Nuprl Lemma : es-component_wf 11,40

A, B:Type{i}. es-component{i:l}(A; B)  Type{i'} 
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DefinitionsType, t  T, , x:A. B(x), AbsInterface(A), x:AB(x), ES, ComponentSpec(A;B)
Lemmasevent system wf, es-interface wf

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