Nuprl Basics - Proof: sfa doc exteq gfun 1 1 1

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At: sfa doc exteq gfun 1 1 1

1. A : Type
2. B : A

Prop
3. C : {u:A| B(u) }

Type
4. f : x:{u:A| B(u) }

C(x)
5. x : A
6. B(x)

f(x)

C(x)

By:	Analyze THEN Try Trivial

Generated subgoal:

1 x {u:A| B(u) }
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