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exponent
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AutomataTheory
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At:
auto2
lemma
6
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1.
n:
2.
0 < n
3.
T:
Type
4.
R:
T
Prop
5.
f:
n
T
6.
Inj(
n; T; f)
7.
t:T. Dec(R(t))
8.
b:
T
9.
b = f(n-1)
10.
a:
n
11.
f(a) = b
12.
a1:
(n-1)
f(a1) = b
{t:T|
t = f(n-1) }
Prop
By:
Auto
Generated subgoal:
1
f(a1)
{t:T|
t = f(n-1) }
About:
f(a1) 
{t:T| 
t = f(n-1) }
Prop
nTn; T; f)
t:T. Dec(R(t))b = f(n-1)n(n-1) f(a1) = b {t:T| t = f(n-1) } Prop f(a1) {t:T| t = f(n-1) }
