IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
cons iseg22 1. T : Type
2. a : T 3. b : T 4. l1 : T List
5. l2 : T List
6. l : T List
7. [b / l2] = ([a / l1] @ l)
8. [b / l2] = ([a / l1] @ l)
l:T List. l2 = (l1 @ l)
By:
ApFunToHypEquands `z' tl(z) (T List) -1 THEN Reduce -1