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exponent
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AutomataTheory
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At:
auto2
lemma
6
1
1
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1
1.
n:
2.
0 < n
3.
T:
Type
4.
R:
T
Prop
5.
f:
n
T
6.
Bij(
n; T; f)
7.
t:T. Dec(R(t))
f
(n-1)
{t:T|
t = f(n-1) }
By:
ExtWith [] [
n
T]
Generated subgoal:
1
8.
x:
(n-1)
f(x)
{t:T|
t = f(n-1) }
About:
(n-1)
f(x) 
{t:T| 
t = f(n-1) }
PropnTn; T; f)
t:T. Dec(R(t)) f (n-1){t:T| t = f(n-1) }nT](n-1) f(x) {t:T| t = f(n-1) }
