April 2023

Parfit and the Selves That Matter

Suppose you’re on your daily commute to Mars. You’re about to get beamed up, but something goes wrong—the transporter makes a copy of you on Mars, like it’s supposed to, but it forgets to vaporize you back home. So now there are two of you. And if there are two of you, the question is which one is the real you—the you on Earth, or the you on Mars?

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The Brain as Prediction Machine

Our minds are amazing prediction machines—and sometimes they can even make their predictions come true! There's nothing mystical or magical here—like if you believe in something hard enough, you're going to "manifest" it. We're just talking about the kind of thinking we do all the time

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