{"id":"dual-impl-pattern-tree-problems","text":"Tree problems in this repo sometimes provide both recursive and iterative implementations, with tests asserting both produce identical results for all inputs.","truth_value":"IN","source":"entries/2026/06/06/symmetric-tree-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"dual-impl-pattern-tree-problems","truth_value":"IN","reason":"premise"}]}}