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Step * of Lemma exp_wf4

∀[n,v:ℕ].  (v^n ∈ ℕ)
BY
{ (InductionOnNat THEN Unfold `exp` 0 THEN Reduce 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[n,v:\mBbbN{}].    (v\^{}n  \mmember{}  \mBbbN{})


By

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Latex:
(InductionOnNat  THEN  Unfold  `exp`  0  THEN  Reduce  0  THEN  Auto)

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