IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
sum via intseg split pluck1 is_ident(; (x,y. x+y); 0)
By:
Analyze THEN Reduce Concl
Generated subgoal:
1
1. x : 0+x = x & x+0 = x
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About:
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
is_ident(
; (
x,y. x+y); 0)
