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1. n: {2...}
2. f:(n(-1+n)). i:n, j:i. f(i) = f(j)
3. f: (1+n)n
4. iii: {1..(1+n)}
5. (ii:{iii..(1+n)}, jj:ii. f(ii) = f(jj)) (i:iii, j:i. f(i) = f(j))
6. ii:{(1+iii)..(1+n)}, jj:ii. f(ii) = f(jj)
7. fi: n
8. fi = f(iii)
9. x:iii. fi = f(x)

i:(1+iii), j:i. f(i) = f(j)

By:
Analyze 5
THEN
Analyze -1
THEN
Analyze -1


Generated subgoals:

15. ii:{(1+iii)..(1+n)}, jj:ii. f(ii) = f(jj)
6. fi: n
7. fi = f(iii)
8. x:iii. fi = f(x)
ii:{iii..(1+n)}, jj:ii. f(ii) = f(jj)
25. ii:{(1+iii)..(1+n)}, jj:ii. f(ii) = f(jj)
6. fi: n
7. fi = f(iii)
8. x:iii. fi = f(x)
9. i: iii
10. j: i
11. f(i) = f(j)
i:(1+iii), j:i. f(i) = f(j)


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