IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
split factor2 chara1 1. k : {2...}
2. g : {2..k}
3. x : {2..k}
4. y : {2..k}
5. xy<k 6. x<y 7. x<xy & y<xy {2..k}(g) = {2..k}(split_factor2(g; x; y))
& split_factor2(g; x; y)(xy) = 0
& (u:{2..k}. xy<u split_factor2(g; x; y)(u) = g(u))