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Step * of Lemma class-le-before_wf

∀[Info,T:Type]. ∀[X:EClass(T)]. ∀[es:EO+(Info)]. ∀[e:E].  (class-le-before(X;es;e) ∈ bag(T))
BY
{ ((Unfold `eclass` 0 THEN ProveWfLemma) THEN GenConcl ⌜≤loc(e) = B ∈ bag(E)⌝⋅ THEN Auto) }

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Latex:

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Latex:
\mforall{}[Info,T:Type].  \mforall{}[X:EClass(T)].  \mforall{}[es:EO+(Info)].  \mforall{}[e:E].    (class-le-before(X;es;e)  \mmember{}  bag(T))


By

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Latex:
((Unfold  `eclass`  0  THEN  ProveWfLemma)  THEN  GenConcl  \mkleeneopen{}\mleq{}loc(e)  =  B\mkleeneclose{}\mcdot{}  THEN  Auto)

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