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Step * of Lemma comb_for_rng_nat_op_wf

λr,n,u,z. (n ⋅r u) ∈ r:Rng ⟶ n:ℕ ⟶ u:|r| ⟶ (↓True) ⟶ |r|
BY
{ ProveOpCombTyping `rng_nat_op_wf` }

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Latex:

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Latex:
\mlambda{}r,n,u,z.  (n  \mcdot{}r  u)  \mmember{}  r:Rng  {}\mrightarrow{}  n:\mBbbN{}  {}\mrightarrow{}  u:|r|  {}\mrightarrow{}  (\mdownarrow{}True)  {}\mrightarrow{}  |r|


By

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Latex:
ProveOpCombTyping  `rng\_nat\_op\_wf`

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