These include epistemology, logic, metaphysics, ethics, and aesthetics.

The categories range from angel to world, and include democracy, infinity, life and death, metaphysics, punishment, theology and war and peace.

His interests included political philosophy, metaphysics, epistemology, aesthetics, logic, and philosophy of education.

His research interests include epistemology, metaphysics and the philosophy of mind.

Young men wishing further education could proceed to one of eight medreses (colleges), whose studies included grammar, metaphysics, philosophy, astronomy, and astrology.

Thus, "philosophy" ("love of wisdom" in Greek) at that time included both "physics" and "metaphysics".

His current interests at Trent University include ethics, political philosophy, formal logic, philosophy of logic, and metaphysics.

The topics of Dr. Weiss's books include metaphysics, cosmology and theology.

Leftow's research interests include metaphysics, medieval philosophy, and philosophical theology.

His wide range of research includes metaphysics, political philosophy, and history of western philosophy.