Who Cites rev bimplies?
rev_bimplies	Def pq == qp
	Thm* p,q:. (pq)
bimplies	Def pq == p  q
	Thm* p,q:. pq
bnot	Def b == if b false else true fi
	Thm* b:. b
bor	Def p  q == if p true else q fi
	Thm* p,q:. (p  q)

Syntax:

pq

has structure:

rev_bimplies(p; q)

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