الوجيز في أصول الفقه

Al-Wajeez in Usul al-Fiqh is the science that the mujtahids developed as a basis for ijtihad and deriving legal rulings from textual and diligent legal sources and evidence.

Al-Wajeez in the principles of jurisprudence, so this was the accurate control of the principles of ijtihad, and the pillar in understanding the Sharia, so it was the most valuable for any jurist or agreement, scholar or learner, to provide him with the theories of the mujtahids, and train him on how to understand the rulings