Nuprl - Proof: inv pair inv 1 1 1 1

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At: inv pair inv 1 1 1 1

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

B
4. g : B

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

x.*,

y.*>

InvFuns(A;B;f;g)

By:	Def THEN BackThru: Hyp:5

Generated subgoals:

None

About:

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