IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
prop to bool 2 char
P:Prop{2}. (
P) 
P
Generated subgoal:
| 1 |
1. P : Prop{2}
( P)  P
 | 5 steps |
About:
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html