Nuprl - Proof: compose iter pos2 1 2

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At: compose iter pos2 1 2

1. A : Type
2. f : A

A
3. i :

4. x : A

i}(x) = f{

i-1}(f{

1}(x))

By:	BackThru: Thm* x:A, f:(AA), i,j,k:. k = i+j f{i}(f{j}(x)) = f{k}(x)

Generated subgoals:

None

About:

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