1. a :
2. z :
3. n :
4. s : {a...z}{1...n}Peg
5. n' :
6. nn' 7. h : {n+1...n'}Peg
8. s is a Hanoi(n disk) seq on a..z (s(?) {to n} h {to n'}) is a Hanoi(n' disk) seq on a..z
7 steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html