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Step * of Lemma bst_node-value_wf

∀[E:Type]. ∀[v:bs_tree(E)].  bst_node-value(v) ∈ E supposing ↑bst_node?(v)
BY
{ DepprodCoDatatypeSelectorWf }

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Latex:

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Latex:
\mforall{}[E:Type].  \mforall{}[v:bs\_tree(E)].    bst\_node-value(v)  \mmember{}  E  supposing  \muparrow{}bst\_node?(v)


By

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Latex:
DepprodCoDatatypeSelectorWf

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