A connected reference for exploring the history and core questions of philosophy. Navigate by branch, by thinker, or by concept — every entry links outward.
- [[Epistemology]] — the study of knowledge and justified belief
- [[Metaphysics]] — the study of reality, being, and existence
- [[Ethics]] — the study of morality and how to live well
- [[Logic]] — the study of valid reasoning and argument
- [[Aesthetics]] — the study of beauty, art, and taste
- [[Political Philosophy]] — the study of justice, authority, and society
| Philosopher | Era | Known For |
|---|---|---|
| [[Socrates]] | Classical Greek | Dialectic method, the examined life |
| [[Plato]] | Classical Greek | [[The Forms]], the ideal state |
| [[Aristotle]] | Classical Greek | [[Logic]], [[Virtue Ethics]], empiricism |
| [[Descartes]] | Early Modern | Cogito, mind-body dualism |
| [[Hume]] | Enlightenment | Empiricism, skepticism, causation |
| [[Locke]] | Enlightenment | Natural rights, tabula rasa |
| [[Rousseau]] | Enlightenment | [[Social Contract]], general will |
| [[Kant]] | Late Enlightenment | [[Categorical Imperative]], critique of reason |
| [[Hegel]] | German Idealism | [[Dialectics]], Absolute Spirit |
| [[Marx]] | 19th Century | Historical materialism, class struggle |
| [[Nietzsche]] | 19th Century | Will to power, eternal return |
| [[Wittgenstein]] | 20th Century | Language games, picture theory |
- [[The Forms]] — Plato's theory of abstract perfect universals
- [[Allegory of the Cave]] — Plato's metaphor for enlightenment and illusion
- [[Categorical Imperative]] — Kant's supreme principle of morality
- [[Social Contract]] — the basis of political legitimacy
- [[Dialectics]] — the logic of contradiction and synthesis
- [[Existentialism]] — philosophy of freedom and authentic existence
- [[Phenomenology]] — the study of structures of lived experience
- [[Utilitarianism]] — maximize the greatest good for the greatest number
- [[Virtue Ethics]] — character as the foundation of moral life
- [[Free Will]] — the question of whether choices are genuinely free
- [[Consciousness]] — the hard problem of subjective experience