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Step * of Lemma fastexp_wf

∀[i:ℤ]. ∀[n:ℕ].  (i^n ∈ ℤ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[i:\mBbbZ{}].  \mforall{}[n:\mBbbN{}].    (i\^{}n  \mmember{}  \mBbbZ{})


By

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Latex:
ProveWfLemma

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