In English and Latin

In the questions contained in this volume, Francis of Marchia explores subjects that earned him his fame in the Middle Ages and in the history of ideas: physics and philosophical psychology. He confronts the key issues in celestial physics, concluding with his well-known proofs for terrestrial and celestial beings having the same type of matter. Marchia's discussion of how elemental qualities persist in mixtures leads to a spirited and unique defense of a mind-body dualism: not even the sensory faculties are coextensive with the body. Moreover, each living being...