Hadith of Golden Chain of that the hadith is called "golden chain". Because of that, this hadith was named Al-Silsilah al-Dhahab. Al-Silsilah al-Dhahab is Musnad. Twenty (or ten or thirty) thousands have narrated this event, but only fifty narrations are available. The chain of the narrators of the hadith reaches the Prophet of Islam through Ahl al-Bayt, hence called Hadith of Golden Chain. Hadith of Golden Chain Hadith al-Silsilah al-Dhahab () (Hadith of the Golden Chain) is a hadith narrated from Ali al-Ridha, the eighth Imam of the Shia. The "chain" is a reference to the continuity of spiritual authority which is passed down
Genus–differentia definition Genus–differentia definition A genus–differentia definition is a type of intensional definition, and it is composed of two parts: For example, consider these two definitions: Those definitions can be expressed as one genus and two "differentiae": The process of producing new definitions by "extending" existing definitions is commonly known as differentiation (and also as derivation). The reverse process, by which just part of an existing definition is used itself as a new definition, is called abstraction; the new definition is called "an abstraction" and it is said to have been "abstracted away from" the existing definition. For instance, consider the following: