Def IdLnk == IdId

is mentioned by

Thm* a:Id, l:IdLnk, tg:Id. locl(a) = rcv(l; tg)  False	[not_locl_rcv]
Thm* a:Id, l:IdLnk, tg:Id. rcv(l; tg) = locl(a)  False	[not_rcv_locl]
Thm* l:IdLnk. lnk-inv(lnk-inv(l)) = l  IdLnk	[lnk-inv-inv]
Thm* SQType(IdLnk)	[IdLnk_sq]
Def Knd == (IdLnkId)+Id	[Knd]
Def haslink(l; m) == mlnk(m) = l	[haslink]
Def Msg(M) == l:IdLnkt:IdM(l,t)	[Msg]

Try larger context: EventSystems IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html