It is in the Islamic rules of war, in fact, that the doctrine of abrogation has been most consequential. The Qur’an’s commandments on conflict and warfare range from passive forbearance to declarations of open war. This befits a document that unfolded over more than two decades of preaching, persecution, incipient conflict and finally declared war and truces. The reasons of revelations tell of a slow escalation. Non-violent instructions to ‘dispute with [the Meccans] in the best way’ and declare ‘Unto you your religion, unto me mine’ (16:125, 109:6) give way to permitting Muhammad

