IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
hnull char 'a:S. and(null(nil),all(h:'a. all(t:hlist('a). not(null(cons(h,t))))))
By:
HOL "hnull_char"
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html