Nuprl - Proof: card settype 1 1 1 1 1

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At: card settype 1 1 1 1 1

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

Prop
4. B' : A'

Prop
5. f : A

A'
6. Bij(A; A'; f)
7.

x:A. B(x)

B'(f(x))
8. g : A'

A
9. InvFuns(A;A';f;g)
10. x' : A'
11. B(g(x'))

B'(f(g(x')))

B(g(x'))

B'(x')

By:	Rewrite by Hyp:11

Generated subgoal:

1 B'(f(g(x'))) B'(x')
2 steps

About:

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