Nuprl - Proof: hanoi seq deepen seq 1 1 2

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At: hanoi seq deepen seq 1 1 2

1. a :

2. z :

3. n :

4. s : {a...z}

{1...n}

Peg
5. n' :

6. n

n'
7. h : {n+1...n'}

Peg
8. x : {a...z}
9. x' : {a...z}
10. x+1 = x'
11. k : {1...n}
12. i : {1...k-1}
13. s(x,i)

s(x,k) & s(x',i)

s(x',k)

(s(?) {to n}

h {to n'})(x,i)

(s(?) {to n}

h {to n'})(x,k)

& (s(?) {to n}

h {to n'})(x',i)

(s(?) {to n}

h {to n'})(x',k)

By:	Rewrite by Thm: hanoi seq deepen loweq

Generated subgoals:

None

About:

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