Mark_Eichenlaub comments on Stupid Questions Open Thread Round 2

Mark_Eichenlaub 21 Apr 2012 22:42 UTC
1 point
What’s 3^^^3?

Is this Knuth’s arrow notation?
- Mark_Eichenlaub 21 Apr 2012 22:44 UTC
  18 points
  Parent
  wait, that was easier to search than I thought. http://lesswrong.com/lw/kn/torture_vs_dust_specks/
  
  Yes, it is Knuth’s arrow notation.