Nuprl - Proof: compose iter inverses 1 1 2 2

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: compose iter inverses 1 1 2 2

1. A : Type
2. f : A

A
3. g : A

A
4. InvFuns(A;A;f;g)
5. x : A
6. i :

7. 0<i
8. g{

i-1}(f{

i-1}(x)) = x

i-1}(g(f(f{

i-1}(x)))) = x

By:	Analyze4 THEN Rewrite by x:A. g(f(x)) = x

Generated subgoals:

None

About:

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