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typodupeerror
  • 16

    Achievements

  • 22

    Days Read in a Row 2009-12-18

  • Posted a Comment 2009-02-20

  • Had a Comment Modded Up 2011-05-12

  • 10

    Years Read 2017-04-02

  • Spent All My Mod Points 2011-11-01

What are these achievement things?

Every nonzero finite dimensional inner product space has an orthonormal basis. It makes sense, when you don't think about it.

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