Criticism of Hadith thus provides "certainty of knowledge" of what Muhammad said, in fact it is only the much rarer subset of sahih -- "mutawatir" hadith -- that provide certain knowledge. "Mutawatir" means the report "of a large number of narrators whose agreement upon a lie is inconceivable. This condition must be met in the entire chain from the origin of the report to the very end." However, according to Wael Hallaq, "the bulk of hadith with which the traditionists dealt, and on the basis of which the Jurists derived the law" were known as "ahad" — i.e. non-"mutawatir" hadith; Hadith without "textually
Ahl al-Hadith on to the early Sunni creed. This theological school, which is also known as traditionalist theology, has been championed in recent times by the Salafi movement. The term "ahl al-hadith" is sometimes used in a more general sense to denote a particularly enthusiastic commitment to hadith and to the views and way of life of the Salaf (exemplary early Muslims). The Ahl al-Hadith movement emerged toward the end of the eighth century CE among scholars of hadith who held the Quran and authentic hadith to be the only acceptable sources of law and creed. At first these scholars formed minorities