Who Cites rat?
rat	Def  ==
	Thm*   Type
nat_plus	Def  == {i:| 0<i }
	Thm*   Type

Syntax:

has structure:

rat

About: IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html