Who Cites bor?
bor	Def p  q == if p true else q fi
	Thm* p,q:. (p  q)
btrue	Def true == inl()
	Thm* true
ifthenelse	Def if b t else f fi == InjCase(b ; t; f)
	Thm* b:, A:Type, p,q:A. if b p else q fi  A

Syntax:

p  q

has structure:

bor(p; q)

About: IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html