{"id":"assumes-square-grid","text":"`projectionArea` uses a single `n = len(grid)` for both dimensions, relying on the LeetCode constraint that the grid is always n × n; non-square grids would produce incorrect results","truth_value":"IN","source":"entries/2026/06/06/projection-area-of-3d-shapes-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"assumes-square-grid","truth_value":"IN","reason":"premise"}]}}