Hadith speech of a person. In Islamic terminology, according to Juan Campo, the term "hadith" refers to reports of statements or actions of Muhammad, or of his tacit approval or criticism of something said or done in his presence. Classical hadith specialist Ibn Hajar al-Asqalani says that the intended meaning of "hadith" in religious tradition is something attributed to Muhammad but that is not found in the Quran. Scholar Patricia Crone includes reports by others than Muhammad in her definition of hadith — "short reports (sometimes just a line or two) recording what an early figure, such as a companion of
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"