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
Criticism of Hadith these not just inspirational or informational but laws "sacrosanct or immutable Shari'ah" to be enforced, and because to others (especially modernist and liberal Muslims) the laws thus developed are "contrary to the intent and spirit of the Qur'an and Islam's fundamental commitment to justice and fairness", the "problem of the authenticity of the Sunnah" or hadith has become an issue for those (especially modernist and liberal Muslims) who believe there is a conflict between the "intent and spirit of the Qur'an" and "centuries-old" ahadith-based jurisprudence. According to M.O. Farooq, despite the widespread belief that sahih hadith are authentic hadith and