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Step * of Lemma eager-append_wf

∀[T:Type]. ∀[as,bs:T List].  (eager-append(as;bs) ∈ T List)
BY
{ (Unfold `eager-append` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[as,bs:T  List].    (eager-append(as;bs)  \mmember{}  T  List)


By

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Latex:
(Unfold  `eager-append`  0  THEN  Auto)

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