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Step * of Lemma atan_approx_wf

∀[a:{2...}]. ∀[x:ℝ]. ∀[N:ℕ+].  (atan_approx(a;x;N) ∈ ℤ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[a:\{2...\}].  \mforall{}[x:\mBbbR{}].  \mforall{}[N:\mBbbN{}\msupplus{}].    (atan\_approx(a;x;N)  \mmember{}  \mBbbZ{})


By

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Latex:
ProveWfLemma

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