Study of the descendents of the ...

Study of the descendents of the : On page 49, he states that anyone who lacks knowledge on this subject is bound to make errors in regard to many traditions. `Ilm jarh wa ta'dil (lit. challenging the validity, and settlement, or amendment): On page 82, he states that this involves two distinct disciplines. Study of al-sahih and al-saqim (said of hadith): On page 58, he states that this study is different from `Ilm jarh wa ta'dil mentioned before. `Ilm fiqh al-hadith.

Study of the nasikh and mansukh in hadith. Study of uncommon words in the text of hadith: On page 88, he states that this study began after the period of the Atba' al-Tabi'in. Among…