IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
sum switch1222 1. n : 2. f : n 3. i : (n-1)
4. (i, i+1) nn sum(f(x) | x < i)+sum(f(x+i) | x < n-i) = sum(f(x) | x < n)
By:
RWO "sum_split<" 0
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html