Abstract
This chapter is an expository essay on Alexander’s character as a philosopher and his philosophical system. Alexander’s belief in the substance of philosophy and its classical problems is compared and contrasted with positivism and linguisticism, arguing that the latter schools of thought are anti-philosophical at root. The main aspects of Alexander’s philosophy are outlined such as his theory of space and time, the categories, emergentism, realist epistemology, and God, with various criticisms. It is further argued however that Alexander’s approach to philosophy has value in large part because he proposed a constructive hypothesis about reality that allows us to consider a comprehensive vision of the world’s structure.