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Step * of Lemma comb_for_nth_tl_wf

λA,as,i,z. nth_tl(i;as) ∈ A:Type ⟶ as:(A List) ⟶ i:ℤ ⟶ (↓True) ⟶ (A List)
BY
{ (ProveOpCombinatorTyping Auto{1,3}-1) `nth_tl_wf` }

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Latex:

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Latex:
\mlambda{}A,as,i,z.  nth\_tl(i;as)  \mmember{}  A:Type  {}\mrightarrow{}  as:(A  List)  {}\mrightarrow{}  i:\mBbbZ{}  {}\mrightarrow{}  (\mdownarrow{}True)  {}\mrightarrow{}  (A  List)


By

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Latex:
(ProveOpCombinatorTyping  Auto\{1,3\}-1)  `nth\_tl\_wf`

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