Glossary of Philosophical Terms

A comprehensive collection of philosophical concepts, terms, and ideas

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Filter by category: All Aesthetics Ancient Philosophy Epistemology Ethics Existentialism Logic Metaphysics Political Philosophy

Self-deception in which one denies their freedom and responsibility, treating oneself as a mere thing.

Existentialism Jean-Paul Sartre

The most fundamental concept in philosophy, referring to existence itself or the nature of what exists.

Metaphysics Parmenides, Aristotle, Heidegger

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