Step
*
of Lemma
DVp_Struct-struct_wf
∀[v:C_DVALUEp()]. DVp_Struct-struct(v) ∈ {a:Atom| (a ∈ DVp_Struct-lbls(v))}  ─→ C_DVALUEp() supposing ↑DVp_Struct?(v)
BY
{ DepprodCoDatatypeSelectorWf }
Latex:
\mforall{}[v:C\_DVALUEp()].  DVp\_Struct-struct(v)  \mmember{}  \{a:Atom|  (a  \mmember{}  DVp\_Struct-lbls(v))\}    {}\mrightarrow{}  C\_DVALUEp()  supposin\000Cg  \muparrow{}DVp\_Struct?(v)
By
DepprodCoDatatypeSelectorWf
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