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Step * of Lemma pDVguards-preList_wf

∀[x:PiDataVal()]. pDVguards-preList(x) ∈ pi_prefix() List supposing ↑pDVguards?(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()].  pDVguards-preList(x)  \mmember{}  pi\_prefix()  List  supposing  \muparrow{}pDVguards?(x)


By

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

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