On Legal Theory of Muslim Jurisprudence

  (Redirected from Al-Mustasfa fi 'ilm al-isul)

Al-mustasfa min 'ilm al-usul (Arabic: المستصفى من علم الأصول‎) or On Legal theory of Muslim Jurisprudence is a 12th-century treatise written by Abū Ḥāmid Muḥammad ibn Muḥammad al-Ghazali(Q.S).[1] While Ghazali was deeply involved in Tasawwuf and Kalam, Islamic Law and Jurisprudence formed the core of his concerns.[2][3]

Al-Mustasfa min 'ilm al-usul
SubjectIslamic Law and Islamic Jurisprudence
Publication date
12th century


Most of Ghazali's activity was in the field of jurisprudence and theology. He completed this book towards the end of his life. The book described:[3]

The Sharia rulesEdit

The sharia rules were further categorized into following.

  • The Essence of the Rules
  • The Categories of the Rules
  • The Constituents of the Rules

The Sources of the rulesEdit

The sources of the rules included.


  1. ^ Böwering, Gerhard; Crone, Patricia; Mirza, Mahan (31 January 2018). "The Princeton Encyclopedia of Islamic Political Thought". Princeton University Press – via Google Books.
  2. ^ Publishing, Britannica Educational (1 October 2009). "The 100 Most Influential Philosophers of All Time". Britannica Educational Publishing – via Google Books.
  3. ^ a b "Dissertation" (PDF). ghazali.org.