{"id":"complement-zero-out-of-domain","text":"The `find_complement` docstring constrains `num >= 1`; passing 0 yields a degenerate result (mask is 0, output is 0) because `bit_length()` returns 0 for zero.","truth_value":"IN","source":"entries/2026/06/06/number-complement-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"complement-zero-out-of-domain","truth_value":"IN","reason":"premise"}]}}