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Step * of Lemma comb_for_rng_sum_wf

λr,p,q,E,z. (Σ(r) p ≤ i < q. E[i]) ∈ r:Rng ⟶ p:ℤ ⟶ q:ℤ ⟶ E:({p..q-} ⟶ |r|) ⟶ (↓True) ⟶ |r|
BY
{ ProveOpCombTyping `rng_sum_wf` }

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Latex:

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Latex:
\mlambda{}r,p,q,E,z.  (\mSigma{}(r)  p  \mleq{}  i  <  q.  E[i])  \mmember{}  r:Rng  {}\mrightarrow{}  p:\mBbbZ{}  {}\mrightarrow{}  q:\mBbbZ{}  {}\mrightarrow{}  E:(\{p..q\msupminus{}\}  {}\mrightarrow{}  |r|)  {}\mrightarrow{}  (\mdownarrow{}True)  {}\mrightarrow{}  |r|


By

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Latex:
ProveOpCombTyping  `rng\_sum\_wf`

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