IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
sum difference11 1. n : 2. f : n 3. g : n 4. d : 5. sum(f(x)-g(x) | x < n) = d sum(f(x) | x < n) = sum(g(x)+f(x)-g(x) | x < n)
By:
BackThru
Thm*n:, f,g:(n).
Thm* (i:n. f(i) = g(i)) sum(f(x) | x < n) = sum(g(x) | x < n)
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html