Nuprl Lemma : es-state-without_wf 11,40

es:ES, ix:Id. state@i\\x  Type 
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DefinitionsES, t  T, Id, x:AB(x), vartype(i;x), Top, a = b, if b then t else f fi , state@i\\x
Lemmasifthenelse wf, eq id wf, top wf, es-vartype wf, Id wf, event system wf

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