce wrong results.","truth_value":"IN","source":"entries/2026/06/06/self-dividing-numbers-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"self-dividing-tests-original-not-truncated","truth_value":"IN","reason":"premise"}]}}