Some definitions of interest.
msga	Def MsgA Def == ds:x:Id fp-> Type Def == da:a:Knd fp-> Type Def == x:Id fp-> ds(x)?Voida:Id fp-> State(ds)ma-valtype(da; locl(a))Prop Def == kx:KndId fp-> State(ds)ma-valtype(da; 1of(kx))ds(2of(kx))?Void Def == kl:KndIdLnk fp-> (tg:Id Def == kl:KndIdLnk fp-> (State(ds)ma-valtype(da; 1of(kl)) Def == kl:KndIdLnk fp-> ((da(rcv(2of(kl); tg))?Void List)) List Def == x:Id fp-> Knd Listltg:IdLnkId fp-> Knd ListTop
	Thm* MsgA  Type{i'}
send-once	Def send-once(loc;T;A;a;f;tg;l;x) Def == [(once(loc;a;source(l)));  Def == [if loc = source(l) Def == [if ma-single-sends1(A; Unit; T; x; locl(a); l; tg; (a,b. [(f(a))])) Def == [else  fi]
IdLnk	Def IdLnk == IdId
	Thm* IdLnk  Type
Id	Def Id == Atom
	Thm* Id  Type
mkid	Def x_n == <x,n>
	Thm* x:Atom, n:. x_n  Id
not	Def A == A  False
	Thm* A:Prop. (A)  Prop

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