A Study of Ambiguities Regarding Originality of the Book ‘Ubaidullah Ibn Ali Halabi

after the public movement of writing and recording Hadiths among companions of holy Prophet many books have been penned during and after Imamat of Sadeghin. The book of ‘Ubaidullah ibn Ali Halabi is one of the first Hadith books which enjoys significant importance and is named the first Tasnif of Shia. Some researchers by bringing up doubts bring belonging of this book to Halbi under question. The mentioned ambiguities concerning this book are divided into two main groups. The ambiguities that arise from the quality of the listed reports and the ambiguities that refer to the content of the narrations of the book. In this study, the best attempt is made to investigate the first group ambiguity by analytical descriptive method and answer the raised questions.