Who Cites bor?
bor	Def p  q == if p true else q fi
	Thm* p,q:. (p  q)

Syntax:

p  q

has structure:

bor(p; q)

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