Abstract

An examination of the history of the development of the philosophical issues in the West indicates that since the Demiurge (Demiourgos) of Plato in_ the Timaeus_ created the sensible world in imitation of the intelligible archetypes, failing at the same time, to overcome some necessities, until the beginning of the seventeenth century and the emergence of the Cartesian anthropocentric conception of reality, the common question most often raised by modern philosophers, in their discussions about the nature of God, man and universes in this: What is Justice? Is God just? Was man created in the best form? Is the existing world, the best among all the possible worlds? The answer to these questions among the Christian thinkers before Leibniz (1646- 1716) was mostly based on the principles of dogmatic theology. Even in the fifteenth century the question as to how God's providence and foreknowledge could be reconciled with the human free choice was the pivot and axis of most philosophical and theological problems. In addition, the progress of natural sciences and the emergence of necessary causal laws in the domain of the various sciences impaired the human freedom of choice.Spinoza and Leibniz, each in his own peculiar way, endeavored to prove that the human free choice is compatible with the causal determinism required. By science. In Leibniz, God wills the most harmonious and compossible worlds. In the present article, prior to Leibniz's rational justifications of the principle of "the best possible World", his conception of the world as based on the principle of the pre-established harmony (in the framework of the monads ), along with some other related issues are analyzed.