.@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.
@kayfaraday @InstantOfTime Technically a hand-drawn Y could have D_6 symmetry but not in a font tied to a square grid of pixels.
9:35 PM - 8 Dec 2015
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.