IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
w-act-not-null the_w:World, e:E. isnull(act(e))
By:
Auto THEN GenConcl (act(e) = a) THEN Analyze -2
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
the_w:World, e:E. 
isnull(act(e))
