Philosophy isn't one subject — it's a family of interconnected disciplines, each asking a different fundamental question. Explore all six.
How should we live?
The study of right and wrong, good and evil, virtue and vice. From Aristotle's golden mean to Kant's categorical imperative.
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Key Thinkers
What is real?
The deepest questions about existence, reality, time, and being. What exists? What is the nature of space? What is identity?
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Key Thinkers
What can we know?
The theory of knowledge — what we can know, how we know it, and the limits of human understanding.
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What follows from what?
The study of valid reasoning and argument. What makes a conclusion follow from its premises?
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What is beauty?
The philosophy of art, beauty, and taste. Why do some things move us and others leave us cold?
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How should power be organized?
From Plato's republic to Rawls's veil of ignorance — the philosophical foundations of justice, freedom, and power.
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Key Thinkers