{"id":"base7-zero-special-case","text":"`convert_to_base7` handles input 0 via an explicit early return; without this guard, the `while num:` loop would never execute and the function would return an empty string.","truth_value":"IN","source":"entries/2026/06/06/base-7-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"base7-zero-special-case","truth_value":"IN","reason":"premise"}]}}