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Yin Yang Principle and Chess(continuation of Optimal Design ..). Missing description[All Comments] [Add Comment or Rating]
🕸Fergus Duniho wrote on Thu, Jul 6, 2006 09:19 PM EDT:
By central symmetry, I assume you mean the same thing I have described as rotational symmetry, which means that one side looks the same as the other when rotated 180 degrees.