Nuprl - Proof: comp id l 1 1

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At: comp id l 1 1

1. A : Type
2. B : Type
3. f : A

(

x.(

x.x)(f(x))) = f

By:

Reduce 0

Generated subgoal:

1 (x.f(x)) = f
1 step

About:

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html