{"id":"transpose-index-identity","text":"The output of `transpose` satisfies `result[j][i] == matrix[i][j]` for all valid `(i, j)`, achieved by swapping the outer/inner loop indices in a nested list comprehension.","truth_value":"IN","source":"entries/2026/06/06/transpose-matrix-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"transpose-index-identity","truth_value":"IN","reason":"premise"}]}}