IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
card pi1111 1. A : Type
2. A' : Type
3. B : AType
4. B' : A'Type
5. f : AA' 6. g : A'A 7. F : x:AB(x)B'(f(x))
8. G : x:AB'(f(x))B(x)
9. InvFuns(A;A';f;g)
10. u:A. InvFuns(B(u);B'(f(u));F(u);G(u))
11. e : x:AB(x)
12. x : A 13. g(f(x)) = x 14. B'(f(g(f(x)))) = B'(f(x))
G(x,F(x,e(x))) = e(x)
By:
BackThru: Hyp:10
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html