Step
*
of Lemma
bst_leaf-value_wf
∀[E:Type]. ∀[v:bs_tree(E)].  bst_leaf-value(v) ∈ E supposing ↑bst_leaf?(v)
BY
{ DepprodCoDatatypeSelectorWf }
Latex:
Latex:
\mforall{}[E:Type].  \mforall{}[v:bs\_tree(E)].    bst\_leaf-value(v)  \mmember{}  E  supposing  \muparrow{}bst\_leaf?(v)
By
Latex:
DepprodCoDatatypeSelectorWf
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