Sahih Muslim , Hadith 344 ⓘ

Abu al. 'Ala' b. al-Shikhkhir said: The Messenger of Allah abrogated some of his commands by others, just as the Qur'an abrogates some part with the other.

حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ الْعَنْبَرِيُّ، حَدَّثَنَا الْمُعْتَمِرُ، حَدَّثَنَا أَبِي، حَدَّثَنَا أَبُو الْعَلاَءِ بْنُ الشِّخِّيرِ، قَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَنْسَخُ حَدِيثُهُ بَعْضُهُ بَعْضًا كَمَا يَنْسَخُ الْقُرْآنُ بَعْضُهُ بَعْضًا ‏.‏

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Key Source: The History of the Quran

The history of the Quran when explained by most Muslims is fairly straightforward. The Muslim sources however tell a story that is far from simple and raises doubt over its reliability.

Key Sources

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also referenced under: Book 3, Hadith 99 (In-Book) & Book 3, Hadith 675 (USC-MSA)