Nuprl - Proof: decidable all int seg 1 1

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At: decidable all int seg 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))

Dec(

k:{i..j

}. F(k))

By:	FwdThru: Thm* Dec(P) Dec(P) on [ Hyp:-1 ]

Generated subgoal:

1 6. Dec((k:{i..j}. F(k)))
Dec(k:{i..j}. F(k))
2 steps

About:

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