is mentioned by

Thm* the_w:World, e,e':E. FairFifo  e <c e'  time(e)<time(e')	[w-causl-time]
Thm* the_w:World, e:E, t:. Thm* FairFifo Thm*  Thm* isrcv(kind(e)) Thm*  Thm* match(lnk(kind(e));t;time(e)) Thm*  Thm* onlnk(lnk(kind(e));m(source(lnk(kind(e)));t))[(||rcvs(lnk(kind(e));time(e))|| Thm* -||snds(lnk(kind(e));t)||)] Thm* = Thm* msg(a(loc(e);time(e))) Thm*  Msg	[w-match-property]
Thm* the_w:World, e:E, t,t':. Thm* FairFifo Thm*  Thm* isrcv(kind(e)) Thm*  Thm* match(lnk(kind(e));t;time(e))  match(lnk(kind(e));t';time(e))  t = t'	[w-match-unique]
Thm* the_w:World, e:E. Thm* FairFifo Thm*  Thm* isrcv(kind(e)) Thm*  Thm* (t:time(e).  Thm* (match(lnk(kind(e));t;time(e)) Thm* (& onlnk(lnk(kind(e));m(source(lnk(kind(e)));t))[(||rcvs(lnk(kind(e));time(e))|| Thm* (& -||snds(lnk(kind(e));t)||)] Thm* (& = Thm* (& msg(a(loc(e);time(e))) Thm* (&  Msg)	[better-w-match-exists]
Thm* the_w:World, e:E. Thm* FairFifo  isrcv(kind(e))  (t:time(e). match(lnk(kind(e));t;time(e)))	[w-match-exists]
Thm* the_w:World, e:E. <loc(e),time(e)> ~ e	[w-loc-time]
Thm* the_w:World, e:E. first(e)  (t':. t'<time(e)  isnull(a(loc(e);t')))	[assert-w-first]
Def index(e) Def == ||rcvs(lnk(kind(e));time(e))||-||snds(lnk(kind(e));time(sender(e)))||	[w-index]
Def sender(e) == <source(lnk(kind(e))),mu(t.match(lnk(kind(e));t;time(e)))>	[w-sender]
Def sends(l;e) == onlnk(l;m(loc(e);time(e)))	[w-sends]
Def e <loc e' == loc(e) = loc(e')  Id & time(e)<time(e')	[w-locl]
Def pred(e) Def == if isnull(a(loc(e);time(e)-1)) pred(<loc(e),time(e)-1>) Def == else <loc(e),time(e)-1> fi Def (recursive)	[w-pred]
Def first(e) Def == if time(e)=0 true Def == i; isnull(a(loc(e);time(e)-1)) first(<loc(e),time(e)-1>) Def == else false fi Def (recursive)	[w-first]

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