Nuprl - Proof: iter via intseg wf 1 1

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At: iter via intseg wf 1 1

1. A : Type
2. f : A

A
3. u : A
4. a :

, b:

. b

n+a

(

e:({a..b

}

A). (Iter(f;u) i:{a..b

}. e(i))

By:	CompNatInd Concl

Generated subgoal:

1 5. n :
6. n1:.
6. n1<n (b:. bn1+a (e:({a..b}A). (Iter(f;u) i:{a..b}. e(i)) A))
b:. bn+a (e:({a..b}A). (Iter(f;u) i:{a..b}. e(i)) A)
4 steps

About:

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