IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
prod zero iff factor zero
1
1. a : 
2. b :
a
b = 0 
a = 0 
b = 0
Generated subgoals:
| 1 |
3. ab = 0
a = 0 b = 0
 | 1 step |
| 2 |
3. a = 0 b = 0
ab = 0
| 1 step |
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
