You look at a butterfly and see the color of its wings. In relation to me, a relation is established between you and the butterfly: the butterfly and you are now in an entangled state. Even if the butterfly moves away from you, the fact remains that if I look at the color of its wings and ask you which color you have seen, I will find that our answers match . . . even if it is not impossible that there will be subtle interference phenomena with the configuration whereby the butterfly is a different color. All the information that we have about the world, considered externally, is in these
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