Nuprl - Proof: compose iter inverses 1 1 2 1 1

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At: compose iter inverses 1 1 2 1 1

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{

1}(f{

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

i-1}(g(f(f{

i-1}(x))))

By:	Rewrite by Thm* f:(AA). f{1} = f

Generated subgoals:

None

About:

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