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Step * of Lemma RankEx2_Prod_wf

∀[S,T:Type]. ∀[prod:RankEx2(S;T) × S × T].  (RankEx2_Prod(prod) ∈ RankEx2(S;T))
BY
{ DepprodCoDatatypeConstructorWf `RankEx2_size` }

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Latex:


\mforall{}[S,T:Type].  \mforall{}[prod:RankEx2(S;T)  \mtimes{}  S  \mtimes{}  T].    (RankEx2\_Prod(prod)  \mmember{}  RankEx2(S;T))


By

DepprodCoDatatypeConstructorWf  `RankEx2\_size`

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