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Step * of Lemma comb_for_append_wf

λT,as,bs,z. (as @ bs) ∈ T:Type ⟶ as:(T List) ⟶ bs:(T List) ⟶ (↓True) ⟶ (T List)
BY
{ (ProveOpCombinatorTyping Auto) `append_wf` }

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Latex:

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Latex:
\mlambda{}T,as,bs,z.  (as  @  bs)  \mmember{}  T:Type  {}\mrightarrow{}  as:(T  List)  {}\mrightarrow{}  bs:(T  List)  {}\mrightarrow{}  (\mdownarrow{}True)  {}\mrightarrow{}  (T  List)


By

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Latex:
(ProveOpCombinatorTyping  Auto)  `append\_wf`

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