Who Cites bi-graph-inv?
bi-graph-inv	Def inverse(l) == lnk-inv(l)
lnk-inv	Def lnk-inv(l) == <1of(2of(l)),1of(l),2of(2of(l))>
pi2	Def 2of(t) == t.2
	Thm* A:Type, B:(AType), p:(a:AB(a)). 2of(p)  B(1of(p))
pi1	Def 1of(t) == t.1
	Thm* A:Type, B:(AType), p:(a:AB(a)). 1of(p)  A

Syntax:

inverse(l)

has structure:

bi-graph-inv(G; to; from; l)

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