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Step * of Lemma W-type_wf

∀[A:Type]. ∀[B:A ⟶ Type].  (W-type(A; a.B[a]) ∈ Type)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[A:Type].  \mforall{}[B:A  {}\mrightarrow{}  Type].    (W-type(A;  a.B[a])  \mmember{}  Type)


By

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Latex:
ProveWfLemma

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