Hadith of the Quran and Sunnah and believe in a different interpretation of this related hadith. The Sunnis and the Shi'as also disagree about what constitutes the "Sunnah". The Sunnis generally accept this hadith, but narrowly define "sunnah" as the sayings and deeds of Muhammad. Although some include the "implied approvals" of Muhammad. This hadith is considered "sahih" by the Sunni, as stated by following scholars: Shi'as reject this hadith and deem it to be a fabrication designed to distract from what they deem to be the real saying of Muhammad: the 'Hadith of the two weighty/precious things' ("Hadith al-Thaqalayn"). Since the Hadith about Quran and
Introduction to the Science of Hadith category, which comprises 21 types, relates to the names of the narrators. This includes the definition of a "ṣaḥābī" (companion), a "tābi`ī" (follower), the time periods of narrators, names and paidonymics among others. Later scholars included additional types of hadith in their own works, with some almost reaching 100. The "Introduction" became the basis for subsequent books in hadith terminology. A number of subsequent scholars followed Ibn al-Ṣalāḥ in the ordering of his book, including al-Nawawī, Ibn Kathīr, al-ʻIraqi, al-Bulqīnī, Ibn al-Jamā`ah, al-Tabrīzī, al-Ṭībī and al-Zirkashī. In many instances this influence was direct, with numerous scholars authoring books indicating its