IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
decidable divides
1
2
2
1. a :
2. b :
3.
a = 0
(b rem a) = 0 
a | b
Generated subgoal:
1 |
a | b  (b rem a) = 0
 | 1 step |
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html