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At: min ar alt 2 1 2

1. f:
2. n:
3. i: (n+1)
4. f(n-i) = f(n)
5. j:
6. 0 < j
7. j < n-i+1
8. MinAr(f;j-1+i;n) = MinAr(f;j-1;n-i)+i
9. f(n-(j+i)) = f(n)
10. f(n-i-j) = f(n-i)

j+i = MinAr(f;j-1;n-i)+i

By:
Assert (n-(j+i) = n-i-j)
THEN
RWH (HypC 11) 9
THEN
Thin 11


Generated subgoal:

19. f(n-i-j) = f(n)
10. f(n-i-j) = f(n-i)
j+i = MinAr(f;j-1;n-i)+i


About:
equalintaddsubtractnatural_number
functionboolapplyless_than