Cover of The Critique of Pure Reason

The Critique of Pure Reason

by Immanuel Kant

First published
1781
Reading level
Demanding
Price
Free

About the book

"The Critique of Pure Reason" by Immanuel Kant is a philosophical work published in 1781. Kant investigates the limits and scope of metaphysics, asking how we can know anything before experiencing it. He challenges both rationalist and empiricist traditions, introducing revolutionary ideas about space, time, and knowledge. The central question driving the work is: "How are synthetic a priori judgments possible?" Kant argues this matter is crucial to the survival of human reason itself.

  • Knowledge, Theory of
  • Causation
  • Reason
  • Philosophy, German

Updated September 2026. Public domain in the USA. Text and summary from Project Gutenberg eBook #4280. The Critique of Pure Reason on Wikipedia.

More free books by Immanuel Kant

About Immanuel Kant