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Step * of Lemma bst_node_wf

∀[E:Type]. ∀[left:bs_tree(E)]. ∀[value:E]. ∀[right:bs_tree(E)].  (bst_node(left;value;right) ∈ bs_tree(E))
BY
{ DepprodCoDatatypeConstructorWf `bs_tree_size` }

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Latex:

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Latex:
\mforall{}[E:Type].  \mforall{}[left:bs\_tree(E)].  \mforall{}[value:E].  \mforall{}[right:bs\_tree(E)].
    (bst\_node(left;value;right)  \mmember{}  bs\_tree(E))


By

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Latex:
DepprodCoDatatypeConstructorWf  `bs\_tree\_size`

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