{"id":"string-based-digit-check-idiom","text":"Zero-digit detection uses `'0' not in str(x)` rather than arithmetic modulo operations, a string-conversion idiom that appears across digit-manipulation problems in the repo.","truth_value":"IN","source":"entries/2026/06/06/convert-integer-to-the-sum-of-two-no-zero-integers-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":["string-over-arithmetic-for-digit-ops"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"string-based-digit-check-idiom","truth_value":"IN","reason":"premise"}]}}