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
Hadith Bayad wa Riyad is catalogued as Codex Vat. Arabo 368. Hadith Bayad wa Riyad Hadith Bayāḍ wa Riyāḍ (, "The Narrative of Bayad and Riyad") is a 13th-century Arabic love story. The main characters of the tale are Bayad, a merchant's son and a foreigner from Damascus, Riyad, a well-educated girl in the court of an unnamed Hajib (vizier or minister) of 'Iraq (Mesopotamia) and a "Lady" (al-sayyida). The "Hadith Bayad wa Riyad" manuscript is believed to be the only illustrated manuscript known to have survived from the more than eight centuries of Muslim medieval life in Spain and Portugal. The sole manuscript