Nuprl - Proof: hanoi step at change 1 1 1

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At: hanoi step at change 1 1 1

1. n :

2. f : {1...n}

Peg
3. g : {1...n}

Peg
4. j : {1...n}
5.

k:{1...n}. Moving disk k of n takes f to g

f(j)

g(j)

j = k
6.

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

g(j)
8. k : {1...n}
9. Moving disk k of n takes f to g
10. j = k

Moving disk j of n takes f to g

By:	Subst: j = k {1...n}

Generated subgoals:

None

About:

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