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Step * of Lemma RankEx2_LeafS-leafs_wf

∀[S,T:Type]. ∀[v:RankEx2(S;T)].  RankEx2_LeafS-leafs(v) ∈ S supposing ↑RankEx2_LeafS?(v)
BY
{ DepprodCoDatatypeSelectorWf }

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Latex:


\mforall{}[S,T:Type].  \mforall{}[v:RankEx2(S;T)].    RankEx2\_LeafS-leafs(v)  \mmember{}  S  supposing  \muparrow{}RankEx2\_LeafS?(v)


By

DepprodCoDatatypeSelectorWf

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