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Step * of Lemma b-exists_wf

∀[n:ℕ]. ∀[P:ℕn ⟶ 𝔹].  ((∃i<n.P[i])_b ∈ 𝔹)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[n:\mBbbN{}].  \mforall{}[P:\mBbbN{}n  {}\mrightarrow{}  \mBbbB{}].    ((\mexists{}i<n.P[i])\_b  \mmember{}  \mBbbB{})


By

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Latex:
ProveWfLemma

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