Differencebetween the creeds “Bad ul amali” and “Risala fi-l-I tikad”

This article provides a comparative analysis of the scientific legacies of Sirajiddin Ali ibn Usman Ushiy and Alauddin Bukhari, two members of the Ahl as-Sunnah wa'l-Jama'ah who lived in Movarounnahr. In the comparative analysis of the scientific heritage of the two scholars, the works of Sirajiddin Ali ibn Usman Ushiy's "Bad`u-l-amaliy" and Alauddin Bukhari's "Risala fi-l-i`tikad" are the object of the article. The article describes the commonalities and differences of these works on a scientific basis.