Nuprl - Proof: inv pair inv 1 1 1

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At: inv pair inv 1 1 1

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

B
4. g : B

A
5. InvFuns(A;B;f;g)

<f,g,(

x.*),(

y.*)>

(A ~ B)

By:

Def

Generated subgoal:

1 <x.*,y.*> InvFuns(A;B;f;g)
1 step

About:

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