Step
*
of Lemma
MMTree_Leaf-val_wf
∀[T:Type]. ∀[v:MMTree(T)].  MMTree_Leaf-val(v) ∈ T supposing ↑MMTree_Leaf?(v)
BY
{ DepprodCoDatatypeSelectorWf }
Latex:
\mforall{}[T:Type].  \mforall{}[v:MMTree(T)].    MMTree\_Leaf-val(v)  \mmember{}  T  supposing  \muparrow{}MMTree\_Leaf?(v)
By
DepprodCoDatatypeSelectorWf
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