I. Abrogation refers to the cancellation or repeal of a legal rule by a later rule from the same or stronger source. II. There is disagreement over whether the Quran can be abrogated. Some argue it cannot as Allah's word is free from errors, while others cite examples where later verses or hadith seem to override earlier Quranic rules. III. The majority view is that sunnah can abrogate rules found in the Quran, pointing to instances where hadith introduced new rulings. However, others argue only the Quran can abrogate the Quran.