The constant vector represented a universe. In every example, it was a linear combination of the other two universes as well as the two Marissas—meaning it shared a commonality with them all. This property, she understood, was the link that connected the Marissa in one universe with the Marissa in another: consciousness. Marissa’s consciousness was not something that belonged solely to her. It wasn’t even something that existed within her. It existed in a separate universe, and it was shared by every Marissa across dimensions. That the Universe of Consciousness remained constant took on a new
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