{"id":"evaltree-and-is-fallthrough-default","text":"`evalTree` checks `val == 2` for OR and falls through to AND for any other value — there is no explicit `val == 3` check, so any non-2 internal node val is silently treated as AND.","truth_value":"IN","source":"entries/2026/06/06/evaluate-boolean-binary-tree-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"evaltree-and-is-fallthrough-default","truth_value":"IN","reason":"premise"}]}}