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Step * of Lemma dl-and-1_wf

∀[x:Prop]. dl-and-1(x) ∈ Prop supposing ↑dl-and?(x)
BY
{ MrecSelectorWf dlElim }

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Latex:

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Latex:
\mforall{}[x:Prop].  dl-and-1(x)  \mmember{}  Prop  supposing  \muparrow{}dl-and?(x)


By

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Latex:
MrecSelectorWf  dlElim

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