If I ask the “you” that sees the living cat how many cats you see, you’ll answer “just one.” And if I ask the same question of the “you” in the other branch of the wave function, the one with the dead cat, the answer will be the same (though your tone of voice will probably be quite different). The same thing happens, Everett pointed out, if I ask each copy of you how many selves you see. There is only one copy of you in each branch of the wave function, and, even if you repeat the experiment, this will still be true—there will be more branches, but each branch will still only have one copy of
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