Some definitions of interest.
d-es	Def es is an event system of D Def == w:World, p:FairFifo. PossibleWorld(D;w) & es = ES(w)  ES
d-sub	Def D1  D2 == i:Id. M(i)  M(i)
dsys	Def Dsys == IdMsgA
	Thm* Dsys  Type{i'}
event_system	Def ES Def == E:Type Def == EqDecider(E)(T:IdIdType Def == EqDecider(E)(V:IdIdType Def == EqDecider(E)(M:IdLnkIdType Def == EqDecider(E)(Top(loc:EId Def == EqDecider(E)(Top(kind:EKnd Def == EqDecider(E)(Top(val:(e:Eeventtype(kind;loc;V;M;e)) Def == EqDecider(E)(Top(when:(x:Ide:ET(loc(e),x)) Def == EqDecider(E)(Top(after:(x:Ide:ET(loc(e),x)) Def == EqDecider(E)(Top(sends:(l:IdLnkE(Msg_sub(l; M) List)) Def == EqDecider(E)(Top(sender:{e:E| isrcv(kind(e)) }E Def == EqDecider(E)(Top(index:(e:{e:E| isrcv(kind(e)) }||sends Def == EqDecider(E)(Top(index:(e:{e:E| isrcv(kind(e)) }||(lnk(kind(e)) Def == EqDecider(E)(Top(index:(e:{e:E| isrcv(kind(e)) }||,sender(e))||) Def == EqDecider(E)(Top(first:E Def == EqDecider(E)(Top(pred:{e':E| (first(e')) }E Def == EqDecider(E)(Top(causl:EEProp Def == EqDecider(E)(Top(ESAxioms{i:l} Def == EqDecider(E)(Top(ESAxioms(E; Def == EqDecider(E)(Top(ESAxioms(T; Def == EqDecider(E)(Top(ESAxioms(M; Def == EqDecider(E)(Top(ESAxioms(loc; Def == EqDecider(E)(Top(ESAxioms(kind; Def == EqDecider(E)(Top(ESAxioms(val; Def == EqDecider(E)(Top(ESAxioms(when; Def == EqDecider(E)(Top(ESAxioms(after; Def == EqDecider(E)(Top(ESAxioms(sends; Def == EqDecider(E)(Top(ESAxioms(sender; Def == EqDecider(E)(Top(ESAxioms(index; Def == EqDecider(E)(Top(ESAxioms(first; Def == EqDecider(E)(Top(ESAxioms(pred; Def == EqDecider(E)(Top(ESAxioms(causl) Def == EqDecider(E)(Top(Top))
	Thm* ES  Type{i'}
possible-world	Def PossibleWorld(D;w) Def == FairFifo Def == & (i,x:Id. vartype(i;x) r M(i).ds(x)) Def == & & (i:Id, a:Action(i). Def == & & (isnull(a)  (valtype(i;a) r M(i).da(kind(a)))) Def == & & (l:IdLnk, tg:Id. (w.M(l,tg)) r M(source(l)).da(rcv(l; tg))) Def == & & (i,x:Id. M(i).init(x,s(i;0).x)) Def == & & (i:Id, t:. Def == & & (isnull(a(i;t)) Def == & & ( Def == & & ((islocal(kind(a(i;t))) Def == & & (( Def == & & ((M(i).pre(act(kind(a(i;t))),x.s(i;t).x,val(a(i;t)))) Def == & & (& (x:Id.  Def == & & (& (M(i).ef(kind(a(i;t)),x,x.s(i;t).x,val(a(i;t)),s(i;t+1).x)) Def == & & (& (l:IdLnk.  Def == & & (& (M(i).send(kind(a(i;t));l;x. Def == & & (& (s(i;t).x;val(a(i;t));withlnk(l;m(i;t));i)) Def == & & (& (x:Id.  Def == & & (& (M(i).frame(kind(a(i;t)) affects x) Def == & & (& ( Def == & & (& (s(i;t).x = s(i;t+1).x  M(i).ds(x)) Def == & & (& (l:IdLnk, tg:Id. Def == & & (& (M(i).sframe(kind(a(i;t)) sends <l,tg>) Def == & & (& ( Def == & & (& (w-tagged(tg; onlnk(l;m(i;t))) = nil  Msg List)) Def == & & (i,a:Id, t:. Def == & & (t':.  Def == & & (tt' Def == & & (& isnull(a(i;t')) & kind(a(i;t')) = locl(a) Def == & & (&  a declared in M(i) Def == & & (&  unsolvable M(i).pre(a,x.s(i;t').x))
fair-fifo	Def FairFifo Def == (i:Id, t:, l:IdLnk. source(l) = i  onlnk(l;m(i;t)) = nil  Msg List) Def == & (i:Id, t:. Def == & (isnull(a(i;t)) Def == & ( Def == & ((x:Id. s(i;t+1).x = s(i;t).x  vartype(i;x)) Def == & (& m(i;t) = nil  Msg List) Def == & (i:Id, t:, l:IdLnk. Def == & (isrcv(l;a(i;t)) Def == & ( Def == & (destination(l) = i Def == & (& ||queue(l;t)||1 & hd(queue(l;t)) = msg(a(i;t))  Msg) Def == & (l:IdLnk, t:. Def == & (t':.  Def == & (tt' & isrcv(l;a(destination(l);t'))  queue(l;t') = nil  Msg List)
w-es	Def ES(the_w;p) Def == <E Def == ,product-deq(Id;;IdDeq;NatDeq) Def == ,(i,x. vartype(i;x)) Def == ,(i,a. V(i;locl(a))) Def == ,the_w.M Def == , Def == ,(e.loc(e)) Def == ,(e.kind(e)) Def == ,(e.val(e)) Def == ,(x,e. (x when e)) Def == ,(x,e. (x after e)) Def == ,(l,e. sends(l;e)) Def == ,(e.sender(e)) Def == ,(e.index(e)) Def == ,(e.first(e)) Def == ,(e.pred(e)) Def == ,(e,e'. e <c e') Def == ,world_DASH_event_DASH_system{1:l, i:l}(the_w,p) Def == ,>
world	Def World Def == T:IdIdType Def == TA:IdIdType Def == M:IdLnkIdType Def == (i:Id(x:IdT(i,x)))(i:Idaction(w-action-dec(TA;M;i))) Def == (i:Id({m:Msg(M)| source(mlnk(m)) = i } List))Top
	Thm* World  Type{i'}

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