.@kayfaraday @InstantOfTime x has a D_4 or D_8 symmetry group, depending on the font. y's symmetries are either trivial or Z_2.
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Replying to @okayultra
@okayultra @kayfaraday @InstantOfTime _muttlaugh_
2:06 PM - 8 Dec 2015
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.