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Step * of Lemma comb_for_iseg_wf

λT,l1,l2,z. l1 ≤ l2 ∈ T:Type ⟶ l1:(T List) ⟶ l2:(T List) ⟶ (↓True) ⟶ ℙ
BY
{ (ProveOpCombinatorTyping Auto) `iseg_wf` }

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Latex:

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Latex:
\mlambda{}T,l1,l2,z.  l1  \mleq{}  l2  \mmember{}  T:Type  {}\mrightarrow{}  l1:(T  List)  {}\mrightarrow{}  l2:(T  List)  {}\mrightarrow{}  (\mdownarrow{}True)  {}\mrightarrow{}  \mBbbP{}


By

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Latex:
(ProveOpCombinatorTyping  Auto)  `iseg\_wf`

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