IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
sum switch11 1. n : 2. f : n 3. i : (n-1)
4. (i, i+1) nn sum(f((i, i+1)(x)) | x < n)
=
sum(f((i, i+1)(x)) | x < i)+sum(f((i, i+1)(x+i)) | x < n-i)
By:
BackThru
Thm*n:, f:(n), m:(n+1).
Thm* sum(f(x) | x < n) = sum(f(x) | x < m)+sum(f(x+m) | x < n-m)
THEN
Try (Complete Auto)
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html