IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
mul bounds 1b
a,b:
. 0<a
b
Generated subgoal:
| 1 |
1. a : 
2. b : 
0<a b
 | 2 steps |
About:
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html