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Step * of Lemma merge_wf

∀[T:Type]. ∀[as,bs:T List].  (merge(as;bs) ∈ T List) supposing T ⊆r ℤ
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[as,bs:T  List].    (merge(as;bs)  \mmember{}  T  List)  supposing  T  \msubseteq{}r  \mBbbZ{}


By

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Latex:
ProveWfLemma

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