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Step * of Lemma log_wf

∀[b:{i:ℤ| 1 < i} ]. ∀[x:ℤ].  (log(b;x) ∈ ℕ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[b:\{i:\mBbbZ{}|  1  <  i\}  ].  \mforall{}[x:\mBbbZ{}].    (log(b;x)  \mmember{}  \mBbbN{})


By

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Latex:
ProveWfLemma

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