{"id":"reshape-no-input-mutation","text":"`matrixReshape` never modifies the input `mat`; the success path returns a freshly constructed list-of-lists, and the failure path returns the original object unchanged.","truth_value":"IN","source":"entries/2026/06/06/reshape-the-matrix-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"reshape-no-input-mutation","truth_value":"IN","reason":"premise"}]}}