At: fun enumer 1 2 1 2 2 1 2 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1
1. n: 
2. m: 
3. 0 < m
4. f: (
(m-1)

n)

(n
m-1)
5.
n = 0
6. f1:
n
(n
m-1)

(n
m)
7.
a1,a2:(
n
(n
m-1)). f1(a1) = f1(a2)
(n
(n
m-1)) 
a1 = a2
8. a1:
m

n
9. a2:
m

n
10. f1( < a1(m-1),f(a1) > ) = f1( < a2(m-1),f(a2) > )
11. a1(m-1) = a2(m-1)
12. f(a1) = f(a2)
13. x:
m
14.
x = m-1
m
15. a1 = a2
(m-1)

n
x
(m-1)
By: Auto
Generated subgoal:| 1 | x < m-1 |
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