Nuprl Lemma : w-onlnk-wf2 11,40

the_w:World, l:IdLnk, mss:(Msg List). onlnk(l;mss ({m:Msg| mlnk(m) = l}  List) 
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Definitionst  T, x:AB(x), t.1, onlnk(l;mss), mlnk(m), , Msg(M), Msg, P  Q, P & Q, P  Q
Lemmasworld wf, IdLnk wf, w-Msg wf, assert wf, eq lnk wf, filter type, subtype rel list, assert-eq-lnk

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