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Step * of Lemma RankEx1_ProdL_wf

∀[T:Type]. ∀[prodl:T × RankEx1(T)].  (RankEx1_ProdL(prodl) ∈ RankEx1(T))
BY
{ DepprodCoDatatypeConstructorWf `RankEx1_size` }

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Latex:


\mforall{}[T:Type].  \mforall{}[prodl:T  \mtimes{}  RankEx1(T)].    (RankEx1\_ProdL(prodl)  \mmember{}  RankEx1(T))


By

DepprodCoDatatypeConstructorWf  `RankEx1\_size`

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