Nuprl Lemma : es-locl_transitivity 11,40

es:event_system{i:l}, a,b,c:es-E(es).
es-locl(esab es-locl(esbc es-locl(esac
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Definitionst  T, P  Q, x:AB(x), trans(Tx,y.E(x;y)), event_system{i:l}, es-E(es), es-locl(esee')
Lemmases-locl wf, es-E wf, event system wf, es-locl-trans

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