Tenek comments on Harry Potter and the Methods of Rationality discussion thread, part 17, chapter 86 - Less Wrong
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Comments (606)
Svsgl-sbhe.
Makes sense. Six possible one-directional (A loves B, B loves A, etc) relationships that can be either present or not, so 2^6 = 64. Each person has 3 graphs where they're disconnected but the others are not (A loves B, B loves A, A and B love each other), and one where there are no connections at all. 64 - 3*3 - 1 = 54.