A Reconsideration of Rijali Status of Ishaq bn Ammar

Differentiation of commonalities and union of differences are among the most important and extensive discussions of the knowledge of rijal. It is so important that scientific power of a rejali scholar is measured by his knowledge of differentiation of commonalities and union of differences. Mushtarakat or commonalities in the knowledge of rijal are the same as literal common words in the knowledge of principles of jurisprudence. Mukhtalafat or differences are the same as traduf (synonymity). Ishaq bn `Ammar is one of those hadith reporters who are the center of many scientific debates. Many believe that he is one in different names and places so they discuss about his identity within the union of differences and some believe that this name belong to many so they discuss about them within differentiation of commonalities. Due to the importance of this issue and its result which is used by the conflict of reasons, the author of this paper, gives an account of the raised discussions about him and views the existing opinions in this regard as well as their evidences. Since he is regarded as reliable by every three theories, the author views him from two perspectives: Numerousness and religion.