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Step * of Lemma cubical-term-at-morph

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∀[X:j⊢]. ∀[A:{X ⊢ _}]. ∀[u:{X ⊢ _:A}]. ∀[I:fset(ℕ)]. ∀[a:X(I)]. ∀[J:fset(ℕ)]. ∀[f:J ⟶ I].
  ((u(a) a f) = u(f(a)) ∈ A(f(a)))
BY
{ PresheafMLTTInstance Obid: presheaf-term-at-morph⋅ }

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Latex:

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Latex:
No  Annotations
\mforall{}[X:j\mvdash{}].  \mforall{}[A:\{X  \mvdash{}  \_\}].  \mforall{}[u:\{X  \mvdash{}  \_:A\}].  \mforall{}[I:fset(\mBbbN{})].  \mforall{}[a:X(I)].  \mforall{}[J:fset(\mBbbN{})].  \mforall{}[f:J  {}\mrightarrow{}  I].
    ((u(a)  a  f)  =  u(f(a)))


By

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Latex:
PresheafMLTTInstance  Obid:  presheaf-term-at-morph\mcdot{}

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