Investigating the Prophets’ Infallibility according to Surah Al-Qasas 16 and its lexical & verbal analysis

This paper seeks to prove the Prophets’ Infallibility according to Surah Al-Qasas 16, based on narrative and rational evidences, and also studies the possibility of infallibility’s existence and whether it is algebraic or not. At the first step, the term of infallibility is studied lexically, by using Persian and Arabic lexicons, and then Shi’a and Sunni commentators’ opinions for this verse are provided. And then different views about infallibility such as: 1- Theory of mercy 2- creation, (mood) 3- spiritual mind 4- wisdom complementation, are studied. Consequences of considering the infallibility as an algebraic matter, is one of the important issues in this article. The possibility of infallibility is discussed at last. This article is tried in library approach and studying concerned books and articles, and author could, by their detailed study, write titles briefly and with a little innovation.