William Edward Burghardt Du Bois (1868—1963) W. E. B. Du Bois was an important American thinker: a poet, philosopher, economic historian, sociologist, and social critic. His work resists easy classification. This article focuses exclusively on Du Bois’ contribution to philosophy; but the reader must keep in mind throughout that Du Bois is more than a philosopher; he is, for many, a great social leader. His

The Axiology of Theism The existential question about God asks whether God exists, but the axiology of theism addresses the question of what value-impact, if any, God’s existence does (or would) have on our world and its inhabitants. There are two prominent answers to the axiological question about God. Pro-theism is the view that God’s existence does (or would) add value to our world. Anti-theism,

Defeaters in Epistemology The concept of epistemic defeat or defeasibility has come to occupy an important place in contemporary epistemology, especially in relation to the closely allied concepts of justified belief, warrant, and knowledge. These allied concepts signify positive epistemic appraisal or positive epistemic status. As a first approximation, defeasibility refers to a belief’s liability to lose some positive epistemic status, or to having this

Immanuel Kant: Metaphysics Immanuel Kant (1724-1804) is one of the most influential philosophers in the history of Western philosophy. His contributions to metaphysics, epistemology, ethics, and aesthetics have had a profound impact on almost every philosophical movement that followed him. This article focuses on his metaphysics and epistemology in one of his most important works, The Critique of Pure Reason. A large part of Kant’s

What Else Science Requires of Time This article is one of the two supplements of the main Time article. The other is “Frequently Asked Questions about Time.” Table of Contents What are Theories of Physics? The Core Theory Relativity Theory Quantum Theory The Standard Model Big Bang Cosmic Inflation Eternal Inflation and the Multiverse Infinite Time 1. What are Theories of Physics? The answer to

Ernst Cassirer (1874-1945) Ernst Cassirer was the most prominent, and the last, Neo-Kantian philosopher of the twentieth century. His major philosophical contribution was the transformation of his teacher Hermann Cohen’s mathematical-logical adaptation of Kant’s transcendental idealism into a comprehensive philosophy of symbolic forms intended to address all aspects of human cultural life and creativity. In doing so, Cassirer paid equal attention to both sides of