To examine the existential theories of Islamic schools of thought with their main determinants and different aspects, and to provide a foundation for graduate students who will study in the field of the history of Islamic thought by examining the works and views of prominent thinkers on this subject from a critical perspective.

Schools of Islamic Thought in the Classical Period, Theology and Theories of Being of Theologians, Theories of Being of Sufism and Sufis, Theories of Being of Philosophy and Philosophers, Research-Analysis and Criticism.