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Step * of Lemma comb_for_rng_when_wf

λr,b,p,z. (when b. p) ∈ r:Rng ⟶ b:𝔹 ⟶ p:|r| ⟶ (↓True) ⟶ |r|
BY
{ ProveOpCombTyping `rng_when_wf` }

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Latex:

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Latex:
\mlambda{}r,b,p,z.  (when  b.  p)  \mmember{}  r:Rng  {}\mrightarrow{}  b:\mBbbB{}  {}\mrightarrow{}  p:|r|  {}\mrightarrow{}  (\mdownarrow{}True)  {}\mrightarrow{}  |r|


By

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Latex:
ProveOpCombTyping  `rng\_when\_wf`

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