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Jul
26
comment Is $\mathbb R^7$ minimally sufficient for embedding 3 tetrahedra - ABCD, ABEF, and CEGH - of equal edge length?
Mind=blown. But can you point me in the right direction for getting an intuition for what you mean by "folding into", or thinking more fluidly about this? I guess I should work on understanding R^3 first...
Jul
25
comment Is $\mathbb R^7$ minimally sufficient for embedding 3 tetrahedra - ABCD, ABEF, and CEGH - of equal edge length?
Wow, you guys are right. Thank you. I'm terrible at thinking in 3d - rotation was the trick.