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Step * of Lemma DVp_Null?_wf

∀[v:C_DVALUEp()]. (DVp_Null?(v) ∈ 𝔹)
BY
{ DepprodCoDatatypeRecognizerWf }

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Latex:


\mforall{}[v:C\_DVALUEp()].  (DVp\_Null?(v)  \mmember{}  \mBbbB{})


By

DepprodCoDatatypeRecognizerWf

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