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Derek Parfit
Imagine waking up tomorrow with all your memories, your habits, your personality—but something fundamental has changed. What if the very idea of being the same person, from yesterday to today, is more fragile than it feels?This is not just a puzzle for science fiction. It’s a question that haunted Derek Parfit from the start, and it reshaped how philosophers think about identity and morality. Picture postwar Oxford: a place where philosophy is technical, precise, and almost clinical. Yet beneath the surface, something deeper is unsettled. What makes you you, over time? Can morality really…
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