english: of the Ahl al-Sunnah (al-Sahih, al-hasan, and al-da'if), and four basic kinds from the viewpoint of the Shi`ah (al-sahih, al-hasan, al- muwaththaq, and al-da'if).
non_english: À í ò ü à ó õ â Ì â â þ è To, on o å ü å û: â and â ð. å û, å ê à, û, é ñ, â â ì, ÿ, â ì, â í, and â ì Ã å Ã ÿ â and õ.