بررسی پدیده «زیاده و نقیصه» در روایات

“Addition and Detraction” in narrations, in the sense of adding or detracting something from them, is one of the defects which has found its way into hadith and to identify and pay attention to its undesirable consequences need a comprehensive research. Scholars of hadith have always paid attention to this defect and believe one of the preliminary steps in using hadith is to purify hadith from this defect, for even a little change and adding to or detracting from hadith would prevent us from grasping the main intention of the immaculate Imam. Therefore, paying attention to the defect of “addition and detraction” is of much importance. The present article adopts a descriptive-analytic method to investigate this phenomenon and tries to study its kinds, reasons and consequences in hadith.