The Meaning of Ahad Hadith and Its Types

Question:
The questioner asks: What is meant by an ahad hadith, and is it a proof?

Answer:
Ahad hadith is that which is narrated by a single individual, in contrast to mutawatir (mass-transmitted) hadith. Mutawatir is what a group of narrators narrates from a similar group, from the beginning of the chain to its end; this is mutawatir.
As for ahad, it is what is narrated by… ahad is divided into three types: mashhur (well-known), 'aziz (rare), and gharib (strange). Ahad has three types. Mashhur is what is narrated by three or more, or… and 'aziz is what is narrated by three or fewer from a similar group, what is narrated by three from a similar group. And as for 'aziz, it is what is narrated by… and as for mashhur, it is what is narrated by three, 'aziz is what is narrated by two, and gharib is what a single person narrates alone. This is the detail. Yes.