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Philosophy

Personal Identity and the Ship of Theseus

Quick fact

The Ship of Theseus paradox dates back to ancient Greece and was discussed by philosophers like Plutarch and Thomas Hobbes. It remains one of the most enduring puzzles for theories of identity.

Why this is interesting

Imagine your childhood bicycle: over years, every single part is replaced. Is it still the same bicycle? Now imagine your own body and mind undergoing constant change—are you still the same person you were a decade ago?

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