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Step * of Lemma RankEx2_LeafT-leaft_wf

∀[S,T:Type]. ∀[v:RankEx2(S;T)].  RankEx2_LeafT-leaft(v) ∈ T supposing ↑RankEx2_LeafT?(v)
BY
{ DepprodCoDatatypeSelectorWf }

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Latex:


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


By

DepprodCoDatatypeSelectorWf

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