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Step * of Lemma copath-at_wf

∀[A:𝕌']. ∀[B:A ⟶ Type]. ∀[w:coW(A;a.B[a])]. ∀[p:copath(a.B[a];w)].  (copath-at(w;p) ∈ coW(A;a.B[a]))
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[A:\mBbbU{}'].  \mforall{}[B:A  {}\mrightarrow{}  Type].  \mforall{}[w:coW(A;a.B[a])].  \mforall{}[p:copath(a.B[a];w)].
    (copath-at(w;p)  \mmember{}  coW(A;a.B[a]))


By

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Latex:
ProveWfLemma

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