Philosophical Dictionary

Plato's Cave usually stops at 'enlightenment.' The real ending, from Republic Book VII, has a prisoner going blind twice and one exact line about killing anyone who tries to free the others. Here's what the Cave actually says about truth, education, and who gets punished for ending an illusion.

Discover Descartes' method of doubt: the radical skepticism that challenged dogmatism and changed philosophy forever. Learn how questioning everything led to "I think, therefore I am" and why this 17th-century method remains essential for critical thinking in our age of misinformation and fake news.

We discuss Thomas Nagel's ideas on the limitations of human knowledge and how much we can know about subjectivity of experience outside our own. Can we know what it is like to be a bat?

Explore the Münchhausen trilemma, the fascinating philosophical puzzle that shows why all knowledge faces three unsatisfying options: infinite regress, circular reasoning, or unprovable assumptions. Learn why absolute certainty is elusive and how to think more clearly anyway.

Ever noticed how your online world seems perfectly tailored to your tastes? While this personalization can be convenient, it also raises some unsettling questions.

In which we discuss epistemology in the terms of Socrates and his final dialogue, the Apology. What do we know? How do we know it? We touch on this from the context of the founder of Western philosophy.