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Disk moves can be reversed.

At: hanoi step at sym


  n:f,g:({1...n}Peg), k:{1...n}.
  Moving disk k of n takes f to g  Moving disk k of n takes g to f


By: Auto


Generated subgoal:

1 1. n : 
2. f : {1...n}Peg
3. g : {1...n}Peg
4. k : {1...n}
5. Moving disk k of n takes f to g
  Moving disk k of n takes g to f

3 steps

About:
natural_numberfunctionimpliesall
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(4steps total) PrintForm Definitions HanoiTowers Sections NuprlLIB Doc