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Step * of Lemma RankEx1_Leaf-leaf_wf

∀[T:Type]. ∀[v:RankEx1(T)].  RankEx1_Leaf-leaf(v) ∈ T supposing ↑RankEx1_Leaf?(v)
BY
{ DepprodCoDatatypeSelectorWf }

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Latex:


\mforall{}[T:Type].  \mforall{}[v:RankEx1(T)].    RankEx1\_Leaf-leaf(v)  \mmember{}  T  supposing  \muparrow{}RankEx1\_Leaf?(v)


By

DepprodCoDatatypeSelectorWf

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