Nuprl Lemma : alle-between3_wf 11,40

es:event_system{i:l}, e1,e2:es-E(es), P:({e:es-E(es)| 
es:event_system{i:l}, e1,e2:es-E(es), P:({(loc(e) = loc(e1 Id)  ((es-first(ese)))} 
es:event_system{i:l}, e1,e2:es-E(es), P:(prop{i:l}).
(loc(e2) = loc(e1 Id)  (e(e1,e2].P(e prop{i:l}) 
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Definitionsguard(T), sq_type(T), A c B, P  Q, es-le(esee'), es-locl(esee'), x(s), e(e1,e2].P(e), t  T, P  Q, prop{i:l}, P  Q, x:AB(x), P  Q
Lemmasevent system wf, es-E wf, es-first wf, assert wf, not wf, es-locl-iff, es-le-loc, Id sq, es-locl wf, es-causl wf, es-loc wf, Id wf

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