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Step * of Lemma rational-lower-approx_wf

∀[x:ℕ+ ⟶ ℤ]. ∀[n:ℕ+].  ((below x within 1/n) ∈ ℝ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[x:\mBbbN{}\msupplus{}  {}\mrightarrow{}  \mBbbZ{}].  \mforall{}[n:\mBbbN{}\msupplus{}].    ((below  x  within  1/n)  \mmember{}  \mBbbR{})


By

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Latex:
ProveWfLemma

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