Leslie Armour works in a variety of fields: metaphysics and its epistemological relations, the theory of the history of philosophy (focusing on the 17th and 19th centuries), and moral, social, and economic philosophy and their relations to culture and religion. His current work includes studies on skepticism, the metaphysics of community, and the metaphysical and epistemological underpinnings of ideas of religious tolerance. Leslie Armour is a member of the editorial boards of Laval Philosophique et Theologique and The International Journal of Social Economics and a fellow of the Royal Society of Canada.