Logic

On Sense and the Sensible

Time, Thought, and Vulnerability

Equations from God

Organon

Stoicism

Categories (Κατηγορίαι)

A book in answers

Mysticism and Logic

On the Future of our Educational Institutions

The Case of Wagner, Nietzsche Contra Wagner, and Selected Aphorisms

Thoughts out of Season

How to Reason + Reasoning in the Sciences

Peirce's Cosmology

Essays on Some Unsettled Questions of Political Economy

Critique of Practical Reason (Kritik der praktischen Vernunft)

Some Thoughts Concerning Education

What the Tortoise Said to Achilles

Chance, Love, and Logic

Hegel's Realm of Shadows

Introduction to Logic