Universities teaching courses on Shi’i Islam, Islamic law, or Fatimid history require primary sources. The Fyzee translation is a standard text in PhD reading lists.

: Covers social and civil matters such as marriage, trade, inheritance, and food laws.

If you need Daim al-Islam for serious study or religious practice:

It provides a window into the administrative and religious life of one of history's most influential empires. seven pillars as defined in the text, or are you looking for a specific legal ruling within the volumes?