The Comparative Study of the Principle of Grace in the View of The Islamic Theologians

The principle of Grace is the important theologic principle that the different theologic schools in islam applied it in verification of the some of their tenent.The Imamie theologians verificated the principle of Imamat and the mu’tazilite theologians verified the necessity of the promise and threat by the principle of grace. But the Ash’arite theologians and some of the mu’tazila of Baghdad denied this principle and refuted it. As a purpose of this article is the concidering the importance of this principle in the Islamic theology studied the Islamic theologian’s rational proofs in verification of the necessity of Grace. In adition to the study of the view of the Sunnite theologians about the principle of Gace And critique of the rational proofs that the opponents of the principle of Grace applied in Refutation of the necessity of Grace. As a result of this article with the study of the Islamic theologian’s rational proofs in verification of the necessity of Grace that even the rational proofs that verification of the necessity of Grace by devine mercy and his generosity and his liberality are the certain proofs and have the rational necessity.