Hadith it". This led to "the almost complete neglect" of traditions from Companions and others. Collections of ahadith sometimes mix those of Muhammad with the reports of others. Muwatta Imam Malik is usually described as "the earliest written collection of hadith" but sayings of Muhammad are “blended with the sayings of the companions”, (822 hadith from Muhammad and 898 from others, according to the count of one edition). In "Introduction to Hadith" by Abd al-Hadi al-Fadli, "Kitab Ali" is referred to as "the first hadith book of the "Ahl al-Bayt" (family of Muhammad) to be written on the authority of the
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