IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
map equal1 1. T : Type
2. T' : Type
3. a : T List
4. f : TT' 5. g : TT' 6. i:. i<||a|| f(a[i]) = g(a[i])
map(f;a) = map(g;a)
By:
BackThru
Thm*a,b:T List. ||a|| = ||b|| (i:. i<||a|| a[i] = b[i]) a = b