Now imagine a slightly different scenario. Let’s say we have the technology to read out your biological brain without affecting it. Now when you flip the switch, your brain is copied to a computer, but you feel nothing. Moments later, the computer says, “Yay! I’m alive.” But you, the biological-you, are still here too. There are two of you now, one in a biological body and one in a computer body. The computer-you says, “Now that I’m uploaded, I don’t need my old body, so please dispose of it.” The biological-you says, “Wait a second. I’m still here, I don’t feel any different, and I don’t want
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