{"id":"remaining-invariant","text":"The remaining counter equals sum(count) at every point in sortString execution, ensuring the drain loop terminates exactly when all characters are consumed.","truth_value":"IN","source":"entries/2026/06/06/increasing-decreasing-string-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"remaining-invariant","truth_value":"IN","reason":"premise"}]}}