IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
l tricotomy11 1. T : Type
2. x : T 3. y : T 4. L : T List
5. i1 :
6. i1<||L||
7. x = L[i1]
8. i :
9. i<||L||
10. y = L[i]
11. i1<i [x; y] L
By:
Unfold `sublist` 0 THEN Reduce 0 THEN InstConcl [j.if j=0 i1 else i fi]
THEN
Reduce 0
THEN
Try (Unfold `increasing` 0 THEN Reduce 0)
THEN
Repeat SplitOnConclITE