Nuprl - Proof: decidable all int seg 1 1 1 1

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At: decidable all int seg 1 1 1 1

1. i :

2. j :

3. F : {i..j

}

Prop
4.

k:{i..j

}. Dec(F(k))
5. Dec(

k:{i..j

F(k))
6. Dec(

(

k:{i..j

F(k)))
7. Dec(

k:{i..j

F(k))

Dec(

k:{i..j

}. F(k))

By:	Rewrite7 by Thm* Dec(A) (A A)

Generated subgoals:

None

About:

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