IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
mul cancel in eq
2
1. a :
2. b :
3.
n:
. n
a = n
b 
a = b
4. n : 

5. n
a = n
b
a = b
Generated subgoals:
1 |
6. 0<n
a = b
 | 1 step |
2 |
6. 0<n
a = b
 | 1 step |
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html