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Step * of Lemma bdd-diff_wf

∀[f,g:ℕ+ ⟶ ℤ].  (bdd-diff(f;g) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[f,g:\mBbbN{}\msupplus{}  {}\mrightarrow{}  \mBbbZ{}].    (bdd-diff(f;g)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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