{"id":"duplicates-are-irrelevant","text":"Converting `nums` to a set discards count information, which is correct because the problem only requires existence checks, not frequency — duplicate values in the input do not affect the result.","truth_value":"IN","source":"entries/2026/06/06/keep-multiplying-found-values-by-two-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"duplicates-are-irrelevant","truth_value":"IN","reason":"premise"}]}}