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Step * of Lemma RankEx2_Prod?_wf

∀[S,T:Type]. ∀[v:RankEx2(S;T)].  (RankEx2_Prod?(v) ∈ 𝔹)
BY
{ DepprodCoDatatypeRecognizerWf }

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Latex:

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Latex:
\mforall{}[S,T:Type].  \mforall{}[v:RankEx2(S;T)].    (RankEx2\_Prod?(v)  \mmember{}  \mBbbB{})


By

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Latex:
DepprodCoDatatypeRecognizerWf

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