第五章
Chapter Five
习惯（العرف）与持续原则（الاستصحاب）
Al-‘urf And Al-istishaab
首先：'Urf（习俗）
Firstly: Al-’Urf (custom):
1 – 其定义及其重要性。
1 – Its definition and its importance.
2 – 被视为证据（Hujjah）的'Urf（习惯）的类型及其依据，学者们对此的观点，以及其条件（Shuroot）。
2 – The (type of) ‘Urf that is considered to be a Hujjah and its evidences, the opinions of the ‘Ulamaa in respect to it and its Shuroot (conditions).
3 – 习惯（al-‘Urf）的类别（Aqsaam）及习惯的运用示例。
3 – The categories (Aqsaam) of Al-‘Urf and examples of the application of Al-‘Urf.
4 ——将“习惯法”（Al-‘Urf）作为人制定法律的来源。
4 – Al-‘Urf as a source for man-made laws.