Categories of Hadith Categories of Hadith Different categories of hadith (sayings attributed to the Islamic prophet Muhammad) have been used by various scholars. Experts in the Hadith studies generally use two terms - "taqrīr" for tacit approvals, and "khabar" for sayings and acts ascribed to Muhammad. The term taqrīr implies that, in the presence of Muhammad, a believer did something, which Muhammad noticed but did not disapprove or condemn. Thus, the act done by a believer acquired tacit approval from Muhammad. It is commonly acknowledged that a khabar can be true or false. The scholars of the science of hadith criticism hold that
Introduction to the Science of Hadith adding six terms in the process). The first pertains to the "matn" (text) of the hadith and its three divisions and 30 types. The three divisions are "ṣaḥīḥ", "ḥasan", and "ḍa`īf". The thirty types include those mentioned in hadith terminology and others. The second deals with the "isnād" (chain of narration) and comprises 11 types. These types generally fall within the discipline of biographical evaluation. The third category includes six types: the qualifications necessary for conveying hadith, the manners in which they are transmitted, the transcription of hadith, and the etiquette of the narrator and of the student. The fourth