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Step * of Lemma pDVmsg-index_wf

∀[x:PiDataVal()]. pDVmsg-index(x) ∈ ℕ supposing ↑pDVmsg?(x)
BY
{ DatatypeSelectorWf `` pDVloc pDVloc_tag pDVguards pDVmsg pDVfire pDVcontinue pDVselex pDVrequest`` }

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Latex:

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Latex:
\mforall{}[x:PiDataVal()].  pDVmsg-index(x)  \mmember{}  \mBbbN{}  supposing  \muparrow{}pDVmsg?(x)


By

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Latex:
DatatypeSelectorWf  ``  pDVloc  pDVloc\_tag  pDVguards  pDVmsg  pDVfire  pDVcontinue  pDVselex  pDVrequest``

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