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  • Submitted a Story That Was Posted 2013-08-20

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    Days Read in a Row 2012-12-21

  • Posted a Comment 2012-04-18

  • The Maker 2013-08-20

  • Had a Comment Modded Up 2012-04-19

  • Years Read 2013-05-22

What are these achievement things?

We warn the reader in advance that the proof presented here depends on a clever but highly unmotivated trick. -- Howard Anton, "Elementary Linear Algebra"