Doctrine of Determinism and Free Will in Conjunction of Ashari's and St Augustine's Opinions

This article has adressed the concepts of determinism and free will, predestination, original sin, grace and their application in Christian theology. Furthermore discussion Augustine's views in determinism and priest Pelagius's opinions who opposed him, have been studied. The researcher has obtained their opinions by translating Augustine's writings against Pelagius and his followers. In following the discussion also reviews Abu al-Hasan al-Ashari's thoughts in determinism and freewill, and theory of acquisition written by him. His opponent's views; the sect Mutazilah, is discussed and explained in comparison in the viewpoints of the two factions in the Islamic theology and Augustine's view of determinism and free will. Augustine's doctrine of grace is the way out of the quagmire of determinism in Catholic theology. In the same vein Abu al-Hasan al-Ashari has opened the way with the idea of designing complete determinism and acquisition's theory is protected him from accusation of determinism. His critics, however, believe that these theories are do not protect the both renowned theologians from determinism. In addition to the aforementioned issues common or other distinguishing features of these two thinkers of the Islamic Christian theology have been investigated.