{"id":"two-sum-implicit-none-on-no-solution","text":"If no valid pair exists (violating the problem contract), the function silently returns `None` rather than raising","truth_value":"IN","source":"entries/2026/06/06/two-sum-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"two-sum-implicit-none-on-no-solution","truth_value":"IN","reason":"premise"}]}}