1. Al-Husayn Muhammad has narrated from Mu‘alla’ ibn Muhammad from al-Hassan ibn Ali al-Washsha’ from Hammad ibn ‘Uthaman who has narrated the following: “I once heard abu ‘Abd Allah عليه السلام, saying that in the case of a loan ’ Amir al-Mu’minin, Ali, Alayhi al-Salam, would accept the testimony of one person with the oath of the plaintiff.”’