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Step * of Lemma RankEx1_ProdR_wf

∀[T:Type]. ∀[prodr:RankEx1(T) × T].  (RankEx1_ProdR(prodr) ∈ RankEx1(T))
BY
{ DepprodCoDatatypeConstructorWf `RankEx1_size` }

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Latex:


\mforall{}[T:Type].  \mforall{}[prodr:RankEx1(T)  \mtimes{}  T].    (RankEx1\_ProdR(prodr)  \mmember{}  RankEx1(T))


By

DepprodCoDatatypeConstructorWf  `RankEx1\_size`

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