Nuprl - Proof: fun exp add sq 2 1

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At: fun exp add sq 2 1

1. n :

2. 0<n
3.

, f,i:Top. (f^n-1+m(i)) ~ (f^n-1(f^m(i)))
4. m :

5. f : Top
6. i : Top

(f^n+m(i)) ~ (f^n(f^m(i)))

By:	Subst (n ~ (n-1+1)) 0 THENL [Auto;Id] THEN Subst ((n-1+1+m) ~ (n-1+m+1)) 0 THENL [Auto;Id]

Generated subgoal:

1 (f^n-1+m+1(i)) ~ (f^n-1+1(f^m(i)))
5 steps

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