Principle of relativity doubted--Tables of categories: Aristotle, Kant, and Renouvier--Kantian idealism--Phenomenism of Berkeley examined and rejected--Argument of _a priorists_--The intelligence only an inactive consciousness--Huxley's epiphenomenal consciousness--Is the consciousness necessary?--Impossibility of answering this question
CHAPTER VI · DEFINITION OF THE CONSCIOUSNESS--CATEGORIES OF THE UNDERSTANDING
From The Mind and the Brain by Alfred Binet.