Logic

On the Future of our Educational Institutions

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

Thoughts out of Season

Introduction to Logic

Hegel's Realm of Shadows

Prolegomena to the Study of Hegel's Philosophy, and Especially of His Logic

What the Tortoise Said to Achilles

Of the Conduct of the Understanding

The Essays of Arthur Schopenhauer; the Art of Controversy

Conceptual Harmonies

A Philosophical Essay on Probabilities

The Art of Philosophizing

Organon — Prior Analytics