His professional interests are epistemology, early modern philosophy, and ethics. An alliance between philosophy and theology forms. Therefore, Byzantine science was in every period closely connected with ancient philosophy, and metaphysics. He adhered to the tenets of the mechanical philosophy of his time. The concept is related to the Western philosophy and practice of magic. The two engaged in enlightening discussions of religion, society, philosophy, and government. These concepts are collectively known as the "Unix philosophy". He was a Peripatetic philosopher influenced by Aristotelian philosophy. Danish philosophy has a long tradition as part of Western philosophy. This is one of many issues considered in the philosophy of mathematics. Anthroposophy describes reincarnation from the point of view of Western philosophy and culture. Many of the theories of what caused menstruation prevailed from Hippocratic philosophy. Demonstrative knowledge via philosophy and logic requires special study. There are scholars who question the existence of a Christian philosophy itself. Arguing from the perspective of Platonic political philosophy (cf.