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Step * of Lemma pcw-pp-null_wf

∀[P:Type]. ∀[A:P ⟶ Type]. ∀[B:p:P ⟶ A[p] ⟶ Type]. ∀[C:p:P ⟶ a:A[p] ⟶ B[p;a] ⟶ P]. ∀[pp:PartialPath].
  (pcw-pp-null(pp) ∈ 𝔹)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[P:Type].  \mforall{}[A:P  {}\mrightarrow{}  Type].  \mforall{}[B:p:P  {}\mrightarrow{}  A[p]  {}\mrightarrow{}  Type].  \mforall{}[C:p:P  {}\mrightarrow{}  a:A[p]  {}\mrightarrow{}  B[p;a]  {}\mrightarrow{}  P].
\mforall{}[pp:PartialPath].
    (pcw-pp-null(pp)  \mmember{}  \mBbbB{})


By

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Latex:
ProveWfLemma

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