Hadith of the Quran and Sunnah and my Sunna." Hadith literature refers to the oral tradition about the words and deeds (Sunnah) of Muhammad. The statement that Islam has these two sources has been attributed to Muhammad. The Sunni Muslims accept this attribution as "sahih" (authentic) and hence a "hadith"; whereas the Shi'a Muslims reject this as being "mawdoo" (fabricated), and not a separate "hadith", arguing that nowhere is it recorded in the Six Authentic Books of the Sunni's (Sahih Sitta). The hadith in the Six Authentic Books are generally accept as authentic throughout Islam. The Qur'an and Sunnah hadith is reported in other books as
Introduction to the Science of Hadith al-Ṣalāḥ, in his "Introduction", codified the terminology established by those scholars before him based upon his reading of their works. He did so by citing some of those scholarly statements in the earlier works and deducing from them common terms and definitions in the manner of a scholar authoring a book of "fiqh" (jurisprudence). In this manner, his book was based upon those principles established by the earlier hadith specialists combined with some elements of "fiqh". An example of this would be the inclusion of the division of hadith into "mutawātir" and "āḥād". He therefore only mentioned the statements of