Peter Burrows, 9/23/16
The fact that a verse in the Koran can supersede or annul another, earlier, verse is called abrogation. It is an extraordinarily important concept to the understanding of Islam.
The word GǣabrogationGǥ appears only in verse 2:106, but it is alluded to in Meccan verse 16:101 which says: GǣWhenever We replace one verse by another verse - and Allah knows what he should reveal - they are wont to say: G