{"id":"treenode-defined-locally-per-solution","text":"`TreeNode` is defined locally in each tree-problem solution file rather than imported from a shared module, making each solution independently runnable.","truth_value":"IN","source":"entries/2026/06/06/binary-tree-tilt-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"treenode-defined-locally-per-solution","truth_value":"IN","reason":"premise"}]}}