Methodology and Structure

The Kashf al-Asrar follows the structure of the text it comments upon — al-Bazdawi's Kanz al-Wusul. This means its organization follows the standard Hanafi usul arrangement: beginning with an introduction on the foundations of knowledge and legal theory, then treating the Quran, the Sunnah, ijma', and qiyas as the primary sources of law, then addressing the secondary and disputed sources, and finally the theory of ijtihad and legal reasoning.

As a sharh (commentary), the Kashf al-Asrar typically proceeds by quoting a section of al-Bazdawi's text, then expanding upon it in several ways: explaining the meaning of technical terms, providing examples that illustrate the principle under discussion, recording the positions of other Hanafi scholars on the question, engaging with criticisms of the Hanafi position from other schools (particularly the Shafi'i school), and presenting and refuting counterarguments.

al-Bukhari's commentary is distinguished by its depth of engagement with cross-school comparative analysis. More than most Hanafi commentators, he engages seriously with the arguments of the mutakallimun tradition — al-Ghazali, ar-Razi, al-Amidi — presenting their positions fairly and responding to them with care. This engagement elevates the Kashf al-Asrar above narrowly partisan commentary into genuine scholarly dialogue between the traditions.

The treatment of contested methodological questions within the Hanafi school itself is also notable. Al-Bukhari records disagreements between Abu Hanifah, Abu Yusuf, Muhammad ash-Shaybani, and az-Zufar — the four major figures of the early Hanafi school — on specific usul questions, preserving internal diversity that simpler accounts of "the Hanafi position" would obscure.

The language of the commentary is technical classical Arabic of the scholarly tradition — demanding reading that presupposes familiarity with the vocabulary and debates of usul al-fiqh. It is not a text for beginners but for students who have already acquired the foundation through simpler texts and are ready for advanced engagement with the detailed arguments of the tradition.

The scale of the Kashf al-Asrar is substantial — the standard modern edition runs to four substantial volumes — reflecting both al-Bazdawi's comprehensive coverage in the base text and al-Bukhari's thoroughness in commentary. This scale puts it in the same category as al-Amidi's Ihkam as a reference work rather than a course text.