IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
decidable l member A:Type, x:A. (x,y:A. Dec(x = y)) (L:A List. Dec((xL)))
By:
InductionOnList
THEN
Try (RWO Thm*l:T List, a,x:T. (x [a / l]) x = a (xl) 0)
THEN
Try (RWO Thm*x:T. (x nil) False 0)
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