Hadith of warning Hadith of warning The Hadith of Warning or Yawm al-Inzar (), also known as Invitation of the close families of Muhammad (دعوة ذو العشیرة - Da‘wat dhul-‘Ashīrah) is an event that took place in the fourth year of Islam. Shias use this hadith to prove Ali ibn Abi Talib's claim as the rightful successor to Muhammad. Muhammad invited people to Islam in secret for three years before he started inviting them publicly. In the fourth year of Islam, when Muhammad was commanded to invite his closer relatives to come to Islam he gathered the Banu Hashim clan in a ceremony.
Hadith terminology "with something, such as numerous chains of narration, strengthening it." Ibn Hajar's definitions indicate that there are five conditions to be met for a particular "hadith" to be considered "ṣaḥīḥ": A number of books were authored in which the author stipulated the inclusion of "ṣaḥīḥ hadith" alone. According to Ahl al-Sunna, this was only achieved by the first two books in the following list: "Ḥasan" ( meaning "good") is used to describe "hadith" whose authenticity is not as well-established as that of "ṣaḥīḥ hadith", but sufficient for use as supporting evidence. Ibn Hajar defines a "hadith" that is "ḥasan lithatihi"""ḥasan"