The dominance of science as well as its status are indisputable in todays culture. Today, while rationality has come to be identified with science, natural science is considered to be the best instance of rational thought. Halil Rahman Açar expounds the problem of rationality that has always been a core philosophical issue as it is today. Açar presents to us, rationality, not only as an issue of science or philosophy, but also of ethics, religion, psychology, sociology and anthropology. He critiques the ide