Nuprl - Proof: card settype 1 1

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: card settype 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)

{x:A| B(x) } ~ {x:A'| B'(x) }

By:	x':A'. B(g(x')) B'(x') Asserted

Generated subgoals:

1   x':A'. B(g(x'))  B'(x')
5 steps

2 10. x':A'. B(g(x'))  B'(x')
  {x:A| B(x) } ~ {x:A'| B'(x) }
15 steps

About:

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

1	x':A'. B(g(x')) B'(x')	5 steps
2	10. x':A'. B(g(x')) B'(x') {x:A\| B(x) } ~ {x:A'\| B'(x) }	15 steps