{"id":"structural-equality-not-prefix-match","text":"`_is_same` returns `True` only when both trees have identical structure and values at every position; a node with extra children that `subRoot` lacks correctly returns `False`","truth_value":"IN","source":"entries/2026/06/06/subtree-of-another-tree-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"structural-equality-not-prefix-match","truth_value":"IN","reason":"premise"}]}}